cost efficient drilling operations

31
THE WORLD LEADING DECOMMISSIONING SPECIALIST Cost Efficient Drilling Operations From Rig to Vessel in Exploration Drilling FFU Seminar 2010 Per Lund Executive Vice President

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Page 1: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

G D

ECO

MM

ISSI

ON

ING

SPE

CIA

LIST

Cos

t Effi

cien

t Dril

ling

Ope

ratio

ns

From

Rig

to V

esse

l in

Expl

orat

ion

Drill

ing

FFU

Sem

inar

201

0

Per L

und

Exec

utiv

e Vi

ce P

resi

dent

Page 2: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STFr

om R

ig to

Ves

sel i

n Ex

plor

atio

n D

rillin

g

•P

rela

y m

oorin

g•

Pre

inst

alla

tion

of w

ellh

eads

and

co

nduc

tors

•R

ig c

hase

~5-1

0M

NO

K/d

ay~1

MN

OK

/day

Page 3: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STW

ho is

Nor

se C

uttin

g &

Aba

ndon

men

t?

•N

orw

egia

n ow

ned

oilfi

eld

serv

ice

com

pany

with

hea

d of

fice

in T

anan

ger

•50

0MN

OK

/yr r

even

ue –

220

em

ploy

ees

•G

loba

l ope

ratio

n –

offic

es in

Abe

rdee

n, H

oust

on, N

ew O

rlean

s an

d D

ubai

Page 4: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STFr

om R

ig to

Ves

sel i

n Ex

plor

atio

n D

rillin

g

0

500

1000

1500

2000

2500

3000

3500

4000

05

1015

2025

3035

4045

50

MEASURED DEPTH (m)

MO

VE

OFF

WH

CSG

at 1

900

m

TIM

E (d

ays)

12 ¼" HOLE

Openhole

Seab

ed

MO

VE

IN /

PO

SIT

ION PILOT

HOLE

Running BOP

Dril

l 12

1/4"

to

cor

e po

int

Recover BOP, Cut WH

Drill 36”Hole

4045

50M

OM

OM

OM

OM

OM

OM

OM

OM

OM

OMMMMMMMMMMMMMMM

VE

OFF

Reoooooccocoooooocooooooooooooooooovevevevevevevvevevvveevvevvvvveevvvvvvvvvvvevvveer rrrrrBOBOBBBBP, Cu Cu Cu CCu Cu Cu Cu Cu CCu CCCu Cu Cu CCCCu CCCCCCCu Cu CCCu CCu CCCu CCu Ct tttWH WHH WWH WWW uuuuuuPo

st ri

g ac

tiviti

es•R

emov

e pr

elay

m

oorin

g sp

read

•Con

duct

or c

uttin

g•W

ellh

ead

/ CA

N

rem

oval

All

activ

ities

don

e fro

m a

ves

sel o

ffcr

itica

l pat

h

00

5000

10000

15000

20000

2500

30000

05

10

E MEASUREDEDD DEPHT (m)

O

Seab

edd

MO

VE

IN /

OP

OP

OS

IIIS

IS

IS

IIIS

IS

IS

ISSSSSSSSSSSSSSSS

TITTTTTTTTO

N PILOOT THOLELE OHEE OLELE

Drill 3636”H”olee

Pre

rig a

ctiv

ities

•Inst

all p

rela

y m

oorin

g sp

read

•CA

N in

stal

latio

n*•C

ondu

ctor

* in

stal

latio

n

All

activ

ities

don

e fro

m a

ves

sel o

ffcr

itica

l pat

h

*

Ben

efits

•R

educ

ed ri

g tim

e ->

mor

e tim

e av

aila

ble

for d

rillin

g•

Act

iviti

es m

oved

from

a ~

5-10

mill

NO

K/d

ay ri

g sp

read

to

a ~

1 m

ill N

OK

/day

ves

sel s

prea

d•

Wor

k m

oved

from

crit

ical

pat

h to

flex

ible

tim

ing

Red

uced

cos

tR

educ

ed ri

sk (s

ched

ule

and

cost

)E

cono

mie

s of

sca

le b

y bu

ndlin

g pr

e an

d po

st ri

g ac

tiviti

es (m

ultiw

ells

and

mul

ti cl

ient

cam

paig

ns)

Page 5: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STPr

e R

ig A

ctiv

ities

from

Ves

sel

•P

rela

y of

Moo

ring

Spr

ead

–C

ompl

ete

moo

ring

spre

ad in

stal

led

prio

r to

rig a

rriv

al–

Rig

is h

ooke

d up

to p

rela

y m

oorin

g in

stea

d of

us

ing

its o

wn

moo

ring

equi

pmen

t

•In

stal

latio

n of

wel

l fou

ndat

ion

and

cond

ucto

r–

CA

N (C

ondu

ctor

Anc

hor N

ode)

inst

alla

tion

- a

mor

e so

lid fo

unda

tion

for t

he w

ellh

ead

–C

ondu

ctor

driv

ing

with

hyd

raul

ic h

amm

er

Page 6: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STPo

st R

ig A

ctiv

ities

from

Ves

sel

•R

emov

al o

f Pre

lay

Moo

ring

Spr

ead

–R

ecov

ery

of c

hain

, buo

ys, f

iber

s an

d an

chor

s–

Rei

nsta

llatio

non

new

loca

tion

•R

emov

al o

f CA

N &

mul

tistri

ng c

ondu

ctor

–C

uttin

g of

mul

tistri

ng c

ondu

ctor

–S

ubse

a w

ellh

ead

rem

oval

–R

ecov

ery

of C

AN

/sub

sea

wel

lhea

d –

rein

stal

latio

n on

new

loca

tion

Page 7: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STC

ase

Stud

ies

Cas

e S

tudy

1

Gjø

a pr

elay

Cas

e st

udy

3

Trol

la ri

g ch

ase

Cas

e st

udy

2

Peo

n C

AN

&

cond

ucto

r ins

talla

tion

Page 8: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

G D

ECO

MM

ISSI

ON

ING

SPE

CIA

LIST

Prel

ay o

f Tem

pora

ry M

oori

ng S

yste

m

Case

1

Gjøa

Pre

lay

Proj

ect

Page 9: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STG

jøa

Prel

ay M

oorin

g Pr

ojec

t

•P

rela

y m

oorin

g sp

read

s fo

r 6 d

iffer

ent w

ell l

ocat

ions

on

the

Gjø

a fie

ld in

200

9•

8 x

Rig

100

0m c

hain

on

BCD

loca

tion

•16

x 1

000m

cha

in o

n E&

F lo

catio

n•

8 x

800m

Fib

er

•16

x 1

5Te

Vry

hof M

k 6

anch

ors

•S

aved

app

rox

3 rig

spr

ead

days

per

loca

tion

•R

educ

es lo

ads

on th

e A

HTS

– s

afer

+ c

an u

se lo

wer

spe

c an

d fe

wer

AH

TSs

Page 10: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STPr

elay

of R

ig M

oorin

g (v

ideo

)

Page 11: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STSu

mm

ary

- Pre

lay

of T

empo

rary

Moo

ring

Syst

em

•P

rove

n co

ncep

t fro

m s

ever

al p

roje

cts

over

the

last

yea

rs•

Pre

lay

= ap

prox

3 ri

g sp

read

day

s sa

ved

per w

ell

•S

avin

gs: 2

0-30

MN

OK

/wel

l les

s co

st fo

r ves

sel a

nd m

oorin

g sp

read

•R

educ

ed ri

sk o

f wea

ther

del

ays

•C

an in

stal

l the

moo

ring

syst

em w

ith fe

wer

and

low

er s

pec

AH

TSs

•A

dditi

onal

HS

E b

enef

its: R

educ

es lo

ads

on th

e A

HTS

(ref

Bou

rbon

Dol

phin

)

•M

oves

act

iviti

es fr

om c

ritic

al p

ath

for t

he ri

g to

flex

ible

tim

ing

for a

ves

sel

Page 12: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

G D

ECO

MM

ISSI

ON

ING

SPE

CIA

LIST

Wel

lhea

d an

d Co

nduc

tor I

nsta

llati

on

Case

2

Peon

CAN

and

Con

duct

or In

stal

lati

on

Page 13: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STPe

on C

AN

and

Con

duct

or In

stal

latio

n

•P

re-in

stal

latio

n of

CA

N a

nd c

ondu

ctor

on

the

Peo

n fie

ld in

200

9•

Ves

sel:

Isla

nd C

onst

ruct

or•

The

Peon

CAN

•D

imen

sion

s: Ø

: 6m

x H

: 12m

•W

eigh

t: 80

ton

(dry

) – 7

2 to

n (w

et)

•P

enet

ratio

n:

1

1m•

Dep

loye

d by

cra

ne o

ver t

he s

ide

and

inst

alle

d w

ithin

12

hour

s•

The

Peo

n co

nduc

tor

•D

imen

sion

: Ø

: 30”

x 1

”wt x

L: 3

3m (i

n on

e le

ngth

)•

Driv

en b

y su

bsea

ham

mer

(toe

driv

e) to

30m

in a

ppro

x 6

hour

s

•S

aved

app

rox

3 rig

spr

ead

days

+ m

ade

drilli

ng o

n P

eon

poss

ible

(due

to s

oil a

nd re

serv

oir c

ondi

tions

)

Page 14: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STC

AN

Inst

alla

tion

on P

eon

Peo

n C

AN

de

plo

yme

nt:

•C

AN

we

igh

t, a

ir:

8

0t

•C

AN

we

igh

t, s

ea

:

72t

•C

ran

e C

ap

. (A

HC

): 1

40t

•C

ran

e o

ps.

tim

e: 1

½ h

rs

=> S

afe

& e

ffic

ient

CA

N

de

plo

yme

nt d

em

ons

tra

ted

!

Page 15: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 16: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 17: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 18: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 19: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 20: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 21: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

ST

Page 22: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STPe

on C

ondu

ctor

Inst

alla

tion

on Is

land

Con

stru

ctor

Page 23: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STPe

on C

ondu

ctor

Inst

alla

tion

w/T

oeD

rive

ham

mer

Page 24: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STSu

mm

ary

- Wel

lhea

d an

d C

ondu

ctor

Inst

alla

tion

•P

rove

n co

ncep

t fro

m P

eon

and

othe

r pro

ject

s•

Tech

nica

lly a

s go

od o

r bet

ter c

ompa

red

to c

onve

ntio

nal m

etho

ds

•V

esse

l bas

ed C

AN

and

con

duct

or in

stal

latio

n sa

ves

appr

ox 3

rig

days

per

wel

l for

mod

erat

e w

ater

de

pth

•S

igni

fican

tly h

ighe

r tim

e sa

ving

s on

dee

per w

ater

(10-

15 d

ays)

•To

tal c

ost s

avin

gs: 1

5-75

MN

OK

/wel

l les

s co

st fo

r ves

sel,

CA

N a

nd c

ondu

ctor

driv

ing

serv

ices

•M

oves

act

iviti

es fr

om c

ritic

al p

ath

for t

he ri

g to

flex

ible

tim

ing

for a

ves

sel

•Th

e C

AN

offe

rs a

sig

nific

antly

bet

ter f

ound

atio

n fo

r the

wel

lhea

d th

an c

onve

ntio

nal m

etho

ds•

Can

mak

e dr

illing

pos

sibl

e an

d m

ore

relia

ble

on c

erta

in fi

elds

(soi

l and

rese

rvoi

r)•

Can

mak

e dr

illing

pos

sibl

e an

d m

ore

relia

ble

from

cer

tain

rigs

(hea

vy B

OP

s)

Page 25: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

G D

ECO

MM

ISSI

ON

ING

SPE

CIA

LIST

“Rig

Cha

se” -

Sub

sea

Wel

lhea

d Re

mov

al

Case

3

Trol

la R

ig C

hase

Page 26: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STTr

olla

Rig

Cha

se

•S

ubse

a w

ellh

ead

loca

ted

on th

e Tr

olla

fiel

d•

The

wel

l per

man

ently

aba

ndon

ed (c

emen

ted)

by

the

rig•

The

wel

lhea

d w

as le

ft be

hind

for f

utur

e re

mov

al fr

om a

ves

sel

•W

ellh

ead

rem

oved

by

use

of th

e O

lym

pic

Zeus

in N

ov 2

009

•N

CA

’s p

aten

ted

Sub

sea

Wel

lhea

d P

icke

r•

Wel

l dat

a:–

Cas

ing

conf

igur

atio

n:

9 5/

8”-2

0”-3

0”–

Wat

er d

epth

: 27

0m–

Net

gua

rd in

stal

led

abov

e th

e w

ellh

ead

•S

aved

2 ri

g sp

read

day

s pe

r wel

l

•M

oves

act

iviti

es fr

om c

ritic

al p

ath

for t

he ri

g to

flex

ible

tim

ing

for a

ves

sel

Page 27: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STTr

olla

Rig

Cha

se (v

ideo

)

Page 28: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STSu

mm

ary

– Su

bsea

Wel

lhea

d R

emov

al

•P

rove

n co

ncep

t fro

m 1

2 su

bsea

wel

ls in

the

Nor

th S

ea•

Tech

nica

lly a

s go

od o

r bet

ter c

ompa

red

to c

onve

ntio

nal m

etho

ds (m

echa

nica

l cut

ting

from

rig)

•V

esse

l bas

ed w

ellh

ead

rem

oval

sav

es a

ppro

x 2

rig d

ays

per w

ell f

or m

oder

ate

wat

er d

epth

•To

tal c

ost s

avin

gs: 5

-10M

NO

K/w

ell l

ess

cost

for v

esse

l and

cut

ting

serv

ices

•M

oves

act

iviti

es fr

om c

ritic

al p

ath

for t

he ri

g to

flex

ible

tim

ing

for a

ves

sel

Page 29: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

DIN

GD

ECO

MM

ISSI

ON

ING

SPEC

IALI

STO

vera

ll Su

mm

ary

- Cos

t Effi

cien

t Exp

lora

tion

Dril

ling

0

500

1000

1500

2000

2500

3000

3500

4000

05

1015

2025

3035

4045

50

MEASURED DEPTH (m)

MO

VE

OFF

WH

CSG

at 1

900

m

TIM

E (d

ays)

12 ¼" HOLE

Openhole

Seab

ed

MO

VE

IN /

PO

SIT

ION PILOT

HOLE

Running BOP

Dril

l 12

1/4"

to

cor

e po

int

Recover BOP, Cut WH

Drill 36”Hole

00

5000

10000

15000

20000

2500

30000

05

1015

E MEASUREDEDD DEPHT (m)

Opnenhohohhhhhhhohlele ooe hohohlel

Seab

edd

MO

VE

IN /

PO

SI

ITIITITITIITO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NOOOOOOOOO

PILOOT THOLELE OHEE OLELE

Drill 3636”H”olee

Pre

rig a

ctiv

ities

•Inst

all p

rela

y m

oorin

g sp

read

•CA

N in

stal

latio

n*•C

ondu

ctor

*

inst

alla

tion

All

activ

ities

don

e fro

m a

ves

sel o

ffcr

itica

l pat

h

4045

50M

OM

OM

OM

OM

OM

OM

OM

OM

OM

OMMMMMMMMMMMMMMM

VE

OFF

Reoooooccocoooooocooooooooooooooooovevevevevevevvevevvveevvevvvvveevvvvvvvvvvvevvveer rrrrrBOBOBBBBP, Cu Cu Cu CCu Cu Cu Cu Cu CCu CCCu Cu Cu CCCCu CCCCCCCu Cu CCCu CCu CCCu CCu Ct tttWH WHH WWH WWW uuuuuuPo

st ri

g ac

tiviti

es•R

emov

e pr

elay

m

oorin

g sp

read

•Con

duct

or c

uttin

g•W

ellh

ead

/ CA

N

rem

oval

All

activ

ities

don

e fro

m a

ves

sel o

ffcr

itica

l pat

h

*

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Page 30: Cost Efficient Drilling Operations

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Page 31: Cost Efficient Drilling Operations

THE

WO

RLD

LEA

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Att

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Ques

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s?