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Determining Correction Factors Representing Effects of Different Portions of a Lining Structure
Determining Correction Factors Representing Effects of Different Portions of a Lining Structure
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机译:确定代表衬里结构不同部分影响的校正因子
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摘要
To determine effect on a magnetic field caused by a lining structure in a wellbore, an array may be deployed into the wellbore lined with the lining structure. The array comprises a plurality of sensors including sensor A configured to operate as a transmitter, sensor B configured to operate as either a transmitter or a receiver, and sensor C configured to operate as a receiver. The array measures magnetic fields using sensor B as a receiver and sensor C in response to activation of sensor B as a transmitter and sensor A. A plurality of lining structure correction factors can be calculated based on the measured magnetic fields, based on the reciprocity of the sensors.
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