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PerformanceStep

Change:

NewApproachtoBakkenField

Development

HaniIbrahim,SmithBits,ASchlumbergerCompany

ValentinVisinescu,

M

ISWACO,

A

Schlumberger

Company

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Agenda

BackgroundInformation

TraditionalApproach

NewApproach

Results

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BackgroundInformation

BakkenShaleisahugeFieldspanningacross2

statesand

over

to

Canada

Extractioncostandcomplexityhampered

activity MultipleSwellPackersrunoncompletion

necessitategaugedwellboreandfreeofdebris

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AreaMap

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Lithology

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TypicalWell

Schematic

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Typical

Wellbore

Design

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TraditionalApproach

Eachcomponentinthedrillingstringis

handledseparately

Effectonotherelementsinthedrillstringis

oftenignoredornotconsidered

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NewApproach

Holisticapproachwhereeverycomponentin

thedrilling

environment

is

vetted

for

the

purposeandexaminedinrelationtoallother

componentsorwellborecondition.

Proprietarysoftwaresimulatedrilling

environmentandcorrectplacementto

minimizeShock

&

Vibrations

and

provide

best

Drillingenvironment.

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OptimizationFlowProcess

SELECTCANDIDATE

Well/ClientPROPOSE

PROCESS&PRICINGto

SelectedClientESTABLISH KPIs

WithCustomerASSIGN

OPTIMIZATIONTEAM

COLLECTDATA&BenchmarkOffsetwells

MODELWELLWellPath,BHAs,Fluids,Hydraulics,

Etc.

EXECUTE

PLAN

FINALIZEPLANReviewwithClient

ReviewLogistics

POSTWELLANALYSIS

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OffsetWellGeologicalAnalysis

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ProprietaryBHA

Modeling

Software

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ProprietaryHydraulics

Modeling

Software

Hole Cleaning

Time (hr)

HoleCle

aningIndex

0 20 40 60 80 100

0

0.25

0.50

0.75

1.00

Pump Pressure

Time hr

PumpPressure(psi)

0 20 40 60 80 100

2200

2400

2600

2800

Rotary Speed

Time (hr)

RotarySpeed(rpm)

0 20 40 60 80 100

0

20

40

60

80

Min and Max ECD Profiles

ECD (lb/gal)

Depth(1000ft)

9.76 9.84 9.92 10.00

2.00

4.25

6.50

8.75

11.00

ECD @TD

Time hr

ECD@TD

(lb/gal)

0 20 40 60 80 100

9.84

9.92

10.00

ROP

Time (hr)

ROP(ft/hr)

0 20 40 60 80 100

0

8

16

24

ECD @Shoe

Time (hr)

ECD@S

hoe(lb/gal)

0 20 40 60 80 100

9.76

9.80

9.84

9.88

9.92

Flow Rate

Time hr

FlowRate(gal/min)

0 20 40 60 80 100

480

500

520

540

560

Schedule

Time (hr)

Operation

0 20 40 60 80 100

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Drilling

Sliding

Circulating

9.625

8.921

8.750

GeometryMD/TVD Csg OD/ID(ft) (in)

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

Depth(ft)

Operation: Circulating @ 83.00 hrRotary Speed: 60 rpm

Penetration Rate: 0 ft/hrFlow Rate: 550 gal/min

MD: XXXXX ftTVD: XXXXX ft

Bit Size: 8.75 inDate: XX/XX/XXXX

Operator: Shale Gas OperatorWell Name: Well #1

Location: Williams County, NDCountry: USA

VIRTUAL HYDRAULICS*

RHECON*1995-2011 M-I L.L.C. *Mark of M-I L.L.C.

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ProprietaryHydraulicsModelingSoftware

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OperationMonitoring

Wellismonitored24/7byspecialized

personneltoprovideguidanceand

recommendationsthroughoutthedrillingoperation

Compliance

to

the

suggested

parameters

is

electronicallymonitored

LessonsLearntcapturedandappliedina

ContinuousImprovement

(CI)

cycle.

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Parameters&WellMonitoring

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ParametersComplianceResults

Compliance > 90%

Compliance > 90%

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0

5000

10000

15000

20000

25000

0 5 10 15 20 25 30 35

Planned

Actual

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Optimization

Cycle

for

Continuous

Improvements

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RESULTS

HolisticOptimization

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QUESTIONS

Questions