<p>A ram-type blowout preventer and method of actuating thereof. The ram-type blowout preventer includes a seal carrier disposed about a vertical bore between the body and adjacent to the horizontal bore. The seal carrier is configured to be thrust into sealing engagement with at least one of a pair of ram blocks of the ram-type blowout preventer by fluid pressure above the ram blocks and a sealing device forms a seal between the body and the seal carrier.</p>
申请公布号
WO2008073874(A1)
申请公布日期
2008.06.19
申请号
WO2007US86938
申请日期
2007.12.10
申请人
HYDRIL LLC;JUDA, JOHN, DAVID;CHAUVIERE, EUGENE, CHARLES