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METHODS AND MEANS FOR SIMULTANEOUS CASING INTEGRITY EVALUATION AND CEMENT INSPECTION IN A MULTIPLE-CASING WELLBORE ENVIRONMENT
METHODS AND MEANS FOR SIMULTANEOUS CASING INTEGRITY EVALUATION AND CEMENT INSPECTION IN A MULTIPLE-CASING WELLBORE ENVIRONMENT
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机译:在多套管井筒环境中同时进行套管完整性评价和水泥检查的方法和手段
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摘要
An x-ray based cement evaluation tool for measurement of the density of material volumes within single, dual and multiple-casing wellbore environments is provided, wherein the tool uses x-rays to illuminate the formation surrounding a borehole, and a plurality of detectors are used to directly measure the density of the cement annuli and any variations in density within The tool uses x-rays to illuminate the casing surrounding a borehole and a plurality of multi- pixel imaging detectors directly measure the thickness of the casing The tool includes an internal length having a sonde section, wherein the sonde section further includes an x-ray source; a radiation shield for radiation measuring detectors; sonde-dependent electronics; and a plurality of tool logic electronics and PSUs. Other systems and subsystems appropriate for carrying out the foregoing are also disclosed, as are a plurality of example methods of use therefor.
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