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Microresistivity anisotropy logging tool employing a monopole current injection electrode
Microresistivity anisotropy logging tool employing a monopole current injection electrode
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机译:采用单极电流注入电极的微电阻率各向异性测井仪
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摘要
A microresistivity logging tool includes a monopole current injection electrode and at least first and second pairs of potential electrodes. The tool may further include a controller configured for making microresistivity anisotropy measurements using a single firing of the monopole current injection electrode. The controller may be configured to compute a two-dimensional tensor of the local formation resistivity from a single firing of the monopole current injection electrode. The use of a single firing tends to decrease measurement time, which in turn tends to improved azimuthal sensitivity in microresistivity anisotropy imaging while drilling applications.
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