发明授权
- 专利标题: Foamed well cement slurries, additives and methods
- 专利标题(中): 发泡水泥浆,添加剂和方法
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申请号: US294234申请日: 1999-04-19
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公开(公告)号: US6063738A公开(公告)日: 2000-05-16
- 发明人: Jiten Chatterji , Roger S. Cromwell , Frank Zamora , Bobby J. King
- 申请人: Jiten Chatterji , Roger S. Cromwell , Frank Zamora , Bobby J. King
- 申请人地址: 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: OK Duncan
- 主分类号: C04B24/12
- IPC分类号: C04B24/12 ; C04B40/00 ; C09K8/46 ; C09K8/473 ; C09K3/00 ; C04B5/00 ; E21B33/13
摘要:
The present invention provides improved foamed well cement slurries, additives and methods. The additives, which foam and stabilize a cement slurry containing fresh water or salt water, are basically comprised of a mixture of an ethoxylated alcohol ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant and an alkyl or alkene amidopropyl dimethyl amine oxide surfactant.
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