发明名称 |
LOW FLUID LOSS CEMENT COMPOSITIONS, FLUID LOSS REDUCING ADDITIVES AND METHODS |
摘要 |
Improved liquid fluid loss reducing additives, well cement compositions containing the additives and methods of using the compositions are provided by this invention. The liquid fluid loss reducing additives are basically comprised of water, polyethylene imine, an alkali metal salt of alkylbenzene sulfonic acid and an alkali metal salt of naphthalene sulfonic acid condensed with formaldehyde.
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申请公布号 |
CA2102040(A1) |
申请公布日期 |
1994.05.01 |
申请号 |
CA19932102040 |
申请日期 |
1993.10.29 |
申请人 |
BRAKE, BOBBY G.;CHATTERJI, JITEN |
发明人 |
BRAKE, BOBBY G.;CHATTERJI, JITEN |
分类号 |
C04B24/20;C04B24/28;C04B28/02;C09K8/46;C09K8/487;(IPC1-7):E21B33/13 |
主分类号 |
C04B24/20 |
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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