发明名称 |
METHODS OF CEMENTING USING A FLUID LOSS CONTROL ADDITIVE |
摘要 |
<p>A method of cementing, comprising displacing a cement composition into a workspace, wherein the cement composition comprises cement, water, and a fluid loss control additive comprising a polymer and a sugar connected by a pH-sensitive crosslink, and allowing the cement composition to set. A method for reducing fluid loss from a cement composition, comprising providing a cement and a fluid loss control additive, wherein the fluid loss control additive comprises a polymer and a sugar connected by a pH-sensitive crosslink, and mixing the cement, fluid loss control additive, and water to form the cement composition.</p> |
申请公布号 |
EP1871723(A1) |
申请公布日期 |
2008.01.02 |
申请号 |
EP20060709651 |
申请日期 |
2006.02.03 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
SZYMANSKI, MICHAEL, J.;LEWIS, SAMUEL, J.;SEGURA, MICHAEL, J., R. |
分类号 |
C04B28/02;C09K8/42 |
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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