| 发明名称 | Safety device for retrieving component within wellhead | ||
| 摘要 | A system is provided that includes a safety device configured to mount in a mineral extraction system and block axial movement of a plug in the mineral extraction system while the plug is released from a retainer. The safety device may be a sleeve configured to receive screws or other retention mechanism in a tubular. A method is provided that includes installing a plug safety catch into a tubular of a mineral extraction system in which the safety device is configured to block axial movement of a plug in response to a pressure differential while the plug is released from a mount position. | ||
| 申请公布号 | US8800646(B2) | 申请公布日期 | 2014.08.12 |
| 申请号 | US200812743818 | 申请日期 | 2008.11.13 |
| 申请人 | Cameron International Corporation | 发明人 | Harkins Randall Dean;Guidry Kirk Paul;Taylor Thomas Edgar |
| 分类号 | E21B33/06 | 主分类号 | E21B33/06 |
| 代理机构 | Fletcher Yoder, P.C. | 代理人 | Fletcher Yoder, P.C. |
| 主权项 | 1. A system, comprising: an annular safety device configured to mount in a mineral extraction system with a plug, such that the annular safety device has a central axis parallel to the central axis of the plug and is disposable above the plug, wherein the annular safety device has a portion configured to block axial movement of a plug through the annular safety device in the mineral extraction system while the plug is removed from a retainer separate from the annular safety device along the central axis of the plug. | ||
| 地址 | Houston TX US | ||