发明名称 |
STRAIGHT-BORE BACK PRESSURE VALVE |
摘要 |
A system in some embodiments includes a back pressure valve. The back pressure valve includes a body, a plunger disposed internal to the body, and a friction member disposed about the exterior of the body. The friction member is configured to expand radially to contact an internal surface of a bore. In some embodiments, a method includes disposing a back pressure valve into a straight bore and expanding a friction member of the back pressure valve radially into contact with an internal surface of the straight bore. |
申请公布号 |
US2014182863(A1) |
申请公布日期 |
2014.07.03 |
申请号 |
US201314144478 |
申请日期 |
2013.12.30 |
申请人 |
Cameron International Corporation |
发明人 |
Nguyen Dennis P.;Contreras Maria R. |
分类号 |
E21B34/02 |
主分类号 |
E21B34/02 |
代理机构 |
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代理人 |
|
主权项 |
1. A system, comprising:
a back pressure valve running tool, comprising:
a stem configured to engage a back pressure valve plunger of a back pressure valve;a protrusion configured to engage a lock ring of the back pressure valve; anda hydraulic port configured to provide a fluid path to a complementary hydraulic port of the back pressure valve. |
地址 |
Houston TX US |