The Baker Hughes, a GE company (BHGE), EARTH Imager™ formation resistivity imaging service delivers high-resolution micoresistivity images in wells drilled with nonconductive oil-based mud systems. It offers significantly improved vertical resolution and borehole coverage when compared to other available systems. The EARTH Imager service uses advanced electrical conductivity measurements allowing for petrophysical and geological evaluation at a much greater resolution than previously possible in oil-based mud systems.

High-resolution borehole images are acquired by an independently articulated six-arm carrier and a power standoff design, ensuring optimal sensor-to-formation contact, even in highly deviated wells. Each of the six arms has a pad with eight sensors, resulting in 48 microresistivity measurements that capture detailed features for identifying bedding, fractures, faults, stratigraphic features, and borehole

wall features such as breakout and drilling-induced fractures.

The EARTH Imager service allows simultaneous acquisition of high-resolution resistivity and acoustic borehole image data sets. Whether deployed alone or in combination with acoustic imaging services, such as the Circumferential Borehole Imaging Log™ (CBIL™) service or the UltrasonicXplorer™ service, the EARTH Imager service helps analyze structural dip, fractured systems, depositional environments, borehole stability, and net-pay identification in thinly bedded sequences. This unique capability offers a powerful interpretation perspective based on two sets of complementary data, saving rig time. The EARTH Imager service is also fully combinable with other BHGE logging tools.

For more information on the EARTH Imager service, contact your local BHGE representative or visit bhge.com

Applications

• Dip and strike determination • Fault and fracture identification

and description • Sedimentary and

stratigraphic interpretation • Delineation of other

geological structures • Seismic upscale and verification

of a seismically derived structural model

Benefits

• Provides high-resolution images in oil-based mud systems

• Acquires simultaneous microresistivity, acoustic, and ultrasonic images

• Saves rig time with additional interpretation of complimentary data

• Provides range of solutions from image processing to complex multi-wall sedimentological study

EARTH Imager formation resistivity imaging service Acquire high-resolution microresistivity images in oil-based mud systems

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Properties/Specifications

Instrument diameter 5.25 in. (133 mm)

Length 30.7 ft (9.7 m)

Weight 680.9 lb (310 kg)

Minimum borehole size 6 in. (152 mm)

Maximum borehole size 21 in. (533 mm)

Maximum temperature 350°F (177°C)

Maximum pressure 20,000 psi (138 Mpa)

Number of pads/sensors Six pads; eight sensors per pad

Mud type Oil-based mud

Tool compressive strength 36,000 psi (16,330 kg)

Tool tensile strength 36,000 psi (16,330 kg)

Formation resistivity ranges 20–3,000 ohm

Conveyance method Wireline or pipe conveyed logging

The static and dynamic normalization presentation of the EARTH Imager service identifies structure and finer sedimentary layering.

© 2017 Baker Hughes, a GE company, LLC – All rights reserved.

Baker Hughes, a GE company, LLC and its affiliates (“BHGE”) provides this information on an “as is” basis for general information purposes and believes it to be accurate as of the date of publication. BHGE does not make any representation as to the accuracy or completeness of the information and makes no warranties of any kind, specific, implied or oral, to the fullest extent permissible by law, including those of merchantability and fitness for a particular purpose or use. BHGE hereby disclaims any and all liability for any direct, indirect, consequential or special damages, claims for lost profits, or third party claims arising from the use of the information, whether a claim is asserted in contract, tort, or otherwise. The BHGE logo is a trademark of Baker Hughes, a GE company, LLC. GE and the GE monogram are trademarks of General Electric Company used under trademark license. EARTH Imager, Circumferential Borehole Imaging Log, UltraSonicXplorer are trademarks of Baker Hughes, a GE company, LLC.

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