基本信息:
- 专利标题： BLOWOUT PREVENTER SEAL ASSEMBLY AND METHOD OF USING SAME
- 专利标题（中）：防喷器密封结构及使用方法
- 申请号：EP12727727.5 申请日：2012-06-06
- 公开(公告)号：EP2726699A2 公开(公告)日：2014-05-07
- 发明人： MCCLANAHAN, Perry, Lee , DOUTY, James, Allen , WARD, Richard, M.
- 申请人： National Oilwell Varco, L.P.
- 申请人地址： 7909 Parkwood Circle Drive Houston, Texas 77036 US
- 专利权人： National Oilwell Varco, L.P.
- 当前专利权人： National Oilwell Varco, L.P.
- 当前专利权人地址： 7909 Parkwood Circle Drive Houston, Texas 77036 US
- 代理机构： Lucas, Brian Ronald
- 优先权： US201161502683P 20110629
- 国际公布： WO2013002971 20130103
- 主分类号： E21B33/064
- IPC分类号： E21B33/064
摘要：
A shear sealing system of a blowout preventer of a wellbore is provided. The blowout preventer including a housing having a bore and a guideway therethrough. A tubular of the wellbore is positionable in the bore. The shear sealing system includes at least one carriage, at least one blade and at least one seal. The carriages are slidably positionable in the guideway of the blowout preventer. The blades are carried by the carriages and movable thereby between a retracted position and an extended position. The blades are engageable with the tubular when in the extended position. The seal forms a seal about the tubular and with the blade when the blade is in the extended position.
公开/授权文献:
- EP2726699B1 BLOWOUT PREVENTER SEAL ASSEMBLY AND METHOD OF USING SAME 公开/授权日：2015-07-15
IPC结构图谱:
| E | 固定建筑物 |
| --E21 | 土层或岩石的钻进；采矿 |
| ----E21B | 土层或岩石的钻进；从井中开采油、气、水、可溶解或可熔化物质或矿物泥浆 |
| ------E21B33/00 | 井眼或井的密封或封隔 |
| --------E21B33/02 | .地面密封或封隔 |
| ----------E21B33/03 | ..井口；其配置 |
| ------------E21B33/035 | ...专用于水下设备的 |
| --------------E21B33/064 | ....水下井口专用的 |