基本信息:
- 专利标题： METHOD AND APPARATUS FOR LOCATING WET CEMENT PLUGS IN OPEN BORE HOLES
- 申请号：CA605709 申请日：1989-07-14
- 公开(公告)号：CA1307359C 公开(公告)日：1992-09-08
- 发明人： BENNETT FRANK
- 申请人： BENNETT FRANK
- 专利权人： BENNETT FRANK
- 当前专利权人： BENNETT FRANK
- 优先权： CA605709 1989-07-14
- 主分类号： E21B47/005
- IPC分类号： E21B47/005 ; E21B47/09 ; E21B49/08 ; E21B33/13
摘要：
A method and apparatus for locating and determining the quality of a downhole wet cement abandonment plug positioned in an open bore hole. The quality of the plug is determined by retrieving a sample of the wet cement mixture to the surface by remotely operating a fluid sampler included as one component in a logging tool. The sample permits the determination of the purity and quality of a downhole wet cement plug, providing valuable information for assessing whether the plug will set properly. Thus the method and apparatus greatly reduces the risk of plug failure due to an inferior cement mixture resulting from the intrusion of contaminants in a wet cement plug. PAT 1020-1
信息查询:
EspacenetIPC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 |
| ------E21B47/00 | 测量钻孔或井 |
| --------E21B47/005 | .灌浆质量或水平的监测或检查 |