Borehole Imaging Technology | Schlumberger
Utica Shale, Gulf of Mexico, United States, North America
Journal of Petroleum Technology
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Article Topics
Surface Logging & Wireline Reservoir Interpretation & Analysis Unconventional Resources Deep Water

Borehole Imaging Technology

Innovative design for photorealistic visualization of borehole images


In today's complex deepwater and unconventional plays, operators need high-quality borehole images to characterize reservoir architecture, constrain reservoir models, and make timely decisions with precision and confidence. However, legacy imaging tools adapted for oil-based muds (OBM) lack the spatial resolution and circumferential coverage offered by imagers for water-based mud.

To address this challenge, Schlumberger developed the Quanta Geo photorealistic reservoir geology service to provide OBM-adapted microresistivity imaging with both high resolution and nearly total borehole coverage—98% in 8-in holes. With its innovative design, it is the industry's first borehole imaging service capable of recording image data while running into the hole.

In one deepwater well, for example, the new OBM-adapted imager saved valuable rig time by acquiring photorealistic images of critical geologic features while downlogging. In the unconventional Utica Shale, it achieved 93% coverage in an 8 1/2-in hole, enabling the operator to accurately locate 85 core plugs and characterize natural fractures.

An industry article in the November issue of the Journal of Petroleum Technology; "Borehole Imaging Technology Visualizes Photorealistically in Oil-Based Muds," describes how these photorealistic images enable geoscientists to unravel complex structural and stratigraphic features, build more accurate reservoir models, improve well placement, and optimize completions in conventional and unconventional plays.

Read the full article here.

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