发明名称 |
METHODS AND COMPOSITIONS FOR SEALING SUBTERRANEAN ZONES |
摘要 |
The present invention provides methods and compositions for sealing subterranean zones. The methods of the invention basically comprise the steps of preparing a sealing composition comprised of an aqueous alkali metal silicate solution, a gelling agent and a delayed acid activator for causing the composition to set into a rigid mass, placing the sealing composition in said subterranean zone and allowing the sealing composition to set into a rigid sealing mass therein.
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申请公布号 |
CA2254381(A1) |
申请公布日期 |
1999.05.26 |
申请号 |
CA19982254381 |
申请日期 |
1998.11.24 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
CHATTERJI, JITEN;NORMAN, LEWIS R.;KING, BOBBY J.;ONAN, DAVID D.;CROMWELL, ROGER S. |
分类号 |
C04B28/26;C09K8/50;C09K8/512;C09K8/518;(IPC1-7):C09K7/02;E21B33/13 |
主分类号 |
C04B28/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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