- 专利标题： Compositions for solving lost circulation problems
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申请号： US09999313申请日： 2001-11-15
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公开(公告)号： US06508306B1公开(公告)日： 2003-01-21
- 发明人: B. Raghava Reddy , Jiten Chatterji , Roger S. Cromwell
- 申请人： B. Raghava Reddy , Jiten Chatterji , Roger S. Cromwell
- 主分类号： E21B33138
- IPC分类号： E21B33138
摘要：
A method and composition is provided for sealing a subterranean zone penetrated by a well bore and restoring lost circulation, wherein the composition basically comprises a mixture of latex, melamine-formaldehyde resin, and a catalyst.
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