Mechanism for activating a plurality of downhole devices
作者： Murat Ocalan , Kuo-Chiang Chen , Iain Cooper , Hitoshi Tashiro , Jahir A Pabon
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摘要: A mechanism for selectively activating a plurality of downhole pathways including a) valve having: i) sleeve coupled movement between an open and normally closed position; ii) magnet set mounted to the sleeve; b) dart pumping in hole matched such that couples when close proximity and, turn, moves from position position.
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