AccuSteer® MWD Suite Brings Insights Through Downhole Data

Chris Viens

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AccuSteer® Measurement Suite Overview

~30 Feet

Anytime the system is downhole all measurements are logged at full frequency regardless of what data is transmitted real-time

Shock and Vibration

Directional Sensor

Drilling Dynamics(Weight, Torque, Bending)

Mud Pulser or

EM Antenna

• Azimuthal Gamma Imaging• Continuous Inclination• Annulus and Bore Pressure• RPM and Stick Slip

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Measurement Frequency

Weight, Torque, Bending 50Hz

RPM and Stick Slip 500Hz

Annulus and Bore Pressure 17Hz

Shock and Vibration 1000Hz

High Frequency Data

*All Logged Anytime the System is Downhole

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Enhanced Visibility Through Downhole Measurements

1000’ MD

Horizontal Wellbore Inclination Profile

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Packing Off and Loss of Weight TransferM

D ~

18,

500’ 1 H

our

ECD Increase0.7ppg (400psi)

DH Diff PressDecrease

DH TorqueDecrease

Diff PressStable

DH WOBDecrease

Surface WOBStable

Eliminate Unnecessary Trips For SPP Anomalies

AccuSteer ® Pressure Measurements• Annulus Pressure(OD)• Bore Pressure(ID) • Annulus Pressure Static(Hydrostatic)

Visibility to downhole pressure in 3 independent segments

Segment Potential Issue

Annulus • Pack Off

Mud Motor and Bit • Clogged Bit Jet• Parted Motor

MWD and Drillstring • Blockage in MWD• Drillstring Washout

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High Speed Toolface Showing BHA Stick Slip

30 Seconds

• Surface RPM = 60• BHA Stalled 50% of the

time• Downhole Max RPM

>300• Source of stick slip

between AccuSteer ®

and Bit

• BHA Stick Slip and Bit Stick Slip can Operate Independently

0

360

Tool

face

10

0

DH

Tor

que

High Speed Toolface

Downhole Torque

Unwind UnwindUnwindUnwindStall Stall Stall

High Resolution Azimuthal Gamma Imaging

1000’ MD

6000’ of lateral in 1000’ strips

Stratigraphic position can be determined from following the logic sequence of image features

X

X

X

X

X

X

X

X

X

X

X

X

X

XX X Same Stratigraphic

Position

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Landing

TD

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• 30’ in length – shortest in the industry• Available in EM and Mud Pulse Telemetry• All measurements available in real-time• All high frequency measurements logged anytime the tool is downhole• Simultaneous logging brings enhanced visibility to downhole conditions

AccuSteer® Measurement Suite Recap

Shock and Vibration

Directional Sensor

Drilling Dynamics(Weight, Torque, Bending)

Mud Pulseror

EM Antenna

• Azimuthal Gamma Imaging• Continuous Inclination• Annulus and Bore Pressure• RPM and Stick Slip

Questions?