发明公开
- 专利标题： METHOD FOR REMOVING ALKALINE EARTH METAL SCALE
- 专利标题（中）： 消除碱土金属标度的方法
-
申请号： EP95908050.0申请日： 1995-01-13
-
公开(公告)号： EP0764061A1公开(公告)日： 1997-03-26
- 发明人: PAUL, James, Mark
- 申请人： MOBIL OIL CORPORATION
- 申请人地址： 3225 Gallows Road Fairfax, Virginia 22037-0001 US
- 专利权人： MOBIL OIL CORPORATION
- 当前专利权人： MOBIL OIL CORPORATION
- 当前专利权人地址： 3225 Gallows Road Fairfax, Virginia 22037-0001 US
- 代理机构： Colmer, Stephen Gary, et al
- 优先权： US19940254334 19940606
- 国际公布： WO1995033581 19951214
- 主分类号： C09K8
- IPC分类号： C09K8 ; E21B37
摘要：
The present invention relates to a method of removing alkaline earth sulphate scale (22) from the interior surface of downhole production tubing (16) comprising contacting the scale (22) with a solvent having a specific gravity of at least 1.2 while simultaneously milling the scale (22) with a rotating mill head (20) connected to a downhole motor.
信息查询
