发明名称 |
Methods of cementing in subterranean formations |
摘要 |
A method of retarding the set time of a cement composition comprising providing a cement composition that comprises water and a cement, and retarding the set time of the cement composition by including a copolymer retarder in the cement composition, wherein the copolymer retarder comprises olefinically unsaturated non-acrylate sulfonate monomers and olefinically unsaturated carboxylic acid monomers. Methods of cementing in a subterranean formation also are provided.
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申请公布号 |
US6978835(B1) |
申请公布日期 |
2005.12.27 |
申请号 |
US20040963036 |
申请日期 |
2004.10.11 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
REDDY B. RAGHAVA;GRAY DENNIS W.;WAUGH BRYAN K.;VIJN JAN PIETER |
分类号 |
C04B28/02;C09K8/467;E21B33/13;(IPC1-7):E21B33/13 |
主分类号 |
C04B28/02 |
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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