发明公开
- 专利标题： Improved stress-corrosion resistant proppant for oil and gas wells
- 专利标题（中）： 改进的耐油耐腐蚀性优点
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申请号： EP86108611申请日： 1986-06-24
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公开(公告)号： EP0207427A3公开(公告)日： 1988-10-26
- 发明人: Khaund, Arup K.
- 申请人： NORTON COMPANY
- 专利权人： NORTON COMPANY
- 当前专利权人： NORTON COMPANY
- 优先权： US750714 19850628
- 主分类号： E21B43/267
- IPC分类号： E21B43/267 ; C09K03/14 ; C04B35/10
摘要：
Aluminous proppant media in the form of sintered bauxite spheres containing silica are improved in resistance to stress corrosion by inclusion of zirconia in the mix prior to firing in the amount of a silica to zirconia ratio of from 6/1 to 20/1.
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