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The Baker Hughes StarTrak™ logging-while-drilling (LWD) electrical imaging service acquires microresistivity measurements around the circumference of the borehole during rotation of the bottomhole assembly. The imaging service features the industry’s highest resolution (0.25-in. by 0.25-in.) with azimuthal measurements acquired in 120 separate sectors. The high resolution shows the sedimentological formation details and correlates with the conventional core. A detailed fracture analysis can be created, which is critical to maximize production of horizontal wells in unconventional plays.

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The StarTrak™ high-resolution electrical imaging service from Baker Hughes offers detailed reservoir characterization, structural classification, and wellbore integrity management in real time. Confident well placement decisions are made by obtaining knowledge of faults and bed boundary orientations while drilling in complex reservoirs with a high degree of uncertainty. This enables you to optimize completions, leading to enhanced production.

StarTrak technology’s modular sub design ensures easy integration in an AutoTrak™ or conventional motor-enabled bottom hole assembly (BHA). A direct current/guard electrode sensor configuration measures formation resistivity near the borehole. This measurement produces a high-resolution borehole image with full 360-degree coverage while drilling.
StarTrak images identify breakout and drilling-induced and natural fractures. Use this information to make mud weight adjustments to prevent the wellbore from caving in and sticking the BHA. This also prevents formation fracturing and taking in mud losses, reducing your drilling cost.


StarTrak images determine structural dip and dip azimuth to optimize real-time wellbore placement in the most productive reservoir interval. By locating the sweet spot, you can avoid costly sidetracks and nonproductive zones. This enhances your hydrocarbon recovery. The StarTrak service is extremely useful in complex reservoirs with a high degree of geological uncertainty.


Acquire in-depth knowledge of fractures and fracture patterns in the reservoir rock with StarTrak images. This allows for better wellbore orientation to optimize production or injection and helps with the spatial distribution of wellbores to optimize fracture stimulation in the completion phase. This could result in fewer wells with earlier production, leading to a faster ROI.

Features and Benefits
• Acquires high-resolution images at penetration rates up to 150 ft/hr.
• Delivers a highly detailed view of the formation
• Provides complete fault and fracture identification
• Very tolerant of moderate levels of stick/slip
• Provides early indication of wellbore stability problems
• Real-time images displayed through Baker Hughes WellLink™ service
• Enables geosteering decisions
• Detailed fracture analysis optimizes stimulation program in horizontal wells and in wells located in unconventional shale plays
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