<p>An electromagnetic logging tool includes a support configured for disposal in a well; at least one antenna mounted on the support; and a plurality of coils mounted on the support proximate the at least one antenna, wherein the plurality of the coils are configured for selective connection with the at least one antenna. A methods for balancing an induction array on an electromagnetic logging tool includes measuring a mutual coupling between a transmitter and a receiver on the electromagnetic logging tool; and selectively connecting a subset of a plurality of coils on the electromagnetic logging tool to the transmitter or the receiver based on the measured mutual coupling.</p>
申请公布号
CA2537788(C)
申请公布日期
2012.04.10
申请号
CA20062537788
申请日期
2006.02.27
申请人
SCHLUMBERGER CANADA LIMITED
发明人
CHESSER, SCOTT S.;WARD, RICHARD D.;FINCI, BULENT;DAVYDYCHEV, ANDREI I.;VANDERMEER, WILLIAM B.;HUNKA, JOHN F.