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公开(公告)号：US12116852B2
公开(公告)日：2024-10-15
申请号：US17837363
申请日：2022-06-10
申请人： Mohammed Parvez Khan
发明人： Mohammed Parvez Khan
摘要： An open hole tieback completion pressure activated backpressure valve including a housing, a flapper articulated to the housing, a lock out sleeve axially movably disposed within the housing and operatively disposed in relation to the flapper, a seat operatively connected to the sleeve, and a profile that locks the sleeve in place after axial movement of the sleeve. A borehole system including an intervention-less closed lower completion system having delayed opening activation valves with a wellbore isolation valve uphole of a float shoe, and a casing tie-back completion including the valve. A method for completing an open hole including landing an object on a seat of an open hole tieback completion pressure activated backpressure valve, locking out the valve, releasing the object, and landing the same object on a well isolation valve of a lower completion.
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2.发明公开公开(公告)号：US20230399905A1
公开(公告)日：2023-12-14
申请号：US17837363
申请日：2022-06-10
申请人： Mohammed Parvez Khan
发明人： Mohammed Parvez Khan
摘要： An open hole tieback completion pressure activated backpressure valve including a housing, a flapper articulated to the housing, a lock out sleeve axially movably disposed within the housing and operatively disposed in relation to the flapper, a seat operatively connected to the sleeve, and a profile that locks the sleeve in place after axial movement of the sleeve. A borehole system including an intervention-less closed lower completion system having delayed opening activation valves with a wellbore isolation valve uphole of a float shoe, and a casing tie-back completion including the valve. A method for completing an open hole including landing an object on a seat of an open hole tieback completion pressure activated backpressure valve, locking out the valve, releasing the object, and landing the same object on a well isolation valve of a lower completion.
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