专利检索 ap:("Williams, Brian" OR "Lafleur, Gregory") AND inv:"Williams, Brian" 第 1 页

1.

发明公开
BLOWOUT PREVENTER TEST JOINT ASSEMBLY FOR TESTING VARIABLE BORE RAMS, SHEAR RAMS AND ANNULARS 审中-公开
标题翻译：用于测试可变孔径记忆体，剪切记忆体和环形的消音器测试接头组件

公开(公告)号：EP3253943A1

公开(公告)日：2017-12-13

申请号：EP15881377.4

申请日：2015-05-11

申请人： Williams, Brian , Lafleur, Gregory

发明人： Williams, Brian , Lafleur, Gregory

IPC分类号： E21B33/064

CPC分类号： E21B33/06 , E21B33/061 , E21B33/064 , E21B47/00 , E21B47/1025

摘要： The invention discloses a test joint assembly for testing subsea BOP stack valves and annulars in one trip. The test joint assembly has an outer mandrel and a telescopically extendable inner mandrel. The inner mandrel seals against a bottom sub member using a bullnose sealing member.