发明申请
US20070246216A1 ISOLATION SYSTEM COMPRISING A PLUG AND A CIRCULATION VALVE AND METHOD OF USE
有权
包含插管和循环阀的隔离系统及其使用方法
- 专利标题： ISOLATION SYSTEM COMPRISING A PLUG AND A CIRCULATION VALVE AND METHOD OF USE
- 专利标题（中）： 包含插管和循环阀的隔离系统及其使用方法
-
申请号： US11737978申请日： 2007-04-20
-
公开(公告)号： US20070246216A1公开(公告)日： 2007-10-25
- 发明人: Dewayne Turner
- 申请人： Dewayne Turner
- 申请人地址： US TX Houston
- 专利权人： BJ SERVICES COMPANY
- 当前专利权人： BJ SERVICES COMPANY
- 当前专利权人地址： US TX Houston
- 主分类号： E21B43/16
- IPC分类号： E21B43/16
摘要：
An isolation system for an oil and gas well is described wherein the system comprises an isolation section and a first isolation device integral with the section and a second isolation device sealingly engaged to the section. The first isolation device may be a pressure-actuated valve and the second isolation device may be a plug.