发明名称 |
INTERVENTION BLOWOUT PREVENTER AND WELL INTERVENTION TOOL |
摘要 |
<p>The present invention relates to an intervention blowout preventer (1) for being mounted on a well head (2) or a Christmas tree, comprising a plurality of valves (3, 4) arranged in fluid communication with each other, connected and forming a tubular pipe (5) enclosing a cavity being in fluid communication with the well head when the intervention blowout preventer is mounted onto the well head and at least one plug (37) in the well head has been removed, wherein the intervention blowout preventer further comprises a pressure reducing system (1) comprising a chamber (6) and a piston (7) arranged inside the chamber dividing the chamber into a first chamber part (8) and a second chamber part (9), the first chamber part being in fluid communication with the cavity and the second chamber part being filled with a compressible fluid, such as gas. Furthermore, the invention relates to a well intervention tool (100), a well intervention system (200) and a well intervention method.</p> |
申请公布号 |
WO2013010777(A1) |
申请公布日期 |
2013.01.24 |
申请号 |
WO2012EP62699 |
申请日期 |
2012.06.29 |
申请人 |
WELLTEC A/S;HALLUNDBAEK, JOERGEN;VASQUES, RICARDO REVES;IVERSEN, MORTEN;MACAULAY, MALCOLM |
发明人 |
HALLUNDBAEK, JOERGEN;VASQUES, RICARDO REVES;IVERSEN, MORTEN;MACAULAY, MALCOLM |
分类号 |
E21B33/064;E21B33/076 |
主分类号 |
E21B33/064 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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