发明名称 |
WELLBORE SERVICING COMPOSITIONS COMPRISING A SET RETARDING AGENT AND METHODS OF MAKING AND USING SAME |
摘要 |
<p>A method of servicing a wellbore comprising preparing a composition comprising a calcium aluminate cement, water, a polyphosphate, a pozzolan, and a set retarding agent, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt, placing the composition in the wellbore and allowing the composition to set. A composition comprising a calcium aluminate cement in an amount of from about 30 wt. % to about 60 wt. % and a set retarding agent in an amount of from about 0.1 wt. % to about 15 wt. % based upon the total weight of the composition, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt in a ratio of from about 3:1 to about 1:3.</p> |
申请公布号 |
EP2408875(A1) |
申请公布日期 |
2012.01.25 |
申请号 |
EP20100709027 |
申请日期 |
2010.03.15 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
KEYS, CRYSTAL, LYNNE;BROTHERS, LANCE, E. |
分类号 |
C09K8/42;C04B18/08;C04B28/06;C04B28/34;C04B40/00;C09K8/467 |
主分类号 |
C09K8/42 |
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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