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PIPE RAM ANNULAR ADJUSTABLE RESTRICTION FOR MANAGED PRESSURE DRILLING WITH CHANGEABLE RAMS
PIPE RAM ANNULAR ADJUSTABLE RESTRICTION FOR MANAGED PRESSURE DRILLING WITH CHANGEABLE RAMS
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机译:带有可变RAM的可控压力钻杆的PIPE RAM环形可调式限制
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摘要
An apparatus includes a housing and at least two pipe ram systems engageable with the housing. Each of the at least two pipe ram systems comprises an actuator, a bonnet and a sealing pipe ram element. The at least two pipe ram systems are disposed on opposed sides of the housing. A carousel is disposed proximate at least one of the at least two pipe ram systems. The carousel has mounted thereon a plurality of pipe ram systems. The carousel is rotatable to orient a selected one of the plurality of pipe ram systems toward a receiving bore in the housing.
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