发明申请
US20060081155A1 Set retarder compositions, cement compositions, and associated methods
有权
设定缓凝剂组合物，水泥组合物和相关方法
- 专利标题： Set retarder compositions, cement compositions, and associated methods
- 专利标题（中）： 设定缓凝剂组合物，水泥组合物和相关方法
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申请号： US11296784申请日： 2005-12-07
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公开(公告)号： US20060081155A1公开(公告)日： 2006-04-20
- 发明人: Jiten Chatterji , James Heathman , Dennis Gray , Bryan Waugh
- 申请人： Jiten Chatterji , James Heathman , Dennis Gray , Bryan Waugh
- 主分类号： C04B28/26
- IPC分类号： C04B28/26 ; C04B28/14
摘要：
Cement compositions, that comprise water, a cement, a strength-retrogression additive, and an acid, wherein the acid comprises ethylenediamine tetra acetic acid, nitrilotriacetic acid, or a combination thereof, are provided. Methods of cementing in a subterranean formation, methods of retarding the set time of a cement composition, and set retarder compositions also are provided.
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