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redundant reference system for multilateral outlet construction in a wellbore and redundant reference method for multilateral outlet construction in a wellbore
redundant reference system for multilateral outlet construction in a wellbore and redundant reference method for multilateral outlet construction in a wellbore
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机译:井眼中多边出口构造的冗余参考系统和井眼中多边出口构造的冗余参考方法
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摘要
A position reference system (100) for multilateral exit construction in a wellbore (32). The system (100) includes a casing string (34) having a window joint (106) and a pair of latch couplings (102, 104) interconnected therein and positioned in the wellbore (32). The first latch coupling (102) has a first inner profile operably engagable with a mating profile of a first latch assembly (114) to anchor and orient the first latch assembly (114) relative to the window joint (106). The second latch coupling (104) has a second inner profile that is different from the first inner profile of the first latch coupling (102). The second inner profile is operably engagable with a mating profile of a second latch assembly (124) to anchor and orient the second latch assembly (124) relative to the window joint (106).
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