发明名称 |
Foamed cement slurries, additives and methods |
摘要 |
The present invention relates to foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and an environmentally benign foaming and stabilizing additive comprising a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl hydroxysultaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride and water.
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申请公布号 |
US7008477(B2) |
申请公布日期 |
2006.03.07 |
申请号 |
US20050203600 |
申请日期 |
2005.08.12 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
CHATTERJI JITEN;KING BOBBY J.;CRONWELL ROGER S.;BRENNEIS D. CHAD;GRAY DENNIS W. |
分类号 |
C04B24/12;C04B24/16;C04B24/24;C04B38/10;C04B40/00;C09K8/473;E21B33/13;E21B33/138 |
主分类号 |
C04B24/12 |
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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