发明名称 APPARATUS AND METHODS FOR REDUCING BOREHOLE CURRENT EFFECTS.
摘要 A well logging tool includes a conductive mandrel; an antenna array disposed around the conductive mandrel, wherein the antenna array comprises a plurality of antennas disposed on insulating supports and at least one contact spacer, the at least one contact spacer having at least one conductor channel having a contact assembly disposed therein; and a sleeve disposed over the antenna array, wherein the sleeve includes at least one electrode, the at least one electrode and the contact assembly adapted to provide a radially conductive path from an exterior of the well logging tool to the conductive mandrel.
申请公布号 MXPA04006816(A) 申请公布日期 2005.06.17
申请号 MX2004PA06816 申请日期 2004.07.14
申请人 SCHLUMBERGER TECHNOLOGY B. V. 发明人 DAVID T. OLIVER
分类号 G01V3/28;(IPC1-7):E21B7/08 主分类号 G01V3/28
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