| 发明名称 | Control system for a subsea well | ||
| 摘要 | A control system for a subsea well is provided. The control system comprises a tree comprising a hydraulic control supply line for use in opening a downhole safety valve as a result of hydraulic pressure in the line. A part of the line is carried by a structure which is subject to the pressure of a production fluid from the well used in the control system so that the line is separable in response to a failure of the integrity of the structure. | ||
| 申请公布号 | US9175540(B2) | 申请公布日期 | 2015.11.03 |
| 申请号 | US201213605556 | 申请日期 | 2012.09.06 |
| 申请人 | Vetco Gray Inc. | 发明人 | Voss Robert Karl;Munro William |
| 分类号 | E21B7/12;E21B33/035 | 主分类号 | E21B7/12 |
| 代理机构 | GE Global Patent Operation | 代理人 | GE Global Patent Operation |
| 主权项 | 1. A control system for a subsea well, the control system comprising: a tree comprising a hydraulic control supply line for use in opening a downhole safety valve as a result of hydraulic pressure in the line; a structure comprising a production wing block configured to carry part of the line, the line being mounted to an outer portion of the production wing block using a fastener, the line being directly connected to the tree, wherein the structure is part of the production fluid flow path downstream of the tree and defines part of a flow path of the production fluid from the well, and is subject to the pressure of a production fluid from the well used in the control system; wherein in response to a failure of the integrity of the structure, the line separates and vents fluid resulting in the closure of a downhole safety valve. | ||
| 地址 | Houston TX US | ||