发明名称 System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool
摘要 One or more embodiments of a selectively openable and closable downhole tool. The wherein, the downhole tool can include an outer tubular member having an annulus port formed therethrough. The downhole tool can also include an inner tubular member. The inner tubular member can include an inner port. The inner port and annulus port can be selectively aligned to form a flow path therethrough by moving the inner tubular member relative to the outer tubular member. The downhole tool can also include a logic drum configured to selectively move the inner tubular member. The downhole tool can also include a piston assembly configured to move the logic drum.
申请公布号 US8171998(B1) 申请公布日期 2012.05.08
申请号 US201113006946 申请日期 2011.01.14
申请人 DARNELL WILLIAM JOHN;WINTILL CHARLES DAVID;LONG RODNEY WAYNE;CHRETIEN, SR. TODD ULRICH;BLANTON TRACY DEAN;DARNELL WILLIAM RYLE;PETROQUIP ENERGY SERVICES, LLP 发明人 DARNELL WILLIAM JOHN;WINTILL CHARLES DAVID;LONG RODNEY WAYNE;CHRETIEN, SR. TODD ULRICH;BLANTON TRACY DEAN;DARNELL WILLIAM RYLE
分类号 E21B43/00;E21B34/10 主分类号 E21B43/00
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