cambay basin nelp vii
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CAMBAY BASIN
1. BASIN AREA 53,500 Sq. Km. (including 2,500 Sq. Km. in the Gulf of Cambay)
1.1 BASIN LOCATION MAP Refer Sedimentary Basin Map of India in Notice Inviting Offers (NIO)
2. EXISTING DATA BASE 2.1 SEISMIC DATA 2D 104,113 LKM 3D 7,895 Sq Km. 2.2 OTHER SURVEYS GM Survey 12,937 Stations 2.3 WELL DATA Exploratory Wells > 2318 Hydrocarbon Discoveries / Fields
> 97 Oil & Gas Fields (including 2 Giants)
3. BLOCKS ON OFFER 11 Blocks (Onland)
CB-ONN-2005/1
CB-ONN-2005/2
CB-ONN-2005/3
CB-ONN-2005/4
CB-ONN-2005/5
CB-ONN-2005/6
CB-ONN-2005/7
CB-ONN-2005/8
CB-ONN-2005/9
CB-ONN-2005/10
CB-ONN-2005/11
4. BASIN TYPE Intracratonic Rift Basin
5. PROVEN SEDIMENTARY SECTION
Age Range Thickness (m)
Paleocene to Recent ~7000 m 5.1 GENERALISED STRATIGRAPHIC SEQUENCE
6. PETROLEUM GEOLOGY
EXPECTED RESERVOIR ROCKS ● Sandstones in Eocene to Miocene ● Conglomerates, sandstones, siltstones and weathered trap in Paleocene
EXPECTED SOURCE ROCKS Paleocene to Eocene shales
EXPECTED CAP ROCKS Intra-formational shales
AREA
AGE
SUB-SURFACE
SERAU-THARADBLOCK
GUJARAT ALLUVIUMRECENTTO
PLEISTOCENE BUDHANPURFORM ATION
PLIOCENEUP.
MIOCENEANTROL
FORM ATIONDHIM A
FORM ATIONMID.
MIOCENE
LR. MIOCENE
DEODAR FORMATION
OLIGOCENE
TARAPUR SHALE
MID.EOCENE
LR. EOCENE
PALEOCENE
LOWERCRETACEOUSTO JURASSIC
ARCHEAN GRANIT E
SERAUFORMATION
SUB-SURFACEMEHSANA-
AHMEDABAD-DHOLKA BLOCK
CAM BAY-TARAPUR BL OCK
JAM BUS AR-BROACH BLOCK
NARMADABLOCK
G U J A R A T A L L U V I U M
J A M B U S A R F O R M A T I O N
B R O A C H F O R M A T I O N
K A N D F O R M A T I O N
J H A G A D I A F O R M A T I O N
B A B A G U R U F O R M A T I O N
DADHAR FORMATIO N
VASO FORMA TION
TELW A SH ALE
ARD OL MB.UP. EOCENE
UPPERCRETACEOUS
DECCAN TRAP GROUP
BALUTRIFORM ATION
LOWERTHARAD
FORM ATION
UPPER THARAD FORM ATION
K A N D F O R M A T I O N
KANW A SH AL E
HAJAD M EMBERWAVEL MB
KANSARI SHALE
YOUNGER CAMBAY SHALE
OLDER CAMBAY SHAL E
OLPAD FORM ATION
DECCAN TRAP GROUP
DETRO JUNIT
GENERALISED STRATIGRAPHY OF CAMBAY BASINGENERALISED STRATIGRAPHY OF CAMBAY BASIN
CHHATR AL MB.
MEHSAN ALMB.
SOBH ASAN MB
MANDH ALI MB.
SERTHA MB. KAL
OL
FM
AN
KLE
SW
AR
FM
LINCH MB.
UNAW A MB.
CAM
BAY
SHA
LE
N M
*
N MLEGEND
NECK MARKER (LOG)
SOURCE SEQUENCE
RESERVOIR SEQUENCE
TARKESHAWAR FORMATION
SONGIRFORMATION
HAZI
RA
SH
ALE
KAD
I FM
TARAPUR SHALE
NW GM, DHOLK A
GRANITE
SOURCE RES. SEAL OIL/G AS
1
2
1 & 2TOC : 1.5% - 4.0%VRo : 0.6% - 2%KEROGEN TYPE – II & III
AREA
AGE
SUB-SURFACE
SERAU-THARADBLOCK
GUJARAT ALLUVIUMRECENTTO
PLEISTOCENE BUDHANPURFORM ATION
PLIOCENEUP.
MIOCENEANTROL
FORM ATIONDHIM A
FORM ATIONMID.
MIOCENE
LR. MIOCENE
DEODAR FORMATION
OLIGOCENE
TARAPUR SHALE
MID.EOCENE
LR. EOCENE
PALEOCENE
LOWERCRETACEOUSTO JURASSIC
ARCHEAN GRANIT E
SERAUFORMATION
SUB-SURFACEMEHSANA-
AHMEDABAD-DHOLKA BLOCK
CAM BAY-TARAPUR BL OCK
JAM BUS AR-BROACH BLOCK
NARMADABLOCK
G U J A R A T A L L U V I U M
J A M B U S A R F O R M A T I O N
B R O A C H F O R M A T I O N
K A N D F O R M A T I O N
J H A G A D I A F O R M A T I O N
B A B A G U R U F O R M A T I O N
DADHAR FORMATIO N
VASO FORMA TION
TELW A SH ALE
ARD OL MB.UP. EOCENE
UPPERCRETACEOUS
DECCAN TRAP GROUP
BALUTRIFORM ATION
LOWERTHARAD
FORM ATION
UPPER THARAD FORM ATION
K A N D F O R M A T I O N
KANW A SH AL E
HAJAD M EMBERWAVEL MB
KANSARI SHALE
YOUNGER CAMBAY SHALE
OLDER CAMBAY SHAL E
OLPAD FORM ATION
DECCAN TRAP GROUP
DETRO JUNIT
GENERALISED STRATIGRAPHY OF CAMBAY BASINGENERALISED STRATIGRAPHY OF CAMBAY BASIN
CHHATR AL MB.
MEHSAN ALMB.
SOBH ASAN MB
MANDH ALI MB.
SERTHA MB. KAL
OL
FM
AN
KLE
SW
AR
FM
LINCH MB.
UNAW A MB.
CAM
BAY
SHA
LE
N M
*
N MLEGEND
NECK MARKER (LOG)
SOURCE SEQUENCE
RESERVOIR SEQUENCE
TARKESHAWAR FORMATION
SONGIRFORMATION
HAZI
RA
SH
ALE
KAD
I FM
TARAPUR SHALE
NW GM, DHOLK A
GRANITE
SOURCE RES. SEAL OIL/G AS
1
2
1 & 2TOC : 1.5% - 4.0%VRo : 0.6% - 2%KEROGEN TYPE – II & III
7. REPRESENTATIVE SEISMO-GEOLOGICAL SECTION
8. PROVEN/EXPECTED PLAY TYPES
(i) Structural highs and fault closures in Paleocene to Miocene sequences
(ii) Stratigraphic traps (pinchouts / wedgeouts, lenticular sands, oolitic sands, weathered trap) in
Paleocene to Miocene sequences
100
600
1100
1600
1600
1100
600
100
2100
600
CAMBAY GULF NARMADA RIVER
G 243-6G 278-8G 214-1AG 214-1
WSW ENE
DEPTHMSL
SEISMO-GEOLOGICAL SECTION ACROSS BROACH TECTONIC BLOCK
0.5
1.1
1.75
2.5
3.3
4.0
4.7
5.4
6.5
7.8
0.5
1.1
1.75
2.5
3.3
4.0
4.7
5.4
6.5
7.8
RECENT TO PLIOCENE
MIOCENE
LEGEND
OLIGOCENE
EOCENE
PALAEOCENE
DECCAN TRAP (Basalt)TOP OF OIL WINDOWBASE OF OIL WINDOW
O/W
OILWINDOW
v v
BLOCKS ON OFFER
LOCATIONS OF THE BLOCKS
414-19
208
418
319-15
1043
1165231-2
737
837
948
319-12
973
10731090
231-3
728
828
982
290-6
200
300
400
500
633 319-8
836
936
322-3
158
258
358
458
558
600
394-
2 220
320
420
394-
3 330
429
394-
1
233
333
414
414-
13
47
147
247
300
339-21 108
249
319-3
79
179
279
445
319-3A
79
179
279
379
479
579604
414-
15
307
407
507
570
319-
4
81
181
225319-4A
81
181
281
381
481
566
322-15
32
132
232
332
395
319-680
180
280
380
480497
322-6
30
130
230
319
319-9
156
256
356
390
414-2
100
174
414-4
66
166
231
290-1B
1830
394-15
66
166
200
414-12
235
345
414-10
168
268
368
400
322-16
30
130
230
330
414-0666
166
266
366
414-08
66
266
366
466
306
406
506
606
23 4
4 00
23 4
6 00
23
48
00
72 08 00 72 10 00 72 12 00 72 14 00 72 16 00
2104
928
600
430
530
414-
17
72 08 00 72 10 00 72 12 00 72 14 00 72 16 00
23 4
4 00
23 4
6 00
23
48
00
A
BC
DE
N
Ranuj-1
South Patan – 2
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
BLOCK : CB-ONN-2005/1
1. BLOCK AREA 61 sq. km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 400 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
Seismic Coverage Map
2.3 WELL DATA Number of exploratory wells : 2
Hydrocarbon shows : No Hydrocarbon shows encountered in the drilled wells
AGE FORMATION DEPTH(m)
LITHOLOGY DISCRIPTION REMARKS
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
~~~~~~~~
~~~~~~~~~~~~~~~~
~~~~~~~~
~~~~~~~~
~~~~~~~~
~~~~~~~~~~~~~~~~CAMBAY
SHALE
KA
LOL
–K
AD
I
TARAPUR
BABAGURU
KAND
J H
A G
A D
I A
GU
JAR
AT
ALL
UVI
UM
REC
ENT
TO
SUB
REC
ENT
N
E
O
G
E
N
EP
A L
E O
G E
N E
Sand and Clay
Sandstone, Clay,
Claystone, Siltstone
and Coal
Sandstone, Claystone,
Siltstone and Coal
Claystone and Sandstone
Claystone
Sandstone, Claystone,
Coal and Siltstone
Claystone, Shale and
Siltstone
DD : 1700m KB : 83.2mGL : 78.2m
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL SOUTH
PATAN -2
500
1000
1500
2000
2500
3000
3500
4000
T
W
T
I
N
M
S
350 300400 200 150250 100LINE : 414-08
NEAR TOP OF KALOL-KADI FM.
NEAR TOP OF CAMBAY SHALE
NEAR TOP OF OLPAD
TOP DECCAN TRAP
SE
SP
NW
414-19
208
418
319-15
1043
1165
231-2
737
837
948
319-12
973
10731090
231-3
728
828
982
290-6
200
300
400
500
633 319-8
836
936
322-3
158
258
358
458
558
600
394-
2 220
320
420
394-3
330
429
394-
1
233
333
414
414-
13
47
147
247
300
339-21 108
249
319-3
79
179
279
445
319-3A
79
179
279
379
479
579604
414-
15
307
407
507
570
319-
4
81
181
225
319-4A
81
181
281
381
481
566
322-15
32
132
232
332
395
319-680
180
280
380
480497
322-6
30
130
230
319
319-9
156
256
356
390
414-2
100
174
414-4
66
166
231
290-1B
1830
394-15
66
166
200
414-12
235
345
414-10
168
268
368
400
322-16
30
130
230
330
414-06
66
166
266
366
414-08
66
266
366
466
306
406
506
606
2104
928
600
430
530
414-
17
A
BC
DE
414- 19
208
418
319-15
1043
1165
231-2
737
837
948
319-12
973
10731090
231-3
728
828
982
290-6
200
300
400
500
633 319-8
836
936
322-3
158
258
358
458
558
600
394-
2 220
320
420
394-3
330
429
394-
1
233
333
414
414-
13
47
147
247
300
339-21 108
249
319-3
79
179
279
445
319-3A
79
179
279
379
479
579604
414-
15
307
407
507
570
319-
4
81
181
225
319-4A
81
181
281
381
481
566
322-15
32
132
232
332
395
319-680
180
280
380
480497
322-6
30
130
230
319
319-9
156
256
356
390
414-2
100
174
414-4
66
166
231
290-1B
1830
394-15
66
166
200
414-12
235
345
414-10
168
268
368
400
322-16
30
130
230
330
414-06
66
166
266
366
414-08
66
266
366
466
306
406
506
606
2104
928
600
430
530
414-
17
A
BC
DE
4. INTERPRETED PLAY TYPE
SECTION SHOWS A CONSPICOUS STRUCTURAL HIGH INVOLVING OLPAD FORMATION
AND CAMBAY SHALE.
23 42 0023 44 00
414-20
319-
13
840
1020290-8
890
1110
190
320
307-11
1430
1610
319-10
800
1060
319-16
830
1130
319-5
840
1156
319-6A
81
200
331-3
56
125
331-4
78
130
339-20
420
700
372-
10
280
710
372-
12
320
620
372-
14
370
500
372-15
380
780
372-17
340
700
372-
2
30
140
372-
4
103
500
372-
6A
160
402
372-
6B
100
160
372-8
190
690
750
372-13B
209
330
394-0
1
6
160
394-
02
6
130
394-
03
40
100 394-
13
64
90
404-
06
14
130
404-
07
6
95
404-
10
160
230
319-03
668
1079
319-04
444
944
1080
414-19
6
150
414-
15
45
222
231-1
3
251
487
319-09
818
1155
72 04 00 72 06 00 72 08 00 72 10 00
72 04 00 72 06 00 72 08 00 72 10 00
23 4
2 00
23 4
4 00
A
BC
D
E
FCH-4
CH-1
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
23 30 0023 32 00
23 34 0023 36 00
23 38 00
72 02 00 72 04 00 72 06 00 72 08 00
72 02 00 72 04 00 72 06 00 72 08 00
23 3
0 00
23 3
2 00
23 3
4 00
23 3
6 00
23 3
8 00
0 2,000 4,000
MetersScale 1 : 100000
0 2,000 4,000
MetersScale 1 : 100000
90
188-13
188-14
188-15
266-11590
10901120
266-12
590
1120
266-14 580
830
266-15580
830266-17580
810
266-18580
690266-19570
690
266-20
570
680
266-6
140
640
730291-7A
800
970
291-9A
1340
1538
291-9B
140
320
331-11
1140
1248
331-19530
610
331-20520
600
335-1
1460
1603
339-01
840
960
339-03740
930
339-05
410
910940
339-07
420
920940
339-08
420
902339-09
420
920940
339-11690
930
339-12
530
720339-13700
940
339-15
710
940
339-17720
950
339-19750
950
13
70
14
19014
A
B
C
D
E
FG
HI
JK
L
M
N
O
KB-4
BC-17
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
BLOCK : CB-ONN-2005/2
1. BLOCK AREA 82 Sq. Km. (Approx.) (Part – A & B)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 570 LKM
SEISMIC COVERAGE MAP (PART-A)
AGE FORMATIONDEPTH
(M) LITHOLOGY DISCRIPTION REMARKS
~~~~~~~~~~~~~~~~
~~~~~~~~
~~~~~~~~
Sand, Gravel, Clay and Claystone
Claystone and Sand
Claystone and Sand
Sand and Clay
Claystone, Shale, Sand and Siltstone
Sand, Claystone, Clay, Coal, Shale and Siltstone
Claystone, Sand and Siltstone
Holocene Pleistocene
Upp
.Mio
cene
–M
id.M
ioce
neM
id.M
ioce
ne–
Low
.Mio
cene
LOWER MIOCENE
Low.Oligocene– Upp. Eocene
Upp
er E
ocen
e –
Low
er E
ocen
e
Lower Eocene - Paleocene
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
Gujarat Alluvium
Jhagadia
Kand
Babaguru
Tarapur
Kalol - Kadi
CambayShale
Golden Yellow Fob
Moderate Sol. Cut
DD : 1410.6 M
SEISMIC COVERAGE MAP (PART-B) 2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
4
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL BECHRAJI-17
1000
1200
1400
1600
1800
2000
2200
2400
2600
750 700 650 600 550 500 450 400SENW
T W
T
I N
M S
LINE : 372-15SP
NEAR TOP OF KALOL FM.
WITHIN OLPAD
414-20
319-
13
840
1020
290-8
890
1110
190
320
307-11
1430
1610
319-10
800
1060
319-16
830
1130
319-5
840
1156
81
331-3
56
125
331-4
78
130
339-20
420
700
372-
10
280
710
372-
12
320
620
372-
14
370
500
372-15
380
780
372-17
340
700
372-
2
30
140
372-
4
103
500
372-
6A
160
402
372-
6B
100
160
372-8
190
690
750
372-13B
209
330
394-
01
6
160
394-
02
6
130
394-
03
40
100 394-
13
64
90
404-
06
14
130
404-
07
6
95
404-
10
160
230
319-03
668
1079
319-04
444
944
1080
414- 19
6
150
319-06
806
1104
414-
15
45
222
231-
13251
487
319-09
818
1155
A
BC
D
E
F414-20
319-
13
840
1020
290-8
890
1110
190
320
307-11
1430
1610
319-10
800
1060
319-16
830
1130
319-5
840
1156
81
331-3
56
125
331-4
78
130
339-20
420
700
372-
10
280
710
372-
12
320
620
372-
14
370
500
372-15
380
780
372-17
340
700
372-
2
30
140
372-
4
103
500
372-
6A
160
402
372-
6B
100
160
372-8
190
690
750
372-13B
209
330
394-
01
6
160
394-
02
6
130
394-
03
40
100 394-
13
64
90
404-
06
14
130
404-
07
6
95
404-
10
160
230
319-03
668
1079
319-04
444
944
1080
414- 19
6
150
319-06
806
1104
414-
15
45
222
231-
13251
487
319-09
818
1155
A
BC
D
E
F
1000
1250
1500
1750
2000
2250
2500
2750
3000
600
750
640 680 720 760 800WELL: KHAMBEL-4LINE : 266-14
T W
T
I N
M S
NEAR TOP OF KALOL FM
TOP OF CAMBAY SHALE
WITHIN OLPAD FM.
EWSP
90
188-13
188-14
188-15
266-11590
1090
1120
266-12
590
1120
266-14 580
830
266-15580
830266-17580
810
266-18580
690266-19570
690
266-20
570
680
266-6
140
640
730291-7A
800
970
291-9A
1340
1538
291-9B
140
320
331-11
1140
1248
331-19530
610
331-20520
600
335-1
1460
1603
339-01
840
960
339-03740
930
339-05
410
910940
339-07
420
920940
339-08
420
902339-09
420
920940
339-11690
930
339-12
530
720339-13700
940
339-15
710
940
339-17720
950
339-19750
950
13
70
14
19014
A
B
C
D
E
FG
HI
JK
L
M
N
O
90
188-13
188-14
188-15
266-11590
1090
1120
266-12
590
1120
266-14 580
830
266-15580
830266-17580
810
266-18580
690266-19570
690
266-20
570
680
266-6
140
640
730291-7A
800
970
291-9A
1340
1538
291-9B
140
320
331-11
1140
1248
331-19530
610
331-20520
600
335-1
1460
1603
339-01
840
960
339-03740
930
339-05
410
910940
339-07
420
920940
339-08
420
902339-09
420
920940
339-11690
930
339-12
530
720339-13700
940
339-15
710
940
339-17720
950
339-19750
950
13
70
14
19014
A
B
C
D
E
FG
HI
JK
L
M
N
O
SECTION SHOWS THINNING AND SHALLOWING OF STRATIGRAPHIC UNITS TOWARDS SE, i.e., TOWARDS NARMADA TECTONIC BLOCK. KALOL THICKNESS BEING TOO
SMALL, CAMBAY SHALE TOP COULD NOT BE MARKED.
SECTION SHOWS AN ANTICLINAL FEATURE INVOLVING OLDER CAMBAY SHALE AND OLPAD FORMATION.
4. INTERPRETED PLAY TYPE
BLOCK : CB-ONN-2005/3
1. BLOCK AREA 48 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 220 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
2
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
341-03
341-19
341-07
341-06
28513B
28513A
341-05
341-04
365-02
365- 13
365-04
365-06
251-9
365-08
365-10
365-12
365-14
288-4
285-
10
288-5
960
960
1060
1060340
160
260
360
460
560580
1160
1160
160
260
360
460
560
620
440
1660
1760
1860
1960
107
207
307320
1260
1260
1360
200
300
400
500
600
640
1360
1454
1998
1960
540
230
330
430
530
630
680
14601860
88
640
54
154
220
60
1760
160
740
188
220
80
180
240
1660
380
480
540
100
200
1560
840
288
940
100
280
260
1600
1580
120
220
300
1480
140
240
280
1380
1040
388
1100419
72 10 00 72 12 00 72 14 00
23 26 0023 24 00
23 22 0023 20 00
72 10 00 72 12 00 72 14 00
23 2
6 00
23 2
4 00
23 2
2 00
23 2
0 00
0 1,000 2,000 3,000
MetersScale 1 : 100000
A
BC
D
E
F
LM – 8
EB – 3
Block Boundary
Seismic Lines
LEGEND
Wells
341-03
341-19
341-07
341-06
28513B
28513A
341-05
341-04
365-02
365- 13
365-04
365-06
251-9
365-08
365-10
365-12
365-14
288-4
285-
10
288-5
960
960
1060
1060340
160
260
360
460
560580
1160
1160
160
260
360
460
560
620
440
1660
1760
1860
1960
107
207
307320
1260
1260
1360
200
300
400
500
600
640
1360
1454
1998
1960
540
230
330
430
530
630
680
14601860
88
640
54
154
220
60
1760
160
740
188
220
80
180
240
1660
380
480
540
100
200
1560
840
288
940
100
280
260
1600
1580
120
220
300
1480
140
240
280
1380
1040
388
1100419
72 10 00 72 12 00 72 14 00
23 26 0023 24 00
23 22 0023 20 00
72 10 00 72 12 00 72 14 00
23 2
6 00
23 2
4 00
23 2
2 00
23 2
0 00
0 1,000 2,000 3,000
MetersScale 1 : 100000
0 1,000 2,000 3,000
MetersScale 1 : 100000
A
BC
D
E
F
LM – 8
EB – 3
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL BECHRAJI – 3
AGE FORMATION DEPTH
(M) LITHOLOGY DISCRIPTION REMARKS
REC
ENT
–M
IDD
LE M
IOC
ENE
Post Kand
MID
. MIO
CEN
E –
LOW
. MIO
CEN
E
LOWER MIOCENE
Oligocene –Upper Eocene
MIDDEL EOCENE
LOW
ER
EOC
ENE
–U
PPER
PA
LAEO
CEN
E
Kand
Babaguru
Tarapur
Kalol - Kadi
Olpad –Cambay Shale
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
~~~~~~~~
~~~~~~~~
~~~~~~~~
~~~~
Clay and Sand
Sandstone, Claystoneand Siltstone
Claystone, Shale and Sandstone
Shale, Sandstone, Claystone and Coal
Shale, Sandstone and Claystone
DD : 1505 M
AGE FORMATION DEPTH (M) LITHOLOGY DISCRIPTION REMARKS
REC
ENT
–M
IDD
LE M
IOC
ENE
Post Kand
MID
. MIO
CEN
E –
LOW
. MIO
CEN
E
LOWER MIOCENE
Oligocene –Upper Eocene
MIDDEL EOCENE
LOW
ER
EOC
ENE
–U
PPER
PA
LAEO
CEN
E
Kand
Babaguru
Tarapur
Kalol - Kadi
Olpad –Cambay Shale
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~
~~~~~~~~
Clay and Sand
Sandstone, Claystoneand Siltstone
Claystone, Shale and Sandstone
Shale, Sandstone, Claystone and Coal
Shale, Sandstone and Claystone
DD : 1505 M
A STRUCTURAL HIGH INVOLVING OLDER CAMBAY SHALE AND OLPAD FORMATION.
5. INTERPRETED PLAY TYPE
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
400 500 600 700 800 900 1000
LINE : 285 – 10
T W
T
I N
M S
SP
NNWSSE
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
HORIZON WITHIN OLPAD FORMATION
WELL: LM – 8
341-03
341-19
341-07
341-06
28513B
28513A
341-05
341-04
365-02
365-13
365-04
365-06
251-9
365-08
365-10
365-12
365-14
288-4
285-
10
288-5
960
960
1060
1060340
160
260
360
460
560580
1160
1160
160
260
360
460
560
620
440
1660
1760
186 0
19 60
107
20 7
307320
1260
1260
1360
200
300
400
500
600
640
1360
1454
1998
1960
540
230
330
430
530
630
680
14601860
88
640
54
154
220
60
1760
160
740
188
220
80
18 0
240
1660
380
480
540
100
200
1560
840
288
940
100
280
26 0
1600
1580
120
220
300
1480
140
240
280
1380
1040
388
1100419
A
BC
D
E
F
341-03
341-19
341-07
341-06
28513B
28513A
341-05
341-04
365-02
365-13
365-04
365-06
251-9
365-08
365-10
365-12
365-14
288-4
285-
10
288-5
960
960
1060
1060340
160
260
360
460
560580
1160
1160
160
260
360
460
560
620
440
1660
1760
186 0
19 60
107
20 7
307320
1260
1260
1360
200
300
400
500
600
640
1360
1454
1998
1960
540
230
330
430
530
630
680
14601860
88
640
54
154
220
60
1760
160
740
188
220
80
18 0
240
1660
380
480
540
100
200
1560
840
288
940
100
280
26 0
1600
1580
120
220
300
1480
140
240
280
1380
1040
388
1100419
A
BC
D
E
F
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
400 500 600 700 800 900 1000
LINE : 285 – 10
T W
T
I N
M S
SP
NNWSSE
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
HORIZON WITHIN OLPAD FORMATION
WELL: LM – 8
341-03
341-19
341-07
341-06
28513B
28513A
341-05
341-04
365-02
365-13
365-04
365-06
251-9
365-08
365-10
365-12
365-14
288-4
285-
10
288-5
960
960
1060
1060340
160
260
360
460
560580
1160
1160
160
260
360
460
560
620
440
1660
1760
186 0
19 60
107
20 7
307320
1260
1260
1360
200
300
400
500
600
640
1360
1454
1998
1960
540
230
330
430
530
630
680
14601860
88
640
54
154
220
60
1760
160
740
188
220
80
18 0
240
1660
380
480
540
100
200
1560
840
288
940
100
280
26 0
1600
1580
120
220
300
1480
140
240
280
1380
1040
388
1100419
A
BC
D
E
F
341-03
341-19
341-07
341-06
28513B
28513A
341-05
341-04
365-02
365-13
365-04
365-06
251-9
365-08
365-10
365-12
365-14
288-4
285-
10
288-5
960
960
1060
1060340
160
260
360
460
560580
1160
1160
160
260
360
460
560
620
440
1660
1760
186 0
19 60
107
20 7
307320
1260
1260
1360
200
300
400
500
600
640
1360
1454
1998
1960
540
230
330
430
530
630
680
14601860
88
640
54
154
220
60
1760
160
740
188
220
80
18 0
240
1660
380
480
540
100
200
1560
840
288
940
100
280
26 0
1600
1580
120
220
300
1480
140
240
280
1380
1040
388
1100419
A
BC
D
E
F
BLOCK : CB-ONN-2005/4
1. BLOCK AREA 31 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 285 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
3
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
0 2,000
MetersScale 1 : 100000
344-03
225
425
625
825
947
289-0170
270280
208-7 270
470
600
384-01
64
133 29219D
370
570
770
930
344-07
240
440
640
840
10401060
289-11
78
278
330
344-09
280
480
680
880
1000
384-02
28
130
289-1278
278309
289-13
78
278300
354-25
343
743760
384-03
28
142
302-7500
700
744
336-
21
651
851
955
336-22
681
881
980
289-3
76
276
425
344 -08
281
481
681
881
930
208-4
284
484
544
302-3
73
273
295 354-10
250
450
650
691
302-6
74
200
344-10
400
600
645
23 22 00
72 36 00 72 38 00 72 40 00543
23 20 00
23 2
2 00
23 2
0 00
72 36 00 72 38 00 72 40 00
A
B
CD
E
F
G
HI
KL-212
AMJ-1
LM-82
Block Boundary
Seismic Lines
LEGEND
Wells0 2,000
MetersScale 1 : 100000
0 2,000
MetersScale 1 : 100000
344-03
225
425
625
825
947
289-0170
270280
208-7 270
470
600
384-01
64
133 29219D
370
570
770
930
344-07
240
440
640
840
10401060
289-11
78
278
330
344-09
280
480
680
880
1000
384-02
28
130
289-1278
278309
289-13
78
278300
354-25
343
743760
384-03
28
142
302-7500
700
744
336-
21
651
851
955
336-22
681
881
980
289-3
76
276
425
344 -08
281
481
681
881
930
208-4
284
484
544
302-3
73
273
295 354-10
250
450
650
691
302-6
74
200
344-10
400
600
645
23 22 00
72 36 00 72 38 00 72 40 00543
23 20 00
23 2
2 00
23 2
0 00
72 36 00 72 38 00 72 40 00
A
B
CD
E
F
G
HI
KL-212
AMJ-1
LM-82
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL LIMODARA - 82
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~
~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~
~~~~
~~~~ ~~~~~~~~
~~~~~~~~~~~~
~~~~~~~~ ~~~~
~~~~~~~~
~~~~
~~~~~~~~ ~~~~
AGE FORMATION
DEPTH (m)
LITHOLOGY DESCRIPTION REMARKS
KB
R E
C E
N T
TO
M
I D
D L
E
M I
O C
E N
E
MID
. MIO
CEN
ETO
LR. M
IOC
ENE
LOW
ER
M
IOC
ENE
OLI
GO
CEN
ETO
UPP
ER
EOC
ENE
UPP
ER E
OC
ENE
TOM
IDDL
E E
OC
ENE
LOW
ER
EO
CEN
E
CAMBAYSHALE
K A
L O
LT
A R
A P
U R
BAB
AGUR
U
K A N D
P O
S T
K
A
N
D Alluvium, Sand, Silt
and Clay
Clay and Claystone
Sand and Clay
Shale, Sand, Siltstone
and Claystone
Shale, Siltstone,
Claystone and Coal
Shale, Siltstone and
Claystone
Yellow Fl. color
*Moderate Sol Cut
Golden Yellow fol
*Moderate to strong
Sol Cut
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~
~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~
~~~~~~~~
~~~~~~~~ ~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~ ~~~~~~~~
~~~~~~~~~~~~~~~~
~~~~~~~~
~~~~~~~~~~~~~~~~ ~~~~~~~~
AGE FORMATION
DEPTH (m)
LITHOLOGY DESCRIPTION REMARKS
KB
R E
C E
N T
TO
M
I D
D L
E
M I
O C
E N
E
MID
. MIO
CEN
ETO
LR. M
IOC
ENE
LOW
ER
M
IOC
ENE
OLI
GO
CEN
ETO
UPP
ER
EOC
ENE
UPP
ER E
OC
ENE
TOM
IDDL
E E
OC
ENE
LOW
ER
EO
CEN
E
CAMBAYSHALE
K A
L O
LT
A R
A P
U R
BAB
AGUR
U
K A N D
P O
S T
K
A
N
D Alluvium, Sand, Silt
and Clay
Clay and Claystone
Sand and Clay
Shale, Sand, Siltstone
and Claystone
Shale, Siltstone,
Claystone and Coal
Shale, Siltstone and
Claystone
Yellow Fl. color
*Moderate Sol Cut
Golden Yellow fol
*Moderate to strong
Sol Cut
FAULT BOUNDED STRUCTURAL FEATURE (PROBABLY FAULT CLOSURE) INVOLVING
KALOL-KADI AND CAMBAY SHALE FORMATIONS.
4. INTERPRETED PLAY TYPE
800
1000
1200
1400
1600
1800
2000
900 8001000 700 600 500 400 300
LINE : 344 – 07 T
W T
I
N
M
S
SP
W E
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
F
F
344-03
225
425
625
82 5
947
289-0170
270280
208-7 270
470
600
384-01
64
133 29219D
370
570
770
930
344-07
240
440
640
840
1040106 0
289-11
78
278
330
344-09
280
480
680
880
1000
384-02
28
130
289-1278
278309
289-13
78
278300
354-25
343
743760
384-03
28
142
302-7500
700
744
336-
21
651
851
955
336-22
681
881
980
289-3
76
276
425
344-08
281
481
681
881
930
208-4
284
484
544
302-3
73
273
295 354-10
250
450
650
691
302-6
74
200
344-10
400
600
645
543
A
B
CD
E
F
G
HI
13
800
1000
1200
1400
1600
1800
2000
900 8001000 700 600 500 400 300
LINE : 344 – 07 T
W T
I
N
M
S
SP
W E
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
F
F
344-03
225
425
625
82 5
947
289-0170
270280
208-7 270
470
600
384-01
64
133 29219D
370
570
770
930
344-07
240
440
640
840
1040106 0
289-11
78
278
330
344-09
280
480
680
880
1000
384-02
28
130
289-1278
278309
289-13
78
278300
354-25
343
743760
384-03
28
142
302-7500
700
744
336-
21
651
851
955
336-22
681
881
980
289-3
76
276
425
344-08
281
481
681
881
930
208-4
284
484
544
302-3
73
273
295 354-10
250
450
650
691
302-6
74
200
344-10
400
600
645
543
A
B
CD
E
F
G
HI
13
BLOCK : CB-ONN-2005/5
1. BLOCK AREA 83 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 630 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
3
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
328-22
800
900
1000
11001168
328-21
777
877
977
10771085
328-24
797
897
1097
1201
328-07
403
503
603
703
803
328-20
773
973
1073
1173
1273
1373
332-03
880
108011801280138014801580168017801880
332-05
892
992
10921192
1292139214921592
169217921892
1948
334-27
15861686
178618861986
2086
2186
2286
2386
2453
334-25
100811081208
13081408
15081608
1708180819081952
207-15 231
331
431
445
332-19
112312231323
1423
1523
1723
18231836
332-20
702
802
902
1102
1202
1302
1402
332-18
563
663
763
863
963
1063
1163
1263
13631382
207-21
74
174
274
278
332-12
502
602
702
802
902
1002
1102
1202
1407
328-09
459
559
759
859
889
328-05
772
872
889
328-04
768
868
886328-02
776
876887
328-01
750
850
885
276-29
757
207-18
74
174
274
374384
276-36 132
232
532534
276-37132
232
332
432
536
276-38 232
332
432
532
618
276-39 232
332
432
532
632
276-40 232
332
432
532
632
720
276-41 232
332
432
532
632
676
276-42 132
232
432
532
332-14
103
203
403
503
603
703
803
903
1003
1103
1203
1303
1403
15031512
332-16
103
203
303
503
603
703
803
903
1003
1103
1203
1303
1403
1503
1560
207-16
74
174
274
374
394
23 00 0023 02 00
23 04 0023 06 00
23 08 0023 10 00
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00
888
659
997857
923
403
1450
1002
873
980
1972
303
1623
432
1302
332
605
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00
23 0
0 00
23 0
2 00
23 0
4 00
23 0
6 00
23 0
8 00
23 1
0 00
A
14731481
B C 332D
E F G
H I
J
KL
MN
OP
Q
Walod-4
Walod-3Walod-5
Block Boundary
Seismic Lines
LEGEND
Wells
328-22
800
900
1000
11001168
328-21
777
877
977
10771085
328-24
797
897
1097
1201
328-07
403
503
603
703
803
328-20
773
973
1073
1173
1273
1373
332-03
880
108011801280138014801580168017801880
332-05
892
992
10921192
1292139214921592
169217921892
1948
334-27
15861686
178618861986
2086
2186
2286
2386
2453
334-25
100811081208
13081408
15081608
1708180819081952
207-15 231
331
431
445
332-19
112312231323
1423
1523
1723
18231836
332-20
702
802
902
1102
1202
1302
1402
332-18
563
663
763
863
963
1063
1163
1263
13631382
207-21
74
174
274
278
332-12
502
602
702
802
902
1002
1102
1202
1407
328-09
459
559
759
859
889
328-05
772
872
889
328-04
768
868
886328-02
776
876887
328-01
750
850
885
276-29
757
207-18
74
174
274
374384
276-36 132
232
532534
276-37132
232
332
432
536
276-38 232
332
432
532
618
276-39 232
332
432
532
632
276-40 232
332
432
532
632
720
276-41 232
332
432
532
632
676
276-42 132
232
432
532
332-14
103
203
403
503
603
703
803
903
1003
1103
1203
1303
1403
15031512
332-16
103
203
303
503
603
703
803
903
1003
1103
1203
1303
1403
1503
1560
207-16
74
174
274
374
394
23 00 0023 02 00
23 04 0023 06 00
23 08 0023 10 00
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00
888
659
997857
923
403
1450
1002
873
980
1972
303
1623
432
1302
332
605
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00
23 0
0 00
23 0
2 00
23 0
4 00
23 0
6 00
23 0
8 00
23 1
0 00
A
14731481
B C 332D
E F G
H I
J
KL
MN
OP
Q
Walod-4
Walod-3Walod-5
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN NEARBY WELL
WALOD – 4
AGE FORMATION DEPTH(m)
LITHOLOGY DISCRIPTION REMARKS
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
R E
C E
N T
T
O
M I
D D
L E
M
I O
C E
N E
LOWERMIOCENE
OLIGOCENE
TO
UPPEREOCENE
UPP
ER E
OC
ENE
TO
MID
DLE
EO
CEN
E
LOWER
EOCENECAMBAYSHALE
K
A
L
O
LT
A R
A P
U R
BAB
AG
URU
P
O
S
T
K
A
N
D
~~~~ ~~~~~~ ~~~~~~ ~~
~~
~~~~
~~~~
~~
Sand, Gravel, Clay and
Claystone
Clay and Claystone
Shale, SiltyShale and
Siltstone
Shale, SiltyShale, Coal
and Siltstone
Shale and Siltstone
Golden Yellow Fol.
*
Yellow Fol.
*Moderate Sol. Cut
DD : 1600m
AGE FORMATION DEPTH(m)
LITHOLOGY DISCRIPTION REMARKS
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
R E
C E
N T
T
O
M I
D D
L E
M
I O
C E
N E
LOWERMIOCENE
OLIGOCENE
TO
UPPEREOCENE
UPP
ER E
OC
ENE
TO
MID
DLE
EO
CEN
E
LOWER
EOCENECAMBAYSHALE
K
A
L
O
LT
A R
A P
U R
BAB
AG
URU
P
O
S
T
K
A
N
D
~~~~ ~~~~~~ ~~~~~~ ~~
~~
~~~~
~~~~
~~
Sand, Gravel, Clay and
Claystone
Clay and Claystone
Shale, SiltyShale and
Siltstone
Shale, SiltyShale, Coal
and Siltstone
Shale and Siltstone
Golden Yellow Fol.
*
Yellow Fol.
*Moderate Sol. Cut
DD : 1600m
A LOW AMPLITUDE STRUCTURAL FEATURE INVOLVING KALOL-KADI AND CAMBAY SHALE FORMATIONS IS OBSERVED.
4. INTERPRETED PLAY TYPE
3250
1000
1250
1500
1750
2000
2250
2500
2750
3000
750
1800 17001900 1500 14001600 1200 11001300 1000
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
LINE : 332 – 05 T
W T
I
N
M
S
SP
W E
328-22
800
900
10 00
11 001168
328-21
777
877
97 7
10 7710 85
328-24
797
89 7
1097
1201
328-07
403
503
603
703
803
328-20
773
973
10 73
11 73
12 73
137 3
332-03
880
108011801280138014 801580168017801880
332-05
892
992
10921192129213921492159216 92179218921948
334-27
158616861786
1886198620862186
2286
2386
2453
334-25
1008110812 08
130 814 08150 8160 8
1 7081 8081 908195 2
207-15 231
331
431
445
332-19
112312231323
14 23
1523
1723
18 2318 36
332-20
702
802
902
1102
1202
1302
1402
332-18
563
663
763
863
963
1063
1163
1263
13631382
207-21
74
174
274
278
332-12
502
602
702
802
902
1002
1102
1202
1407
328-09
459
559
759
859
889
328-05
772
872
889
328-04
768
868
886
328-02
776
876887
328-01
750
850
885
276-29
757
207-18
74
174
274
374
384
276-36 132
232
532534
276-37 132
232
332
432
536
276-38 132
232
332
432
532
618
276-39 132
232
332
432
532
632
276-40 132
232
332
432
532
632
720
276-41 132
232
332
432
532
632
676
276-42 132
232
432
532
332-14
103
203
403
503
603
703
803
903
1003
1103
1203
1303
1403
15031512
332-16
103
203
303
503
603
703
803
903
1003
1103
1203
1303
1403
1503
1560
207-16
74
174
274
374
394888
659
997857
923
403
1450
1002
873
980
1972
303
1623
432
1302
332
605
A
147314 81
B C 332D
E F G
H I
J
KL
MN
OP
Q
9
3250
1000
1250
1500
1750
2000
2250
2500
2750
3000
750
1800 17001900 1500 14001600 1200 11001300 1000
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
LINE : 332 – 05 T
W T
I
N
M
S
SP
W E
328-22
800
900
10 00
11 001168
328-21
777
877
97 7
10 7710 85
328-24
797
89 7
1097
1201
328-07
403
503
603
703
803
328-20
773
973
10 73
11 73
12 73
137 3
332-03
880
108011801280138014 801580168017801880
332-05
892
992
10921192129213921492159216 92179218921948
334-27
158616861786
1886198620862186
2286
2386
2453
334-25
100811081208
1308140815081608
1708180819081952
207-15 231
331
431
445
332-19
112312231323
14 23
1523
1723
18 2318 36
332-20
702
802
902
1102
1202
1302
1402
332 -18
563
663
763
863
963
1063
1163
1263
13631382
207-21
74
174
274
278
332-12
502
602
702
802
902
1002
1102
1202
1407
328-09
459
559
759
859
889
328-05
772
872
889
328-04
768
868
886
328-02
776
876887
328-01
750
850
885
276-29
757
207-18
74
174
274
374
384
276-36 132
232
532534
276-37 132
232
332
432
536
276-38 132
232
332
432
532
618
276-39 132
232
332
432
532
632
276-40 132
232
332
432
532
632
720
276-41 132
232
332
432
532
632
676
276-42 132
232
432
532
332-14
103
203
403
503
603
703
803
903
1003
1103
1203
1303
1403
15031512
332-16
103
203
303
503
603
703
803
903
1003
1103
1203
1303
1403
1503
1560
207-16
74
174
274
374
394888
659
997857
923
403
1450
1002
873
980
1972
303
1623
432
1302
332
605
A
147314 81
B C 332D
E F G
H I
J
KL
MN
OP
Q
9
BLOCK : CB-ONN-2005/6
1. BLOCK AREA 102 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 120 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
Nil
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
276-2
68
168
268
368
468470
69
169
269
369
276-28
501
601
701
801
835
393-04458
558
658
758
829
284-23C
386
486
586
686
721417-03
1
101
185
292-06
1388
1488
1588
1633
417-04
1
101
201
301
352
417-13
1
101
201
256
417-
22
295
395
495
537
417-2
3
270
370
470
512
23 00 0023 02 00
23 04 0023 06 00
23 08 0023 10 00
72 28 00 72 30 00 72 32 00 72 34 00 72 36 00
472469
72 28 00 72 30 00 72 32 00 72 34 00 72 36 00
23 0
0 00
23 0
2 00
23 0
4 00
23 0
6 00
23 0
8 00
23 1
0 00
Block Boundary
Seismic Lines
LEGEND
AB
C
D E
FG
H
IJ
K
L
M
N
O
PQ
276-3
276-2
68
168
268
368
468470
69
169
269
369
276-28
501
601
701
801
835
393-04458
558
658
758
829
284-23C
386
486
586
686
721417-03
1
101
185
292-06
1388
1488
1588
1633
417-04
1
101
201
301
352
417-13
1
101
201
256
417-
22
295
395
495
537
417-2
3
270
370
470
512
23 00 0023 02 00
23 04 0023 06 00
23 08 0023 10 00
72 28 00 72 30 00 72 32 00 72 34 00 72 36 00
472469
72 28 00 72 30 00 72 32 00 72 34 00 72 36 00
23 0
0 00
23 0
2 00
23 0
4 00
23 0
6 00
23 0
8 00
23 1
0 00
Block Boundary
Seismic Lines
LEGEND
Block Boundary
Seismic Lines
LEGEND
Block Boundary
Seismic Lines
LEGEND
AB
C
D E
FG
H
IJ
K
L
M
N
O
PQ
276-3
A CONSPICOUS ANTICLINAL FEATURE (PROSPECT) INVOLVING KALOL-KADI AND
CAMBAY SHALE FORMATIONS IS OBSERVED NE OF SP 250.
3. INTERPRETED PLAY TYPE
1000
1200
1400
1600
1800
2000
150 200 250 300 350 400 450
F
F
LINE : 276-2
T W
T
I N
M S
SP
SW NE
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
276-2
68
168
268
368
468470
69
169
269
369
27 6- 28
501
601
701
801
835
393-04458
558
658
758
829
284-23C
386
486
586
686
721417-03
1
101
185
292-06
1388
1488
1588
1633
417-04
1
101
201
301
352
417-13
1
101
201
256
417-2
2
295
395
495
537
417-
23
270
370
470
512
472469
AB
C
D E
FG
H
IJ
K
L
M
N
O
PQ
276-3
1000
1200
1400
1600
1800
2000
150 200 250 300 350 400 450
F
F
LINE : 276-2
T W
T
I N
M S
SP
SW NE
NEAR TOP OF KALOL FM
NEAR TOP OF CAMBAY SHALE
276-2
68
168
268
368
468470
69
169
269
369
27 6- 28
501
601
701
801
835
393-04458
558
658
758
829
284-23C
386
486
586
686
721417-03
1
101
185
292-06
1388
1488
1588
1633
417-04
1
101
201
301
352
417-13
1
101
201
256
417-2
2
295
395
495
537
417-
23
270
370
470
512
472469
AB
C
D E
FG
H
IJ
K
L
M
N
O
PQ
276-3
BLOCK : CB-ONN-2005/7
1. BLOCK AREA 200 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 550 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
4
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
242-27
400
500
566
242-22
51
151
186
242-23
55
155
197
242-28
412
512
568
242-25
415
515
580
242-24
52
152158
242-14
270
370
470
570578
242-16
251
351
451
513
242-05
52
152
252
352
452
552
651
243-12
50
150
250
350
450
550562
194-326
126
226
326
426
526
622
204-10260
360
460
560
660
700
204-2 180
280
380
480
580
680704
204-4
38
138
238
338
438
496
204-5
37
137
237
337
437
482
204-7 440
540
640
740
840
912
243-02
160
260
360
460
560
660
680
243-10
52
152
252270243-14
60
160
260265
243- 15470
570
640
243-16
60
160
260
243-18
50
150
250295
243-20
50
150
250
280
243-22 240
140
50
243-24
56
156
250
243-
25
53
153
253
353
453
553
600
243-26
52
152
252260
243-3
626
526
426
326
226
126
52
243-8
50
130
361-07
52
152
230
361-01
335
435
535
635
735
758
361-09
35
135
235
310
361-11
41
141
241
341
385
361-12
29
129
229
329
429
460
27
110
361-14
30
130
230
330
430450
31
131
231
331
431450
361-16
20
120
220
320
420450
361-17
21
121
221
321
421
450
361-18
110
210
310
410
450
361-19
315
415
515
615
649
379-24
27
127
227
235
361-03
35
135
220
361-05
38
138
180363-09
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1880
363-09A
550
650
730
21 52 0021 54 00
21 56 0021 58 00
22 00 0022 02 00
22 04 00
72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00
361-15
361-13
73 16 00
21 5
2 00
21 5
4 00
21 5
6 00
21 5
8 00
22 0
0 00
22 0
2 00
22 0
4 00
72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00 73 16 00
ATALI WEST-1
ATALI -1
MATAR-5
MATAR-3
MIYAGAM-1
Block Boundary
Seismic Lines
LEGEND
Wells
AB
C
D
E
FG H
I J
K
242-27
400
500
566
242-22
51
151
186
242-23
55
155
197
242-28
412
512
568
242-25
415
515
580
242-24
52
152158
242-14
270
370
470
570578
242-16
251
351
451
513
242-05
52
152
252
352
452
552
651
243-12
50
150
250
350
450
550562
194-326
126
226
326
426
526
622
204-10260
360
460
560
660
700
204-2 180
280
380
480
580
680704
204-4
38
138
238
338
438
496
204-5
37
137
237
337
437
482
204-7 440
540
640
740
840
912
243-02
160
260
360
460
560
660
680
243-10
52
152
252270243-14
60
160
260265
243- 15470
570
640
243-16
60
160
260
243-18
50
150
250295
243-20
50
150
250
280
243-22 240
140
50
243-24
56
156
250
243-
25
53
153
253
353
453
553
600
243-26
52
152
252260
243-3
626
526
426
326
226
126
52
243-8
50
130
361-07
52
152
230
361-01
335
435
535
635
735
758
361-09
35
135
235
310
361-11
41
141
241
341
385
361-12
29
129
229
329
429
460
27
110
361-14
30
130
230
330
430450
31
131
231
331
431450
361-16
20
120
220
320
420450
361-17
21
121
221
321
421
450
361-18
110
210
310
410
450
361-19
315
415
515
615
649
379-24
27
127
227
235
361-03
35
135
220
361-05
38
138
180363-09
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1880
363-09A
550
650
730
21 52 0021 54 00
21 56 0021 58 00
22 00 0022 02 00
22 04 00
72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00
361-15
361-13
73 16 00
21 5
2 00
21 5
4 00
21 5
6 00
21 5
8 00
22 0
0 00
22 0
2 00
22 0
4 00
72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00 73 16 00
ATALI WEST-1
ATALI -1
MATAR-5
MATAR-3
MIYAGAM-1
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
AB
C
D
E
FG H
I J
K
A STRUCTURAL HIGH INVOLVING OLPAD AND CAMBAY SHALE BETWEEN SP 1425-1700 AND AN ANTICLINAL INVERSION STRUCTURE INVOLVING OLPAD AND YOUNGER STRATA BETWEEN SP 1250-1450.
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL ATALI WEST-1
4. INTERPRETED PLAY TYPE
AGE FORMATION DEPTH (M)
LITHOLOGY DISCRIPTION REMARKS
PLEI
STO
CEN
EPL
IOC
ENE
Upp. Miocene – Mid.Miocene
Mid
. M
ioce
ne –
Low
. M
ioce
ne
Lower Miocene
Low. Miocene –upp. Oligocene
Uppe
r Eo
cene
–M
iddl
e Eo
cene
Lower Eocene – Paleocene
Paleocene to Upp.
CretaceousTrap
Cambay Shale
Tarkeswar
Babaguru
Ankleshwar
Kand
Jhagadia
Broach
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
Sand and Clay
Clay, Claystone, Sand and Shale
Shale and Sand
Sand and Shale
Claystone, Sand and Shale
Coal, Shale and Sand
DD : 1500 M
No fluorescenceNo Cut
AGE FORMATION DEPTH (M)
LITHOLOGY DISCRIPTION REMARKS
PLEI
STO
CEN
EPL
IOC
ENE
Upp. Miocene – Mid.Miocene
Mid
. M
ioce
ne –
Low
. M
ioce
ne
Lower Miocene
Low. Miocene –upp. Oligocene
Uppe
r Eo
cene
–M
iddl
e Eo
cene
Lower Eocene – Paleocene
Paleocene to Upp.
CretaceousTrap
Cambay Shale
Tarkeswar
Babaguru
Ankleshwar
Kand
Jhagadia
Broach
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
Sand and Clay
Clay, Claystone, Sand and Shale
Shale and Sand
Sand and Shale
Claystone, Sand and Shale
Coal, Shale and Sand
DD : 1500 M
No fluorescenceNo Cut
600
800
1000
1200
1400
1600
1800
2000
1100 1200 1300 1400 1500 1600 1700 1800
LINE : 363 – 09
T W
T
I N
M S
SP
N S
NEAR ANKLESHWAR TOP
NEAR CAMBAY SHALE TOP
BASEMENT TOP
F
F
242-27
400
500
566
242-22
51
151
186
242-23
55
155
197
242-28
412
512
568
242-25
415
515
580
242-24
52
152158
242-14
70
170
270
370
470
570578
242-16
51
151
251
351
451
513
242-05
52
152
252
352
452
552
651
243-12
50
150
250
350
450
550562
194-3 26
126
226
326
426
526
622
204-10 260
360
460
560
660
700
204-2 180
280
380
480
580
680704
204-4
38
138
238
338
438
496
204-5
37
137
237
337
437
482
204-7 440
540
640
740
840
912
243-02
160
260
360
460
560
660
680
243-10
52
152
252270243-14
60
160
260265
243-15
470
570
640
243-16
60
160
260
243-18
50
150
250295
243-20
50
150
250
280
243-22 240
140
50
243-24
56
156
250
243-
25
53
153
253
353
453
553
600
243-26
52
152
252260
243-3
626
526
426
326
226
126
52
243-8
50
130
361-07
52
152
230
361-01
335
435
535
635
735
758
361-09 35
135
235
310
361-11
41
141
241
341
385
361-12
29
129
229
329
429
460
27
110
361-14
30
130
230
330
430450
31
131
231
331
431450
361-16
20
120
220
320
420450
361-17
21
121
221
321
421
450
361-18
110
210
310
410
450
361-19
315
415
515
615
649
379-24
27
127
227
235
361-03
35
135
220
361-05
38
138
180
363-09
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1880
363-09A
550
650
730
361-15
361-13
600
800
1000
1200
1400
1600
1800
2000
1100 1200 1300 1400 1500 1600 1700 1800
LINE : 363 – 09
T W
T
I N
M S
SP
N S
NEAR ANKLESHWAR TOP
NEAR CAMBAY SHALE TOP
BASEMENT TOP
F
F
242-27
400
500
566
242-22
51
151
186
242-23
55
155
197
242-28
412
512
568
242-25
415
515
580
242-24
52
152158
242-14
70
170
270
370
470
570578
242-16
51
151
251
351
451
513
242-05
52
152
252
352
452
552
651
243-12
50
150
250
350
450
550562
194-3 26
126
226
326
426
526
622
204-10 260
360
460
560
660
700
204-2 180
280
380
480
580
680704
204-4
38
138
238
338
438
496
204-5
37
137
237
337
437
482
204-7 440
540
640
740
840
912
243-02
160
260
360
460
560
660
680
243-10
52
152
252270243-14
60
160
260265
243-15
470
570
640
243-16
60
160
260
243-18
50
150
250295
243-20
50
150
250
280
243-22 240
140
50
243-24
56
156
250
243-
25
53
153
253
353
453
553
600
243-26
52
152
252260
243-3
626
526
426
326
226
126
52
243-8
50
130
361-07
52
152
230
361-01
335
435
535
635
735
758
361-09 35
135
235
310
361-11
41
141
241
341
385
361-12
29
129
229
329
429
460
27
110
361-14
30
130
230
330
430450
31
131
231
331
431450
361-16
20
120
220
320
420450
361-17
21
121
221
321
421
450
361-18
110
210
310
410
450
361-19
315
415
515
615
649
379-24
27
127
227
235
361-03
35
135
220
361-05
38
138
180
363-09
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1880
363-09A
550
650
730
361-15
361-13
BLOCK : CB-ONN-2005/8
1. BLOCK AREA 133 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 650 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
1
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
243-3
149
52
243-
25
600
700711
204-10
261
361
430
243-4
122
222
295
204-7
440
540
615 258-25617
717
817
917
1012
204-9
180
280
370
258-23
980
880
780
680
601
258-29
574
674
774
874
974
988258-28
594
694
794
894
992
258-26585
685
785
885
9851028
204-05
300
400
482
258-24542
642
742
842
942
258-3
352
452
552
652
752
852
952
1052
1160
258-21
373
473
573
673
773
873880
258-19
412
512
612
712
812
912
10121058
258-5
372
472
510
258-9
331
431
531
631
731
831
931
1031
1133
258-11
340
440
540
640
740
840
940
10401110
258-17
440
540
640
740
840
940
10401060
258-20378
478
578
678
778
878
978
1078
1178
1278
1378
1478
15781626
258-18427
527
627727
827
908
258-16440
540
640
740
840
940956
258-14420
520
620
720
820
920
991
258-12
452
552
652
752
836
273-14
370
470
570
670
770
866
273-13
335
435
535
635
735
810
273-12
335
435
535
635
735760
273-11
320
420
520
690
273-10
295
395
590
273-20
102
202302
402502550
273-654
154
254
354
454
600
258-27
80
180
280
380
531
273-22
102
202
302
402
502
630
204-11
200
300
403
258-07
428
528
628
728
828
928
1028
1128
1208
273-16
104
204
304
404435
273-19
164
264
320
273-21
102
202
302
402
502
627
273-5
360
460
273-7
110
210
310
410
510545
273-8
206
306332
24315A
50
150
240
21 42 0021 44 00
21 46 0021 48 00
21 50 0021 52 00
21 54 00
73 04 00 73 06 00 73 08 00 73 10 00 73 12 00
962
480
620
495
602602
554
476
73 02 00
73 04 00 73 06 00 73 08 00 73 10 00 73 12 0073 02 00
21 4
2 00
21 4
4 00
21 4
6 00
21 4
8 00
21 5
0 00
21 5
2 00
21 5
4 00
A
B
C
D
E F
G
H
I
J
JEAA-1
Block Boundary
Seismic Lines
LEGEND
Wells
243-3
149
52
243-
25
600
700711
204-10
261
361
430
243-4
122
222
295
204-7
440
540
615 258-25617
717
817
917
1012
204-9
180
280
370
258-23
980
880
780
680
601
258-29
574
674
774
874
974
988258-28
594
694
794
894
992
258-26585
685
785
885
9851028
204-05
300
400
482
258-24542
642
742
842
942
258-3
352
452
552
652
752
852
952
1052
1160
258-21
373
473
573
673
773
873880
258-19
412
512
612
712
812
912
10121058
258-5
372
472
510
258-9
331
431
531
631
731
831
931
1031
1133
258-11
340
440
540
640
740
840
940
10401110
258-17
440
540
640
740
840
940
10401060
258-20378
478
578
678
778
878
978
1078
1178
1278
1378
1478
15781626
258-18427
527
627727
827
908
258-16440
540
640
740
840
940956
258-14420
520
620
720
820
920
991
258-12
452
552
652
752
836
273-14
370
470
570
670
770
866
273-13
335
435
535
635
735
810
273-12
335
435
535
635
735760
273-11
320
420
520
690
273-10
295
395
590
273-20
102
202302
402502550
273-654
154
254
354
454
600
258-27
80
180
280
380
531
273-22
102
202
302
402
502
630
204-11
200
300
403
258-07
428
528
628
728
828
928
1028
1128
1208
273-16
104
204
304
404435
273-19
164
264
320
273-21
102
202
302
402
502
627
273-5
360
460
273-7
110
210
310
410
510545
273-8
206
306332
24315A
50
150
240
21 42 0021 44 00
21 46 0021 48 00
21 50 0021 52 00
21 54 00
73 04 00 73 06 00 73 08 00 73 10 00 73 12 00
962
480
620
495
602602
554
476
73 02 00
73 04 00 73 06 00 73 08 00 73 10 00 73 12 0073 02 00
21 4
2 00
21 4
4 00
21 4
6 00
21 4
8 00
21 5
0 00
21 5
2 00
21 5
4 00
A
B
C
D
E F
G
H
I
J
JEAA-1
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
TWO FAULT BOUNDED STRUCTURAL HIGHS INVOLVING ANKLESHWAR AND OLPAD FORMATIONS SW OF SP 850.
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL JENOR-1 (JEAA)
4. INTERPRETED PLAY TYPE
AGE FORMATION DEPTH (M) LITHOLOGY
200
400
600
800
MIO
CEN
E A
ND
PO
ST M
IOC
ENE
POST
D
ADH
AR
OLIGOCENE DADHAR
UPPER TO MID EOCENE
PALEOCENE
ANKLESHWAR
OLPAD
TELW A
ARDOLKANW AHAZ AD
1000
1200
1400
1600
1800
DD : 1940 M
1695
175117561840
18671844.5
95/8” CSG AT 696.50 M
DESCRIPTIONAGE FORMATION DEPTH (M) LITHOLOGY
200
400
600
800
MIO
CEN
E A
ND
PO
ST M
IOC
ENE
POST
D
ADH
AR
OLIGOCENE DADHAR
UPPER TO MID EOCENE
PALEOCENE
ANKLESHWAR
OLPAD
TELW A
ARDOLKANW AHAZ AD
1000
1200
1400
1600
1800
DD : 1940 M
1695
175117561840
18671844.5
95/8” CSG AT 696.50 M
DESCRIPTION
1400
1600
1200
2000
2200
1800
2400
2600
1500 1300 1100 900 800 500LINE : 258 – 20
T W
T
I N
M S
SPSW NE
ANKLESHWAR TOP
OLPAD TOP
BASEMENT TOP
WELL: JENORI – 1
243-3
149
52
243-
25
600
700711
204-10
261
361
430
243-4
122
222
295
204-7
440
5 40
615 258-25
617
717
81 7
917
10 12
204-9
180
280
370
258-23
98 0
880
7 80
6 80
6 01
258-29
574
674
774
874
9 74
988
258-28
594
694
7 94
8 94
992
258-26585
68 5
785
885
9 851028
204-05
300
400
482
258-24542
642
742
842
94 2
258-3
352
452
552
652
752
852
952
1052
1160
258-21
373
473
573
673
773
873880
258-19
412
512
612
712
812
912
10121058
258-5
372
472
510
258-9
331
431
531
631
731
831
931
1031
1133
258-11
340
440
540
640
740
840
940
10401110
258-17
440
540
640
740
840
940
10401060
258-20
378
478
578
678
77 8
878
97 8
107 8
11 78
127 8
137 8
1478
157 81626
258-18427
527
627727
827
908
258-16440
540
64 0
740
840
9409 56
258-14420
520
620
720
820
92 0
991
258-12
452
552
6 52
752
8 36
273-14
370
470
570
670
770
866
273-13
335
435
535
635
735
810
273-12
335
435
535
635
735760
273-11
320
420
520
690
273-10
295
395
590
273-20
102
2023 02
4 02502550
273-654
154
254
35 4
45 4
600
258-27
80
180
2 80380
531
273-22
102
202
302
402
502
630
204-11
200
300
403
258-07
428
528
628
728
828
928
1028
1128
1208
273-16
104
204
304
404435
273-19
164
264
320
273-21
102
202
302
402
502
627
273-5
360
460
273-7
110
210
310
410
510545
273-8
206
306332
24315A
50
150
240
962
480
620
495
602602
5 54
476
A
B
C
D
E F
G
H
I
J
F
F
1400
1600
1200
2000
2200
1800
2400
2600
1500 1300 1100 900 800 500LINE : 258 – 20
T W
T
I N
M S
SPSW NE
ANKLESHWAR TOP
OLPAD TOP
BASEMENT TOP
WELL: JENORI – 1
243-3
149
52
243-
25
600
700711
204-10
261
361
430
243-4
122
222
295
204-7
440
5 40
615 258-25
617
717
81 7
917
10 12
204-9
180
280
370
258-23
98 0
880
7 80
6 80
6 01
258-29
574
674
774
874
9 74
988
258-28
594
694
7 94
8 94
992
258-26585
68 5
785
885
9 851028
204-05
300
400
482
258-24542
642
742
842
94 2
258-3
352
452
552
652
752
852
952
1052
1160
258-21
373
473
573
673
773
873880
258-19
412
512
612
712
812
912
10121058
258-5
372
472
510
258-9
331
431
531
631
731
831
931
1031
1133
258-11
340
440
540
640
740
840
940
10401110
258-17
440
540
640
740
840
940
10401060
258-20
378
478
578
678
77 8
878
97 8
107 8
11 78
127 8
137 8
1478
157 81626
258-18427
527
627727
827
908
258-16440
540
64 0
740
840
9409 56
258-14420
520
620
720
820
92 0
991
258-12
452
552
6 52
752
8 36
273-14
370
470
570
670
770
866
273-13
335
435
535
635
735
810
273-12
335
435
535
635
735760
273-11
320
420
520
690
273-10
295
395
590
273-20
102
2023 02
4 02502550
273-654
154
254
35 4
45 4
600
258-27
80
180
2 80380
531
273-22
102
202
302
402
502
630
204-11
200
300
403
258-07
428
528
628
728
828
928
1028
1128
1208
273-16
104
204
304
404435
273-19
164
264
320
273-21
102
202
302
402
502
627
273-5
360
460
273-7
110
210
310
410
510545
273-8
206
306332
24315A
50
150
240
962
480
620
495
602602
5 54
476
A
B
C
D
E F
G
H
I
J
F
F
BLOCK : CB-ONN-2005/9
1. BLOCK AREA 170 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 700 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
1
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
310-53B460
560
660
760
860
9601060
11601265
229-15
200
300
400
500
600
700718
229-13
180
280
380
480
580
680
732310-55B
410510
610710
810
910
10101106
278-7
102
202
302
402
502530
273-10
316
416
516
616
716
816831
273-11
467
567
667
767
864
273-12
456
556
656
756
848
273-13
468
568
668
768
868
968
10681094
273-22
483
683
762
258-27
238
338
438
538
638
680
273-6
375475
575
675
775
826
258-20
1404
1504
1704
1804
1829
273-20
412
512
612
712
812841
204-7A 38
138
238
338
438
470
243-17
50
150
250
350
450
550
643
243-7
50
150
250
350
450
550
650665
243-9
56
156
256
356
456
556
656
698
273-1
502
602
702
802
902
1002
1072
273-15
460
560
660
760
860
960
1060
1160
1195
273-17
660
760
860912
273-18
400
500
600
700
800
900
10001100
12001245
273-3
510
610
710
810
910
101011101142
273-4
410
510
610
710
810
910
1010
11101128
273-9
610
710
810823
A_204-7
38
138
220
A_243-02
1000
1100
1200
1300
1375
A_243-10
590
690
790
890
948
A_243-14
580
680
780
880
920
A_243-16
575
675
775
875
961
A_243-18
625
725
825
925
971
A_243-20
540
640
740
840
940965
A_243-22
1012
912
812
712
612
512
A_243-24
560
660
760
860
964
A_243-26
480
580
680
780
880
931
A_243-4
510
610
710
810
910
951
A_243-8
345
445
545
645
745
796
A_273-2
730
830
930
1030
1130
1230
1330
1430
1534
21 42 0021 44 00
21 46 0021 48 00
21 50 0021 52 00
21 54 0021 56 00
21 58 00
72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00
525
425440
450460
900
475480
490
402
630
510
1604
583
73 06 00
72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00 73 06 00
21 4
2 00
21 4
4 00
21 4
6 00
21 4
8 00
21 5
0 00
21 5
2 00
21 5
4 00
21 5
6 00
21 5
8 00
G H
F
I
A
B
C
D
E
Broach-6
Block Boundary
Seismic Lines
LEGEND
Wells
310-53B460
560
660
760
860
9601060
11601265
229-15
200
300
400
500
600
700718
229-13
180
280
380
480
580
680
732310-55B
410510
610710
810
910
10101106
278-7
102
202
302
402
502530
273-10
316
416
516
616
716
816831
273-11
467
567
667
767
864
273-12
456
556
656
756
848
273-13
468
568
668
768
868
968
10681094
273-22
483
683
762
258-27
238
338
438
538
638
680
273-6
375475
575
675
775
826
258-20
1404
1504
1704
1804
1829
273-20
412
512
612
712
812841
204-7A 38
138
238
338
438
470
243-17
50
150
250
350
450
550
643
243-7
50
150
250
350
450
550
650665
243-9
56
156
256
356
456
556
656
698
273-1
502
602
702
802
902
1002
1072
273-15
460
560
660
760
860
960
1060
1160
1195
273-17
660
760
860912
273-18
400
500
600
700
800
900
10001100
12001245
273-3
510
610
710
810
910
101011101142
273-4
410
510
610
710
810
910
1010
11101128
273-9
610
710
810823
A_204-7
38
138
220
A_243-02
1000
1100
1200
1300
1375
A_243-10
590
690
790
890
948
A_243-14
580
680
780
880
920
A_243-16
575
675
775
875
961
A_243-18
625
725
825
925
971
A_243-20
540
640
740
840
940965
A_243-22
1012
912
812
712
612
512
A_243-24
560
660
760
860
964
A_243-26
480
580
680
780
880
931
A_243-4
510
610
710
810
910
951
A_243-8
345
445
545
645
745
796
A_273-2
730
830
930
1030
1130
1230
1330
1430
1534
21 42 0021 44 00
21 46 0021 48 00
21 50 0021 52 00
21 54 0021 56 00
21 58 00
72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00
525
425440
450460
900
475480
490
402
630
510
1604
583
73 06 00
72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00 73 06 00
21 4
2 00
21 4
4 00
21 4
6 00
21 4
8 00
21 5
0 00
21 5
2 00
21 5
4 00
21 5
6 00
21 5
8 00
G H
F
I
A
B
C
D
E
Broach-6
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
A STRATIGRAPHIC PINCHOUT, INVOLVING BASAL PART OF OLPAD FORMATION, AND AN ANTICLINAL FEATURE INVOLVING ANKLESHWAR AND OLPAD FORMATIONS.
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL BROACH-6
4. INTERPRETED PLAY TYPE
~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~
AGE FORMATIONDEPTH (M)
LITHOLOGY DISCRIPTION
AGE
1000
2000
3000
M I
O C
E N
E
-R
E C
E N
TEO
CEN
EM
ID -
LATE
EAR
LY
GUJARAT ALLUVIUM
JAMBUSAR
BROACH
JHAGADIA
KAND
BABAGURU
TARKESHWAR
DADHAR
ANKLESHWAR
CAMBAY SHALE
Alluvium, Clay / Claystone, Gravel, Sand and Shale
Sand, Shale
Sand, Shale
Shale with Minor Sand
TD : 3302.38 m
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~
AGE FORMATIONDEPTH (M)
LITHOLOGY DISCRIPTION
AGE
1000
2000
3000
M I
O C
E N
E
-R
E C
E N
TEO
CEN
EM
ID -
LATE
EAR
LY
GUJARAT ALLUVIUM
JAMBUSAR
BROACH
JHAGADIA
KAND
BABAGURU
TARKESHWAR
DADHAR
ANKLESHWAR
CAMBAY SHALE
Alluvium, Clay / Claystone, Gravel, Sand and Shale
Sand, Shale
Sand, Shale
Shale with Minor Sand
TD : 3302.38 m
1500
1750
2000
2250
2500
2750
3000
3250
3500
1400 1300 1200 1100 1000 900 800 700LINE : A_273-2
T W
T
I N
M S
SP
NNW SSE
ANKLESHWAR TOP
OLPAD TOP
BASEMENT TOP
310-53B460
560
660
760
860
9601060
11601265
229-15
200
300
400
500
600
700718
229-13
180
280
380
480
580
680
732
310-55B
410
510
610
710
810
910
10 101 106
278-7
102
202
302
402
502530
273-10
316
416
516
616
716
816831
273-11
467
567
667
767
864
273-12
456
556
656
756
848
273-13
468
568
668
768
868
968
10681094
273-22
483
683
762
258-27
238
3 38
43 8
5 38
63 8
68 0
273-6
37547 5
5 75
675
775826
258-20
1404
150 4
170 4
18 041 829
273-20
412
5 12
612
71 2
81 28 41
204-7A 38
138
238
338
438
470
243-17
50
150
250
350
450
550
643
243-7
50
150
250
350
450
550
650665
243-9
56
156
256
356
456
556
656
698
273-1
502
602
702
802
902
1002
1072
273-15
460
560
660
760
860
960
1060
1160
1195
273-17
660
760
860
912
273-18
400
500
600
700
800
900
1000
1100
12001245
273-3
510
610
710
810
910
1010
11101142
273-4
410
510
610
710
810
910
1010
11101128
273-9
610
710
810823
A_204-7
38
138
220
A_243-02
1000
1100
1200
1300
1375
A_243-10
590
690
790
890
948
A_243-14
580
680
780
880
920
A_243-16
575
675
775
875
961
A_243-18
625
725
825
925
971
A_243-20
540
640
740
840
940965
A_243-22
1012
912
812
712
612
512
A_243-24
560
660
760
860
964
A_243-26
480
580
680
780
880
931
A_243-4
510
610
710
810
910
951
A_243-8
345
445
545
645
745
796
A_273-2
730
830
930
1030
1130
1230
1330
1430
1534
525
425440
450460
900
475480
490
402
630
510
1604
583
GH
F
I
A
B
C
D
E
F
FPINCHOUT PROSPECT
1500
1750
2000
2250
2500
2750
3000
3250
3500
1400 1300 1200 1100 1000 900 800 700LINE : A_273-2
T W
T
I N
M S
SP
NNW SSE
ANKLESHWAR TOP
OLPAD TOP
BASEMENT TOP
310-53B460
560
660
760
860
9601060
11601265
229-15
200
300
400
500
600
700718
229-13
180
280
380
480
580
680
732
310-55B
410
510
610
710
810
910
10 101 106
278-7
102
202
302
402
502530
273-10
316
416
516
616
716
816831
273-11
467
567
667
767
864
273-12
456
556
656
756
848
273-13
468
568
668
768
868
968
10681094
273-22
483
683
762
258-27
238
3 38
43 8
5 38
63 8
68 0
273-6
37547 5
5 75
675
775826
258-20
1404
150 4
170 4
18 041 829
273-20
412
5 12
612
71 2
81 28 41
204-7A 38
138
238
338
438
470
243-17
50
150
250
350
450
550
643
243-7
50
150
250
350
450
550
650665
243-9
56
156
256
356
456
556
656
698
273-1
502
602
702
802
902
1002
1072
273-15
460
560
660
760
860
960
1060
1160
1195
273-17
660
760
860
912
273-18
400
500
600
700
800
900
1000
1100
12001245
273-3
510
610
710
810
910
1010
11101142
273-4
410
510
610
710
810
910
1010
11101128
273-9
610
710
810823
A_204-7
38
138
220
A_243-02
1000
1100
1200
1300
1375
A_243-10
590
690
790
890
948
A_243-14
580
680
780
880
920
A_243-16
575
675
775
875
961
A_243-18
625
725
825
925
971
A_243-20
540
640
740
840
940965
A_243-22
1012
912
812
712
612
512
A_243-24
560
660
760
860
964
A_243-26
480
580
680
780
880
931
A_243-4
510
610
710
810
910
951
A_243-8
345
445
545
645
745
796
A_273-2
730
830
930
1030
1130
1230
1330
1430
1534
525
425440
450460
900
475480
490
402
630
510
1604
583
GH
F
I
A
B
C
D
E
F
FPINCHOUT PROSPECT
BLOCK : CB-ONN-2005/10
1. BLOCK AREA 270 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 1600 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
2
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
G278-05
103
303
362
G278-12
303
503
703
903
949
G278-08
103
303
503
852
G278-14140
340
540
720
G278-15
103
303
503
610
G278-17
103
303
431
G278-06
103
303
G278-07
160
360
472
G278-10
103
303
321
G278-13
103
493
G278-01
101
301
501516
G278-02
103
303
503
679
G278-16
179
379
579
615
G278-09
103
503
703
770
G195-18
320
425
G195-23
280
405
G204-07A
74
200
G217- 01927
801
G217-02360
160G217-12
602
440G217-14726
526
500
G217-15 380
180
102
G227-14
820
998
G227-15
720
920
G227-22
720
920
1099G229-01620
420
260
G229-02
250
450460
G229-03300
691
G229-04
862
662
462
262
180
G229-05858
658
458
258
140
G229-06
853
653
453
253
120
G229-07
280
480
624
G229- 08
400
600
697
G229-09
380
580
622
G229-10
460
660
706
G229-11
51
251
451
630
G229-12
51
251
451
651
686
G229-13
1272
1072
872
672
520
G229-14 858
658
458
258
62
G229-15
1303
1103
903
703
500
G229-16 844
644
444
244
51
G229-18 380
180
51
G229- 19
51
240
G229-21
480
280
180
G241-03
700
900
G241-04 600
800
10 00
1 01 9
G241-05 600
800
1 00 0 10 50
G241-06 620
820
1029
G241-07 620
820
1020
1059
G24
1-10
500
680
G241-17 740
940
1140
1199
G241-19
760
960
975
G243-05
667
467
280
G243-07
663
463
G243-12
905
705 680
G243-16
963
840
G243-18
971
771
700
G243-2
1376
1260
G243-20
765
720
G243-221012
800
G243-24967
800
G243-26
935
830
G259-01720
520
320
196
G259-02640
440G259-15
560
360
196
G259-16480
280
196
G273-04
1128
940
G300-01500
700
900
1100
1300
1316
G300-02
560
960
1360
1400
G300- 03
107
307
707
907
1107
G300-04
640
840
1040
1240
1406
G300-05
740
940
1140
1340
1392
G300-06
820
1020
1220
1331
G300-07520
320
120107
G300-08
520
320
120105
G300-091404
1204
1004
804
604
404
204
107
G300- 10
180
380
580
780
980
1180
13801390
G300-11 1400
1200
1020
G300-121442
1242
1042
842
442
242
107
G300-131442
1242
1042
842
642
442
280
G300-14
1472
1272
1072
872
672
472
360
G310-53B
1420
1220
1020
920
G310-RL-5
5B
1931
1731
1531
1331
1160
G314-RL-55
1620
1820
2220
2314
G24
1 -08
304
504
704
740
G24
1-09
300
500
700
720
G241-20
1119
1319
1419
2900
3100
3300
3500
3595
G32
0-R
L-18
340
540
740
940
1140
1340
1540
1740
1878
G22
7-03
344
544
720
G22
7-04
98
319
G22
7-05
359
559
792
G22
7-06
149
349
G22
7-07
366
566
631
G227-16
375
569
G22
7-21
354
547
21 44 0021 46 00
21 48 0021 50 00
21 52 0021 54 00
21 56 0021 58 00
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
320
10050
507
965
642
103
3031260
503541
703
303
1160
2020
620520
759
G32
0-20
536
500
760
AB
CD
E F
G
H I
JK
L M
OP
Q
N
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
21 4
4 00
21 4
6 00
21 4
8 00
21 5
0 00
21 5
2 00
21 5
4 00
21 5
6 00
21 5
8 00
Pakhajan-3
Gandhar-172
Block Boundary
Seismic Lines
LEGEND
Wells
G278-05
103
303
362
G278-12
303
503
703
903
949
G278-08
103
303
503
852
G278-14140
340
540
720
G278-15
103
303
503
610
G278-17
103
303
431
G278-06
103
303
G278-07
160
360
472
G278-10
103
303
321
G278-13
103
493
G278-01
101
301
501516
G278-02
103
303
503
679
G278-16
179
379
579
615
G278-09
103
503
703
770
G195-18
320
425
G195-23
280
405
G204-07A
74
200
G217- 01927
801
G217-02360
160G217-12
602
440G217-14726
526
500
G217-15 380
180
102
G227-14
820
998
G227-15
720
920
G227-22
720
920
1099G229-01620
420
260
G229-02
250
450460
G229-03300
691
G229-04
862
662
462
262
180
G229-05858
658
458
258
140
G229-06
853
653
453
253
120
G229-07
280
480
624
G229- 08
400
600
697
G229-09
380
580
622
G229-10
460
660
706
G229-11
51
251
451
630
G229-12
51
251
451
651
686
G229-13
1272
1072
872
672
520
G229-14 858
658
458
258
62
G229-15
1303
1103
903
703
500
G229-16 844
644
444
244
51
G229-18 380
180
51
G229- 19
51
240
G229-21
480
280
180
G241-03
700
900
G241-04 600
800
10 00
1 01 9
G241-05 600
800
1 00 0 10 50
G241-06 620
820
1029
G241-07 620
820
1020
1059
G24
1-10
500
680
G241-17 740
940
1140
1199
G241-19
760
960
975
G243-05
667
467
280
G243-07
663
463
G243-12
905
705 680
G243-16
963
840
G243-18
971
771
700
G243-2
1376
1260
G243-20
765
720
G243-221012
800
G243-24967
800
G243-26
935
830
G259-01720
520
320
196
G259-02640
440G259-15
560
360
196
G259-16480
280
196
G273-04
1128
940
G300-01500
700
900
1100
1300
1316
G300-02
560
960
1360
1400
G300- 03
107
307
707
907
1107
G300-04
640
840
1040
1240
1406
G300-05
740
940
1140
1340
1392
G300-06
820
1020
1220
1331
G300-07520
320
120107
G300-08
520
320
120105
G300-091404
1204
1004
804
604
404
204
107
G300- 10
180
380
580
780
980
1180
13801390
G300-11 1400
1200
1020
G300-121442
1242
1042
842
442
242
107
G300-131442
1242
1042
842
642
442
280
G300-14
1472
1272
1072
872
672
472
360
G310-53B
1420
1220
1020
920
G310-RL-5
5B
1931
1731
1531
1331
1160
G314-RL-55
1620
1820
2220
2314
G24
1 -08
304
504
704
740
G24
1-09
300
500
700
720
G241-20
1119
1319
1419
2900
3100
3300
3500
3595
G32
0-R
L-18
340
540
740
940
1140
1340
1540
1740
1878
G22
7-03
344
544
720
G22
7-04
98
319
G22
7-05
359
559
792
G22
7-06
149
349
G22
7-07
366
566
631
G227-16
375
569
G22
7-21
354
547
21 44 0021 46 00
21 48 0021 50 00
21 52 0021 54 00
21 56 0021 58 00
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
320
10050
507
965
642
103
3031260
503541
703
303
1160
2020
620520
759
G32
0-20
536
500
760
AB
CD
E F
G
H I
JK
L M
OP
Q
N
72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
21 4
4 00
21 4
6 00
21 4
8 00
21 5
0 00
21 5
2 00
21 5
4 00
21 5
6 00
21 5
8 00
Pakhajan-3
Gandhar-172
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
THINNING OF CAMBAY SHALE TOWARDS SE AND FORMATION OF A STRATIGRAPHIC PINCHOUT PROSPECT.
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL PAKHAJAN – 3
4. INTERPRETED PLAY TYPE
~~ ~~ ~~ ~~~~~~~~
~~
~~~~
~~ ~~ ~~ ~~~~~~ ~~ ~~ ~~
~~~~~~~~
AGE FORMATION DEPTH(m) LITHOLOGY DISCRIPTION REMARKS
PLIOCENE
UPPER
MIOCNE
MIDDLE
MIOCNE
LOWER
MIOCNE
LOWER
MIOCNE
OLIGOCENE
UPP
ER E
OC
ENE
TO
MID
DLE
EOC
ENE
LOWER EOCNE
CAMB AY SHALE
A N
K L
E S
W A
R
DADHAR
TARKESHW AR
BABA
GUR
UK
A
N
D
JHAGADIA
JAMBUSARAND
BROACH1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
DD : 3925m
Pebble and Claystone
Claystone, Siltstone, Sand and Shale
Shale, Claystone
Siltstone and Sand
Shale and Sand
Claystone and Sand
Shale and Siltstone
Shale and Sandstone
Shale
Golden Yellow flo
*Very strong sol. cut
~~ ~~ ~~ ~~~~~~~~
~~
~~~~
~~ ~~ ~~ ~~~~~~ ~~ ~~ ~~
~~~~~~~~
AGE FORMATION DEPTH(m) LITHOLOGY DISCRIPTION REMARKS
PLIOCENE
UPPER
MIOCNE
MIDDLE
MIOCNE
LOWER
MIOCNE
LOWER
MIOCNE
OLIGOCENE
UPP
ER E
OC
ENE
TO
MID
DLE
EOC
ENE
LOWER EOCNE
CAMB AY SHALE
A N
K L
E S
W A
R
DADHAR
TARKESHW AR
BABA
GUR
UK
A
N
D
JHAGADIA
JAMBUSARAND
BROACH1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
DD : 3925m
Pebble and Claystone
Claystone, Siltstone, Sand and Shale
Shale, Claystone
Siltstone and Sand
Shale and Sand
Claystone and Sand
Shale and Siltstone
Shale and Sandstone
Shale
Golden Yellow flo
*Very strong sol. cut
2000
2500
3000
3500
4000
700 800 900 1000 1100 1200 1300LINE : G300-10
T W
T
I N
M S
SP
NW SE
NEAR ANKLESHWAR TOP
NEAR CAMBAY SHALE TOP
G278-05
103
303
362
G278-12
303
503
703
903949
G278-08
103
303
503
852
G278-14
140
340
540
720
G278-15
103
303
503
610
G278-17
103
303
431
G278-06103
30 3
G278-07
160
3 60
472
G278-10
103
30332
1
G278-13
103
493
G278-01
101
301
501516
G278-02
103
303
503
679
G278-16
179
379
579
615
G278-09
103
503
703
770
G195-18
320
425
G195-23
280
405
G204-07A
74
200
G217-01
927
801
G217-02 360
160G217-12
602
440G217-14
726
526
500
G217-15 380
180
102
G227-14
820
998
G227-15
720
920
G227-22
720
920
1099
G229-01620
420
260
G229-02
250
450460
G229-03
300
691
G229-04
862
662
462
262
180
G229-05858
658
458
258
140
G229-06
853
653
453
253
120
G229-07
280
480
624
G229-08
400
600
697
G229-09
380
580
622
G229-10
460
660
706
G229-11
51
251
451
630
G229-12
51
251
451
651
686
G229-13
1272
1072
872
672
520
G229-14 858
658
458
258
62
G229-15
1303
1103
903
703
500
G229-16 844
644
444
244
51
G229-18380
180
51
G229-19
51
240
G229-21
480
280
180
G241-03
700
900
G241-04 600
800
1000
1019
G241-05 600
800
1000 1050
G241-06 620
820
1029
G241-07 620
82 0
1020
1059
G24
1-10
500
680
G241-17 740
940
11 40
1199
G241-19
760
9 60
97 5
G243-05
667
467
280
G243-07
663
463
G243-12
905
705 680
G243-16
963
840
G243-18
971
771
700
G243-2 1376
1260
G243-20
765
720
G243-22 1012
800
G243-24967
800
G243-26
935
830
G259-01720
520
320
196
G259-02 640
440G259 -15
560
360
196
G259-16
480
280
196
G273-04
1128
940
G300-01
500
700
900
1100
13001316
G300-02
560
960
1360
1400
G300-03
107
307
707
907
1107
G300-04
640
840
1040
1240
1406
G300-05
740
940
1140
1340
1392
G300-06
820
1020
1220
1331
G300-07520
320
120107
G300-08
520
320
120105
G300-091404
1204
1004
804
604
404
204
107
G300-10
180
380
580
780
980
1180
13801390
G300-11 1400
1200
1020
G300-12 1442
1242
1042
842
442
242
107
G300-131442
1242
1042
842
642
442
280
G300-14
1472
1272
1072
872
672
472
360
G310-53B
1420
1 220
1020
920
G310-RL-55
B
1931
1731
1531
1331
1160
G314-RL-55
1620
1820
2220
2314
G24
1-08
304
504
704
740
G2 4
1-09
300
500
700
720
G241-20
1119
1319
1419
2900
3100
3300
3500
3595
G32
0-RL
-18
340
540
740
940
1140
1340
1540
1740
1878
G22
7-03
344
544
720
G22
7-04
98
319
G22
7-05
359
559
792
G22
7-06
149
349
G22
7-07
366
566
631
G227-16
375
569
G22
7-21
354
547
320
100
50
507
965
642
103
3031260
503541
703
303
1160
2020
620520
759
G3 2
0-20
536
500
760
AB
CD
E F
G
H I
JK
L M
OP
Q
N
PINCHOUT PROSPECT
2000
2500
3000
3500
4000
700 800 900 1000 1100 1200 1300LINE : G300-10
T W
T
I N
M S
SP
NW SE
NEAR ANKLESHWAR TOP
NEAR CAMBAY SHALE TOP
G278-05
103
303
362
G278-12
303
503
703
903949
G278-08
103
303
503
852
G278-14
140
34 0
540
72 0
G278-15
103
303
503
610
G278-17
103
303
431
G278-06103
30 3
G278-07
160
3 60
472
G278-10
103
30332
1
G278-13
103
493
G278-01
101
301
501516
G278-02
103
303
503
679
G278-16
179
379
579
615
G278-09
103
503
703
770
G195-18
320
425
G195-23
280
405
G204-07A
74
200
G217-01
927
801
G217-02 360
160G217-12
602
440G217-14
726
526
500
G217-15 380
180
102
G227-14
820
998
G227-15
720
920
G227-22
720
920
1099
G229-01620
420
260
G229-02
250
450460
G229-03
300
691
G229-04
862
662
462
262
180
G229-05858
658
458
258
140
G229-06
853
653
453
253
120
G229-07
280
480
624
G229-08
400
600
697
G229-09
380
580
622
G229-10
460
660
706
G229-11
51
251
451
630
G229-12
51
251
451
651
686
G229-13
1272
1072
872
672
520
G229-14 858
658
458
258
62
G229-15
1303
1103
903
703
500
G229-16 844
644
444
244
51
G229-18380
180
51
G229-19
51
240
G229-21
480
280
180
G241-03
700
900
G241-04 600
800
1000
1019
G241-05 600
800
1000 1050
G241-06 620
820
1029
G241-07 620
82 0
1020
1059
G24
1-10
500
680
G241-17 740
940
11 40
1199
G241-19
760
9 60
97 5
G243-05
667
467
280
G243-07
663
463
G243-12
905
705 680
G243-16
963
840
G243-18
971
771
700
G243-2 1376
1260
G243-20
765
720
G243-22 1012
800
G243-24967
800
G243-26
935
830
G259-01720
520
320
196
G259-02 640
440G259 -15
560
360
196
G259-16
480
280
196
G273-04
1128
940
G300-01
500
700
900
1100
13001316
G300-02
560
960
1360
1400
G300-03
107
307
707
907
1107
G300-04
640
840
1040
1240
1406
G300-05
740
940
1140
1340
1392
G300-06
820
1020
1220
1331
G300-07520
320
120107
G300-08
520
320
120105
G300-091404
1204
1004
804
604
404
204
107
G300-10
180
380
580
780
980
1180
13801390
G300-11 1400
1200
1020
G300-12 1442
1242
1042
842
442
242
107
G300-131442
1242
1042
842
642
442
280
G300-14
1472
1272
1072
872
672
472
360
G310-53B
1420
1 220
1020
920
G310-RL-55
B
1931
1731
1531
1331
1160
G314-RL-55
1620
1820
2220
2314
G24
1-08
304
504
704
740
G2 4
1-09
300
500
700
720
G241-20
1119
1319
1419
2900
3100
3300
3500
3595
G32
0-RL
-18
340
540
740
940
1140
1340
1540
1740
1878
G22
7-03
344
544
720
G22
7-04
98
319
G22
7-05
359
559
792
G22
7-06
149
349
G22
7-07
366
566
631
G227-16
375
569
G22
7-21
354
547
320
100
50
507
965
642
103
3031260
503541
703
303
1160
2020
620520
759
G3 2
0-20
536
500
760
AB
CD
E F
G
H I
JK
L M
OP
Q
N
PINCHOUT PROSPECT
BLOCK : CB-ONN-2005/11
1. BLOCK AREA 257 Sq. Km. (Approx.)
2. EXISTING DATA BASE
2.1 SEISMIC DATA 2D : 850 LKM
2.2 OTHER SURVEYS GM Surveys : (Entire block)
2.3 WELL DATA
Number of exploratory wells Hydrocarbon Discoveries
3
Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.
G278-10
G214-38
754
860
G24
1 -08
98
298
389
G22
7 -03
98
449
G227-17 540
740
940
1061
G22
7 -6
98
249
G22
7-7
98
298
499
G32
0-20
3360
3560
3760
3960
4193
G22
7 -21
98
298
474
G32
0-RL
-18
1750
1950
2150
23502361
G278-09
650
850
920
G278-06
300
500
700
900
1100
1300
1500
1640
G278-07
340
540
740
940
11401158
G278-17
280
480
680
880
1080
1294
G278-15
430
630
830
1030
1230
1430
1540
G278-14
530
730
930
1130
1330
1530
1660
G278-08
640
840
1040
1240
1440
1640
1742
G278-12
777
977
1177
1377
1577
1784
G314-RL-55
1620
1820
2020
2115
G227-16
360
518
G278-16
400
600
800
1010
G278- 02
500
700
900
1100
1151
G278-01
360
560
760
960
1114
G300-04
1240
1406
G278-13
340
540
740
940
1109
G300-02
1130
1330
1400
G300-01
1065
1265
1316
G300-14
1290
1472G227-1898
298
498
541
G241-20
1040
1240
1419
G227-19 98
298
498
608G241-21 980
1180
1378
G273-181245
1040
G278-03
180
380
580
780
850
G278-04
103
303
503
703
808
G278-05
103
303
503
703
903
986
103
303
503
703
894
G278-11
420
620
820
1050
G320-RL-57
3487
3287
3087
2887
2687
2487
2287
2087
1960
G22
7-23
98
298
353
G22
7 -5
98
298
451
G22
7 -8
98
298
322
21 38 0021 40 00
21 42 0021 44 00
21 46 00
72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
298
160
72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
21 3
8 00
21 4
0 00
21 4
2 00
21 4
4 00
21 4
6 00
A
B
C
EGH
I
D
F
JK
LM
N
Pakhajan-10
Pakhajan-12
Gandhar-315
Block Boundary
Seismic Lines
LEGEND
Wells
G278-10
G214-38
754
860
G24
1 -08
98
298
389
G22
7 -03
98
449
G227-17 540
740
940
1061
G22
7 -6
98
249
G22
7-7
98
298
499
G32
0-20
3360
3560
3760
3960
4193
G22
7 -21
98
298
474
G32
0-RL
-18
1750
1950
2150
23502361
G278-09
650
850
920
G278-06
300
500
700
900
1100
1300
1500
1640
G278-07
340
540
740
940
11401158
G278-17
280
480
680
880
1080
1294
G278-15
430
630
830
1030
1230
1430
1540
G278-14
530
730
930
1130
1330
1530
1660
G278-08
640
840
1040
1240
1440
1640
1742
G278-12
777
977
1177
1377
1577
1784
G314-RL-55
1620
1820
2020
2115
G227-16
360
518
G278-16
400
600
800
1010
G278- 02
500
700
900
1100
1151
G278-01
360
560
760
960
1114
G300-04
1240
1406
G278-13
340
540
740
940
1109
G300-02
1130
1330
1400
G300-01
1065
1265
1316
G300-14
1290
1472G227-1898
298
498
541
G241-20
1040
1240
1419
G227-19 98
298
498
608G241-21 980
1180
1378
G273-181245
1040
G278-03
180
380
580
780
850
G278-04
103
303
503
703
808
G278-05
103
303
503
703
903
986
103
303
503
703
894
G278-11
420
620
820
1050
G320-RL-57
3487
3287
3087
2887
2687
2487
2287
2087
1960
G22
7-23
98
298
353
G22
7 -5
98
298
451
G22
7 -8
98
298
322
21 38 0021 40 00
21 42 0021 44 00
21 46 00
72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
298
160
72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00
21 3
8 00
21 4
0 00
21 4
2 00
21 4
4 00
21 4
6 00
A
B
C
EGH
I
D
F
JK
LM
N
Pakhajan-10
Pakhajan-12
Gandhar-315
Block Boundary
Seismic Lines
LEGEND
Wells
Block Boundary
Seismic Lines
LEGEND
Wells
THINNING AND SHALLOWING OF OLPAD AND CAMBAY SHALE FORMATIONS TOWARDS SE, i.e., AT SOUTHERN FLANK OF BROACH DEPRESSION.
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL PAKHAJAN – 12
4. INTERPRETED PLAY TYPE
AGE FORMATION DEPTH(m)
LITHOLOGY DISCRIPTION REMARKS
3200
3300
3400
3500
3600
3700
3800
3900
POST
OLIGOCENE
O L
I G
O C
E N
EUP
PER
EO
CEN
E T
O
MID
DLE
M
IOC
ENE
LOWER
EOCENE
P O
S T
D
A D
H A
RD
A
D
H
A
R
A
N
K
L
E
S
W
A
R
CAMBAYSHALE
~~ ~~
~~~~~~ ~~
~~~~~~ ~~~~ ~~
~~
~~~~
~~
~~~~
~~~~
~~ ~~
~~~~
DD : 4000m
*Moderatesol. cut
Clay, Claystone, Shale
and Siltstone
Sand, Shale and
Siltstone
Sand and Shale
Shale and Sand
AGE FORMATION DEPTH(m)
LITHOLOGY DISCRIPTION REMARKS
3200
3300
3400
3500
3600
3700
3800
3900
POST
OLIGOCENE
O L
I G
O C
E N
EUP
PER
EO
CEN
E T
O
MID
DLE
M
IOC
ENE
LOWER
EOCENE
P O
S T
D
A D
H A
RD
A
D
H
A
R
A
N
K
L
E
S
W
A
R
CAMBAYSHALE
~~ ~~
~~~~~~ ~~
~~~~~~ ~~~~ ~~
~~
~~~~
~~
~~~~
~~~~
~~ ~~
~~~~
DD : 4000m
*Moderatesol. cut
Clay, Claystone, Shale
and Siltstone
Sand, Shale and
Siltstone
Sand and Shale
Shale and Sand
2750
3000
3250
3500
3750
4000
4250
4500
4750
200 300 400 500 600 700 800 900LINE : G278 – 05
T W
T
I N
M S
SP
NW SE
2500
W ELL: PAKH AJAN-12
NEAR ANKLESHWAR TOP
NEAR CAMBAY SHALE TOP
NEAR OLPAD TOP
W ELL: PAKH AJAN-10
G278-10
G214-38
754
860
G24
1-08
98
298
389
G22
7-03
98
449
G227-17540
740
940
1061
G22
7-6
98
249
G22
7-7
98
298
499
G32
0 -20
3360
3560
3760
3960
4193
G22
7-21
98
298
474
G32
0-R
L-18
1750
1950
2150
23502361
G278-09
650
850
920
G278-06
300
500
700
900
1100
1300
1500
1640
G278-07
340
540
740
940
1140
1158
G278-17
280
480
680
880
1080
1294
G278-15
430
630
830
1030
1230
1430
1540
G278-14
530
730
930
1130
1330
1530
1660
G278-08
640
840
1040
1240
1440
1640
1742
G278-12
777
977
1177
1377
1577
1784
G314-RL-55
1620
1820
2020
2115
G227-16
360
518
G278-16
400
600
800
1010
G278-02
500
700
900
1100
1151
G278-01
360
560
760
960
1114
G300-04
1240
1406
G278-13
340
540
740
940
1109
G300-02
1130
1330
1400
G300-01
1065
1265
1316
G300-14
1290
1472
G227-1898
298
498
541
G241-20
1040
1240
1419
G227-19 98
298
498
608G241-21 980
1180
1378
G273-181245
1040
G278-03
180
380
580
780
850
G278-04
103
303
503
703
808
G278-05
103
303
503
703
903
986
103
303
503
703
894
G278-11
420
620
820
1050
G320-RL-57
3487
3287
3087
2887
2687
2487
2287
2087
1960
G22
7-23
98
298
353
G22
7-5
98
298
451
G22
7-8
98
298
322
298
160
A
B
C
EG
HI
D
F
JK
LM
N
2750
3000
3250
3500
3750
4000
4250
4500
4750
200 300 400 500 600 700 800 900LINE : G278 – 05
T W
T
I N
M S
SP
NW SE
2500
W ELL: PAKH AJAN-12
NEAR ANKLESHWAR TOP
NEAR CAMBAY SHALE TOP
NEAR OLPAD TOP
W ELL: PAKH AJAN-10
G278-10
G214-38
754
860
G24
1-08
98
298
389
G22
7-03
98
449
G227-17540
740
940
1061
G22
7-6
98
249
G22
7-7
98
298
499
G32
0 -20
3360
3560
3760
3960
4193
G22
7-2 1
98
298
474
G32
0-R
L-18
1750
1950
2150
23502361
G278-09
650
850
920
G278-06
300
500
700
900
1100
1300
1500
1640
G278-07
340
540
740
940
1140
1158
G278-17
280
480
680
880
1080
1294
G278-15
430
630
830
1030
1230
1430
1540
G278-14
530
730
930
1130
1330
1530
1660
G278-08
640
840
1040
1240
1440
1640
1742
G278-12
777
977
1177
1377
1577
1784
G314-RL-55
1620
1820
2020
2115
G227-16
360
518
G278-16
400
600
800
1010
G278-02
500
700
900
1100
1151
G278-01
360
560
760
960
1114
G300-04
1240
1406
G278-13
340
540
740
940
1109
G300-02
1130
1330
1400
G300-01
1065
1265
1316
G300-14
1290
1472
G227-1898
298
498
541
G241-20
1040
1240
1419
G227-19 98
298
498
608G241-21 980
1180
1378
G273-181245
1040
G278-03
180
380
580
780
850
G278-0410
3
303
503
703
808
G278-05
103
303
503
703
903
986
103
303
503
703
894
G278-11
420
620
820
1050
G320-RL-57
3487
3287
3087
2887
2687
2487
2287
2087
1960
G22
7-23
98
298
353
G22
7-5
98
298
451
G22
7-8
98
298
322
298
160
A
B
C
EG
HI
D
F
JK
LM
N
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