by-19_ddr_2013-11-07

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Well Name: Bibiyana -19

Chevron Bangladesh Drilling Morning Report

Report Printed : 11/8/2013

Date: 11/7/2013

Slot: 7

SBU Drilling Well Category : Drlg Well Category 1

Rig: WDI 801 End Date:

Days Since Last DAFW / RI Case : 1,094 / 138

Total Time: 19.67

Time from Spud: 19.06

Rpt No: 21

Hours: 24.00

Depth End (MD) (mKB): 3,038 TVD End (mKB): 2,761.43

Field Name

BibiyanaOriginal Spud Date

6/13/2013Country

BangladeshWater Depth (m) Original KB to Mud Line (m)

Actual Start Date

7/19/2013 08:30Actual End Date Target Depth (MD) (mKB)

4,410Target Depth (TVD) (mKB)

3,865.89AFE/WBS Number

100794Total AFE Amount (Cost)

22,183,123Safety/Inspections

Date Safety Check Tour Des

11/7/2013 00:00 Pre-Tour Safety Meeting Night RADAR, Ops, Tnt#07 & GEMS#07 @BYWP

11/7/2013 00:00 Pre-Job Meeting Night Gen. Crane Lifting @BYWP

11/7/2013 00:00 Pre-Job Meeting Night Gen. Forklift Ops @BYWP

11/7/2013 06:00 Pre-Job Meeting Day Gen. Crane Lifting @BYWP

11/7/2013 06:00 Pre-Job Meeting Day Welding, cutting, grinding at Workshop @BYWP(PTW)

11/7/2013 06:00 Pre-Job Meeting Day Diesel transfer @BYWP(PTW)

11/7/2013 06:30 Pre-Tour Safety Meeting Day w/Kamal Ent., RADAR Cards, Tnt#07 @BYWP

11/7/2013 06:30 Pre-Job Meeting Day Gen. Housekeeping (K/E) @BYWP

11/7/2013 06:30 Pre-Job Meeting Day Gen. Forklift Ops @BYWP

11/7/2013 08:00 Pre-Job Meeting Day Maintenance and inspection of TDU by NOV @BYWP (PT

11/7/2013 08:00 Pre-Job Meeting Day Pest control @BYWP (PTW)

11/7/2013 09:00 Pre-Job Meeting Day Welding at NOV area @BYWP (PTW)

11/7/2013 10:00 PTW Audit Day Diesel transfer to rig equipment@BYWP

11/7/2013 10:00 Safety Procedures Day Heavy vehicle inspection@BYWP

11/7/2013 11:00 Safety Procedures Day T-Card Audit

11/7/2013 11:30 Pre-Tour Safety Meeting Day RADAR, Ops, Tnt#07 & GEMS#07 @BYWP

11/7/2013 12:15 Pre-Job Meeting Day Gen. Crane Lifting @BYWP

11/7/2013 12:15 Pre-Job Meeting Day Gen. Forklift Ops @BYWP

11/7/2013 14:00 Pre-Job Meeting Day Rig service using man ridding @ BYWP (PTW)

11/7/2013 14:00 PTW Audit Day General hot work at workshop@BYWP

11/7/2013 14:30 PTW Audit Day Maintenance and inspection of TDU by NOV @BYWP

11/7/2013 17:00 Safety Meeting Day Ops. Review, Tnt#07 @BYWP

11/7/2013 18:00 Pre-Job Meeting Night Welding, cutting, grinding at Workshop @BYWP (PTW)

11/7/2013 18:30 Pre-Tour Safety Meeting Night w/Kamal Ent., RADAR Cards, Tnt#07 @BYWP

11/7/2013 18:30 Pre-Job Meeting Night Gen. Crane Lifting @BYWP

11/7/2013 18:30 Pre-Job Meeting Night Gen. Housekeeping (K/E) @BYWP

11/7/2013 19:30 Safety Procedures Night T-Card Audit

11/7/2013 22:00 PTW Audit Night Check seat and valve of mud pump-2 @BYWP

11/7/2013 22:00 Pre-Job Meeting Night Preparing 9 5/8 casing by TRS @ BYWP(PTW)

11/7/2013 22:00 Pre-Job Meeting Night Check seat and valve of mud pump-2 @ BYWP(PTW)

11/7/2013 23:00 Pre-Job Meeting Night Work on well head @BYWP (PTW)

Safety / Environmental IncidentsIncident Cat. Incident Desc

No safety or environmental incident

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Date: 11/7/2013

Slot: 7




Total Time: 19.67


Rpt No: 21

Hours: 24.00

Daily OperationsReport Start Date

11/7/2013 00:00Report End Date

11/8/2013 00:00Daily Field Est Total (Cost)

230,670Cum Field Est To Date (Cost)

4,958,453Daily Mud Field Est (Cost)

16,480Cum Mud Cost to Date (Cost)

483,421Drilling Hours (hr)

8.50Cum Rotating Hrs on Casing

Operations Summary

Continued drilling 12 ¼” hole section from 2966m to 3038m at Section TD. Circulate hole clean.POOH from 3038m to 1951m. Tight spot @ 1951m. Back ream of hole from 1975m to shoe. Rig service. Circulated bottoms up at shoe. Continued POOH.Comments

00:00 - 01:00: Trouble shoot and repair Draworks. Problem with parking break.01:00 - 02:30: Rack back last stand of HWT. Rack back LWD. Soft break motor stab. Lay out motor and bit.02:30 - 03:30: Pull W/B. Pick up wash toll and wash well head and BOP stack. 03:30 - 05:00: Clean off the rig floor. Change out elevators and pick up landing jt and perform test run to establish landing depth. Lay out same. Rig up TRS casing running equipment. Max Drill Gas Avg Background Gas Head Count

143.0Required Matls next day

Halliburton batch mixer in customs.CCTV: driller has camera for derrick,stabbing board, mud pump. STP recorder non-operationalDrillers MD Totco monitor at Rig floor, Not in service. No ETA.Iron Roughneck spinners, not in service because of bad hydraulic leak. No spare seals on location. Having to use standalone spinners.Drillers rig floor communciation hands free microphone not working. No ETA.No back up flow line encoder for SLS. MD Totco flowline indicator not reading. WDI flowline sensor three weeks ETA. No ETA from SLS.Safety Observation Cards

Observation Typ # Rpts Com

CVX-3, WDI-28, Other-42 73 Observed one person was cleaning the mud pump standing on top of the mud pump.Stopped the job and discussed the hazards, He agreed & did the job safely. Tenet #2 MD. ABDUS SALAM-WDI-Roustabout

Daily ContactsContact

Shayne Atkins

Passagon Heamtanon

Randy Roberts

Kitichai Leekitchakorn

Mahbubur Rahman

Ismail Hossain

Time Log

Start Time End Time Phase Activity Dur (hr)Unsched Event?

UE Time (hr)

UE Ref No. Com

00:00 08:30 INTCSG2, DRILL DRLDD 8.50 Continue directional drilling 12-1/4" hole section F/2966 m to 3038m 12-1/4" section T.D. Formation Top: BB60 at 3035m MD. Increased MW f/ 11.ppg to 11.2ppg before BB55 shale.

08:30 12:00 INTCSG2, DRILL CC 3.50 Pump25bbl base oil/13.4ppg hiwt/hivis pill in tandem. Circulate sweep out of hole.Pump Carbide. 0.4% gas peak seen from 3035m, No gas % when static or swab test to surface. Carbide lag check results, Average I.D. 12.57 inches.

12:00 16:30 INTCSG2, DRILL TOH 4.50 TOH on elevator F/3038 m to 1951m. Worked tight spots at 2426m and 2187m. No reaming required only work stand back through area. No issues.

Note:Worked and reamed area at top of BB55 shale at 2905m MD.

16:30 18:30 INTCSG2, DRILL REAMBK 2.00 Ream from 1951m to 1835m.Pull up into the casing shoe at 1799m. Observed 20k overpulls. Slight torque seen while back reaming.

18:30 19:00 INTCSG2, DRILL UNITMAIN 0.50 Rig Service

19:00 20:00 INTCSG2, DRILL CC 1.00 Circulate Bottoms up @1799 m. Flow check. Pump 40 bbls Slug.

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Date: 11/7/2013

Slot: 7




Total Time: 19.67


Rpt No: 21

Hours: 24.00

Time Log

Start Time End Time Phase Activity Dur (hr)Unsched Event?

UE Time (hr)

UE Ref No. Com

20:00 00:00 INTCSG2, DRILL TOH 4.00 Continue TOH Dry F/1799m to 67m. Performed flow check at 236m and removed wiper rubber.

PersonnelCompany Total Headcount SSE

Chevron 12

Weatherford 14 Rig Expat

Weatherford 44 Rig National

Weatherford 22 Shamolima Catering

Aker-Kvaerner 1 Wellhead Eng

Weatherford 3 LWD/MWD

Halliburton 5 Cementing

Weatherford 2 DD

MI Swaco 2 Mud Engineers

Gyrodata Inc 0 Gyrodata

Weatherford 7 TRS

NOV - Fluids Services 0 Solids Control

HAL - Wireline 7 Wireline

Weatherford 5 SLS

Weatherford 0 Ayun ent

Chevron 1 PetroBangla

Smith International 3 Inspection

Weatherford 4 Completion/Liner hands

Chevron 0 WWT

Weatherford 0 BanglaCat

Weatherford 0 Bangla Industrial

Chevron 0 Hunting Casing

Weatherford 11 NOV Tech

Weatherford 0 WWS

Chevron 0 HES

Weatherford 0 SPM

Weatherford 0 MD Totco Tech

Mud ChecksDate

11/7/2013 22:00Depth (MD) (mKB)

3,038.0Depth (TVD) (mKB)

2,761.43Mud/Brine Type

NAFSample Source

Active PitChecked By

Flow Line Temperature (°C) Fluid Density (lb/gal)

11.20Gel 10 sec (lbf/100ft²)

15.0Gel 10 min (lbf/100ft²)

27.0Gel 30 min (lbf/100ft²)

30.0YP Calc (lbf/100ft²)

20Vis 3rpm

10Vis 6rpm

11Vis 300rpm

49Vis 600rpm

78Funnel Viscosity (s/qt)

64PV Calc (Pa•s)

0pH Chlorides (mg/L)

59,000CaCl2 (mg/L)

259,854.00Electric Stability (V)

620.0Water Phase Salinity (mg/L)

313,200ROC (Wet) (% by wt) (lb/lb)

Filtration Sz (µm) High Gravity Solids (lb/bbl)

166.74Corrected Solids (%)

16.03Retort Solids (% by Volume) (%)

18.50Retort Water by Volume (%)

20.25Retort NAF by Volume (%)

61.25NAF/Water Ratio

75.2/24.8NaCl (mg/L) API Filtrate (cc/30min) API Filter Cake (1/32") HTHP Filtrate (cc/30min)

3.4HTHP Filter Cake (1/32")

1Weather Conditions

Wave Ht (m) Swell Ht (m) Wave Dir (°) Wind Spd (knots) Wind Dir P Bar (mmHg) T High (°C) T Low (°C) Visibility (km)

Support VesselsVessel Name Vessel Type Arrival Date Depart Date Note

Unscheduled EventsReference No. Start Date End Date Event Type Unsch Maj Cat Unsch Detail Description Accountable Party Contractor

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Date: 11/7/2013

Slot: 7




Total Time: 19.67


Rpt No: 21

Hours: 24.00

Mud Additive AmountsDes Date Rec Consumed On Loc

Barite 11/7/2013 9.0 78.0

Base Oil Df1 11/7/2013 30.0 75.0

Cacl2 / Nacl 11/7/2013 704.0 50.0 1,554.0

HRP 11/7/2013 4.0 6.0

Lime 11/7/2013 96.0 505.0

M-I Gel 11/7/2013 60.0 140.0

Nova Plus 11/7/2013 30.0 2.0 35.0

Novatec F 11/7/2013 1.0 7.0

Safe Surf W 11/7/2013 8.0 9.0

Saraline 11/7/2013 20.0 59.0

Versatrol M 11/7/2013 150.0 270.0

VG Plus 11/7/2013 164.0 263.0

VG-69 11/7/2013 164.0 267.0

Job Supply AmountsSupply Item Des Date Received Consumed Cum On Loc

Diesel 11/7/2013 22,500.0 17,243.0 153,824.0

Drill String/BHA

BHA #7, Motor BuildBit Run

1bDrill Bit

12 1/4in, SK5519, E168478

Length (m)

0.28IADC Bit Dull

1-1-WT-S-X-I-CT-TDBit Total Fluid Area (nozzles) (in²)

1.24BHA ROP (m/hr)

8.8

Nozzles (1/32")

18/18/18/18/18String Length (m)

236.94Max Nominal OD (in)

812.000String Components

SK5519, 8" Hyperline Motor w/12"UBHS, 11-3/4" Stabilizer, NM XO Sub, 8 1/4"LWD - MFR, 8 1/4"HEL, NM XO Sub, 8" NMDC Long, XO Sub, HWDP, Drilling Jars - Hydraulic, HWDPComment

String/BHA ComponentsItem Des Len (m) Mass/Len (lb/ft)

HWDP 159.41 49.30

Drilling Jars - Hydraulic 9.68

HWDP 28.05 49.30

XO Sub 1.10

8" NMDC Long 9.22

NM XO Sub 0.91

8 1/4"HEL 6.90

8 1/4"LWD - MFR 9.02

NM XO Sub 0.91

11-3/4" Stabilizer 2.47

8" Hyperline Motor w/12"UBHS 8.99

Drilling ParametersWellbore

Original HoleDepth Start (MD) (mKB)

2,931TVD Start (mKB)

2,671.63Depth End (MD) (mKB)

3,038TVD End (mKB)

2,761.43Drill Time (hr)

8.50On Bottom Drill Time (hr)

7.97Interval ROP (m/hr)

12.6Cum Depth Drilled (mKB)

963Cum Drilling Time (hr)

109.00Flow Rate (gpm)

770Weight on Bit (1000lbf)

22RPM (rpm) Stand Pipe Pressure (psi)

4,100.0Drill Str Wt (1000lbf)

225Pick-Up String Weight (1000lbf)

290Drilling Torque

25.0Weight of String in Air (1000lbf)

30Slack-Off String Weight (1000lbf)

210Casing StringsCasing Description Set Depth (MD) (mKB) Set Depth (TVD) (mKB) Run Date

Comment

Casing ComponentsTop Depth (MD) (mKB) Btm Depth (MD) (mKB) Len (m) Jts Item Des OD (in) ID (in)

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Date: 11/7/2013

Slot: 7




Total Time: 19.67


Rpt No: 21

Hours: 24.00

Tubing StringsTubing Description Set Depth (MD) (mKB) Run Date

Comment

Tubing ComponentsTop Depth (mKB) Bottom Depth (mKB) Length (m) Joints Item Description OD Nominal (in) ID (in)

BOP TestDate Com

10/29/2013 Shell test BOPs and related equipment to 250/5k psi, ok, Full BOP test was done on 22 October'13.

WellboresWellbore Name

Original HoleParent Wellbore

Original HoleDirectional SurveysDescription

Planned surveyDate

5/27/2013Survey Data

Date MD (mKB) Incl (°) Azm (°) TVD (mKB) VS (m) NS (m) EW (m) DLS (°/30m)

Description

Actual SurveysDate

7/22/2013Survey Data

Date MD (mKB) Incl (°) Azm (°) TVD (mKB) VS (m) NS (m) EW (m) DLS (°/30m)

11/7/2013 2,965.71 33.38 137.98 2,700.54 -850.64 -796.90 77.54 0.73

11/7/2013 2,994.79 32.84 137.18 2,724.90 -834.77 -808.63 88.26 0.72

11/7/2013 3,013.28 32.28 136.78 2,740.48 -824.83 -815.90 95.05 0.97

11/7/2013 3,038.00 31.83 136.28 2,761.43 -811.74 -825.42 104.07 0.63

by-19_ddr_2013-11-07

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