发明名称 ANNULAR SEAL BETWEEN WELLHEAD AND HANGER
摘要 A system in some embodiments includes a system, having a seal assembly, including an inner energizing ring, an outer energizing ring, a load ring disposed between the inner energizing ring and the outer energizing ring, a sealing element, and a lock ring. Further other embodiments provide a method of sealing, including rotating an inner energizing ring in a direction to move the inner energizing ring in a first axial direction to seat a seal, rotating an outer energizing ring in the direction to wedgingly engage and set a lock ring in a radial direction, and rotating a load ring in the direction to move the load ring in a second axial direction to set the lock ring.
申请公布号 EP2179126(A2) 申请公布日期 2010.04.28
申请号 EP20080769519 申请日期 2008.05.19
申请人 CAMERON INTERNATIONAL CORPORATION 发明人 NGUYEN, DENNIS P.;TAYLOR, THOMAS E.
分类号 E21B33/04 主分类号 E21B33/04
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