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Crux Oriented Borehole Logging (COBL), a division of Crux Subsurface, Inc., offers borehole feature and core orientation services. This is accomplished through cutting edge optical/acoustical downhole sondes, and matrix systems. In addition to downhole feature orientation, COBL provides the ability to perform downhole surveys, operating temperature sondes, borehole caliper, natural gamma, and resistivity. (Learn more about COBL's Optical/Acoustical Downhole Imaging Features)
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Hydraulic conductivity testing utilizing HQ and NQ wireline pneumatic packer systems. For deep borings (exceeding 1,200 feet), Crux utilizes HQ wireline hydraulic packer systems.
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In-situ testing for rock mass deformability estimations. Accomplished through Goodman Jack and Dilatometer systems, or by obtaining in-situ soil strengths using pressure meter systems.
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Hydrofracturing, which provides stress measurements in rock formations.
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Installation and performance of 24 hour pump tests to measure drawdown rates, water volume for underground structural engineering, and construction operations.
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