| 发明名称 |
PROCESS FOR RETARDING AND CONTROLLING THE FORMATION OF GELS OR PRECIPITATES DERIVED FROM ALUMINUM AND CORRESPONDING COMPOSITIONS, PLUS THE CORRESPONDING APPLICATIONS - IN PARTICULAR REGARDING OIL WELLS |
| 摘要 |
The invention concerns the plugging of underground formations. The plugging agent used is aluminum hydroxychloride with hexamethylene tetramine, or a weak-base activator such as urea. The invention has applications in the treatment of oil wells and the traversed formations.
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| 申请公布号 |
CA1282667(C) |
申请公布日期 |
1991.04.09 |
| 申请号 |
CA19860512754 |
申请日期 |
1986.06.30 |
| 申请人 |
PARKER, ALLEN;DAVIDSON, COLIN |
发明人 |
PARKER, ALLEN;DAVIDSON, COLIN |
| 分类号 |
C01F7/00;C01F7/56;C09K8/504;C09K8/84;(IPC1-7):C09K3/00;E21B43/12 |
主分类号 |
C01F7/00 |
| 代理机构 |
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