发明名称 METHOD TO DETERMINE SELF-CALIBRATED CIRCUMFERENTIAL CASED BOND IMPEDANCE
摘要 <p>A method and device are disclosed for determining the impedance of the cement bond between a borehole casing (140) and its wellbore (110). The invention uses a predicted resonance response as a baseline for determining from the observed resonance response the approximate impedance of the cement. Corrections are made to account for various defects in the casing normalizing the received resonance response.</p>
申请公布号 WO9931354(A1) 申请公布日期 1999.06.24
申请号 WO1998US25866 申请日期 1998.12.04
申请人 HALLI BURTON ENERGY SERVICES, INC. 发明人 MANDAL, BATAKRISHNA;STANDLEY, THOMAS, E.
分类号 E21B47/00;G01H15/00;G01V1/46;(IPC1-7):E21B47/00;G01V1/40 主分类号 E21B47/00
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