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PowerDrivePowerDrive ArcherArcher

High Build Rate

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Why PowerDrive Archer?

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PowerDrive Archer RSS

Delivers well profiles previously only possible with motorsyet

with the ROP and wellbore quality of a fully rotating RSS

PowerDrive X6 control unit

Unique hybridsteering unit

components rotate

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PowerDrive Archer

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PowerDrive Archer

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Engineered Bits and BHAs

High build curves demand high

Engineered bit and BHA designs IDEAS* modeling software

Drillin en ineerin DOX* and i-Drill

Designs tested

Horizontal wells at Schlumberger

drilling technology center

Proven in the field

Approved bit and BHA catalog

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An Invisible DangerFatigue

4 Hours4 Hours

Infinite LifeInfinite Life

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Reducing Risk of Fatigue Through Engineering

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PowerDrive Archer Features

True hybrid of push and point the bit

Accurately kicks off from vertical Measures Magnetic Tool Face

e vers u u rate capa ty mme atey

Up to 17/100 ft DLS

Control system from new generation PowerDrive X6

O enhole sidetrack at an oint in the well

9

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Extensive Field Test

100 wells

> rs

> 13800ft drilled

4000

5000

6000

7000

80

100

120

ours

age,

kft

Collaboration with clients

Fine tune BHA & bit design

Overcome challenges 0

1000

2000

3000

0

20

40Foot

Experience builtCummulativeFootage CumulativeHours

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Case Studies

Marcellus $1million USD saved 170% increase in ROP

Woodford ROPs increased by 80% Tortuosity reduced by 20 10 days saved

Eagle Ford s ncrease y

Cost per foot reduced Casing run to bottom without

rotation forfirst time

Cotton Valley Halved time to drill curve 8 days down to 4 days

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PowerDrive Archer RSS

Delivers well profiles previously only possible with motorsyet

with the ROP and wellbore quality of a fully rotating RSS

e uce rs

Reduce cost

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And finally..

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The PowerDrive Archer Tour

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. .

An asterisk is used throughout this presentation to denote a mark of Schlumberger. Othercompany, pro uc , an servce names are e proper es o er respec ve owners.

Initials 3/28/2011