摘要 |
<p>A system for completing a well bore, comprises, a string having a housing, a valve having a valve seat positioned within the housing, the valve seat having an inner channel, a flapper pivotally coupled to the valve seat in which the flapper is configured to move from a first open position to a second closed position such that the inner channel is at least partially obstructed. An energy dampening device is coupled to the valve seat, such that the energy dampening device is configured to at least partially absorb an impact of the flapper on the valve seat.</p> |
申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;GOUGHNOUR, PAUL GORDON;BIDDICK, DAVID, JAMES;MAY, DWAYNE |
发明人 |
GOUGHNOUR, PAUL GORDON;BIDDICK, DAVID, JAMES;MAY, DWAYNE |