发明授权
US06390195B1 Methods and compositions for forming permeable cement sand screens in well bores
有权
在井眼中形成渗透性水泥砂筛的方法和组合物
- 专利标题： Methods and compositions for forming permeable cement sand screens in well bores
- 专利标题（中）： 在井眼中形成渗透性水泥砂筛的方法和组合物
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申请号： US09698315申请日： 2000-10-27
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公开(公告)号： US06390195B1公开(公告)日： 2002-05-21
- 发明人: Philip D. Nguyen , Ronald J. Crook , Johnny A. Barton , David L. Brown
- 申请人： Philip D. Nguyen , Ronald J. Crook , Johnny A. Barton , David L. Brown
- 主分类号： E21B33138
- IPC分类号： E21B33138
摘要：
Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, a particulate cross-linked gel containing an internal breaker which after time causes the gel to break into a liquid and water present in an amount sufficient to form a slurry.
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