发明名称 DUAL-DIRECTION RAM-TYPE BLOWOUT PREVENTER SEAL
摘要 <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 发明人 JUDA, JOHN, DAVID;CHAUVIERE, EUGENE, CHARLES
分类号 E21B7/00 主分类号 E21B7/00
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