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SIGNAL OPERATED TOOLS FOR MILLING, DRILLING, AND/OR FISHING OPERATIONS
申请公布号：WO2009137537(A2)
申请号：WO2009US42918
申请日期：2009.05.05
申请公布日期：2009.11.12
发明人：REDLINGER, THOMAS, M.;KOITHAN, THOMAS;VREELAND, CHRISTOPHER, M.;HEISKELL, WES;ANTOINE, ANDREW;MCINTIRE, SCOTT
分类号：E21B7/06;E21B21/10;E21B23/02;E21B29/06;E21B31/107;E21B31/113
主分类号：E21B7/06
摘要：Embodiments of the present invention generally relate to signal operated tools for milling, drilling, and/or fishing operations. In one embodiment, a mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock is operable to: rotationally couple the rotor to the stator in a locked position, receive an instruction signal from the surface, release the rotor in an unlocked position, and actuate from the locked position to the unlocked position in response to receiving the instruction signal.
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