发明授权
- 专利标题： Clay stabilization during oil and gas well cementing operations
- 专利标题（中）： 油气固井作业期间粘土稳定
-
申请号： US255963申请日： 1981-04-20
-
公开(公告)号： US4393939A公开(公告)日： 1983-07-19
- 发明人: Charles W. Smith , John K. Borchardt
- 申请人： Charles W. Smith , John K. Borchardt
- 申请人地址： OK Duncan
- 专利权人： Halliburton Services
- 当前专利权人： Halliburton Services
- 当前专利权人地址： OK Duncan
- 主分类号： C09K8/04
- IPC分类号： C09K8/04 ; C04B24/00 ; C04B24/16 ; C04B24/24 ; C09K8/46 ; C09K8/487 ; C09K8/50 ; C09K8/56 ; C09K8/60 ; E21C37/00 ; E21B33/138
摘要：
A process for treating a subterranean formation with an aqueous cement composition and minimizing damage to formation permeability by said composition filtrate comprising mixing with said composition at least one polycationic polymer having a molecular weight of about 400 to 6,000,000 prior to treating said formation.
公开/授权文献
- US5528247A Mobile satellite communication system 公开/授权日：1996-06-18
信息查询
