发明授权
US07244303B2 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: US07244303B2公开(公告)日: 2007-07-17
- 发明人: Jiten Chatterji , James F. Heathman , Dennis W. Gray , Bryan K. Waugh
- 申请人: Jiten Chatterji , James F. Heathman , Dennis W. Gray , Bryan K. Waugh
- 申请人地址: US OK Duncan
- 专利权人: Halliburton Energy Services, Inc.
- 当前专利权人: Halliburton Energy Services, Inc.
- 当前专利权人地址: US OK Duncan
- 代理机构: Fletcher Yoder
- 代理商 Craig W. Roddy
- 主分类号: C04B24/00
- IPC分类号: C04B24/00 ; C04B24/12 ; C04B24/16
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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