| 发明名称 |
One shot valve for operating down-hole well working and sub-sea devices and tools |
| 摘要 |
This invention relates generally to remotely operated well borehole or sub-sea tools for oilfield use, and more particularly, for a one shot valve useful for activating such well tools or sub-sea devices in a safe and reliable manner.
|
| 申请公布号 |
US6382234(B1) |
申请公布日期 |
2002.05.07 |
| 申请号 |
US19970922274 |
申请日期 |
1997.09.03 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
BIRCKHEAD JOHN;EHLERT HARRY |
| 分类号 |
E21B34/06;F16K13/00;F16K31/02;(IPC1-7):F16K17/40 |
主分类号 |
E21B34/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
