发明名称 ROTARY STEERABLE TOOL
摘要 A drilling portion for use with a rotary steerable tool (100) includes an outer housing (102), a rotary shaft (104) extending through the outer housing, a drive clutch (132) coupled to the rotary shaft, wherein the drive clutch is movable between an engaged configuration and a disengaged configuration, and a sensor (172) coupled to the rotary shaft, wherein the sensor is configured to identify whether the drive clutch is in at least one of the engaged configuration and the disengaged configuration.
申请公布号 CA2736781(A1) 申请公布日期 2011.10.23
申请号 CA20112736781 申请日期 2011.04.07
申请人 GENERAL ELECTRIC COMPANY 发明人 TULLOCH, RORY MCCRAE;BLAIR, COLIN ROBERT;OATES, JOHN
分类号 E21B7/08 主分类号 E21B7/08
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