Invention Grant
- Patent Title: Selectable tap induction coil
- Patent Title (中): 可选择抽头感应线圈
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Application No.: US12177990Application Date: 2008-07-23
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Publication No.: US07679366B2Publication Date: 2010-03-16
- Inventor: Scott S. Chesser , Richard D. Ward , Bulent Finci , Andrei I. Davydychev , William B. Vandermeer , John F. Hunka
- Applicant: Scott S. Chesser , Richard D. Ward , Bulent Finci , Andrei I. Davydychev , William B. Vandermeer , John F. Hunka
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Darla P. Fonseca; Jaime Castano
- Main IPC: G01V3/28
- IPC: G01V3/28 ; G01V3/10

Abstract:
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.
Public/Granted literature
- US20080278170A1 SELECTABLE TAP INDUCTION COIL Public/Granted day:2008-11-13
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