发明名称 |
Method for drilling and cementing a well |
摘要 |
<p>A cementitious slurry containing blast furnace slag and a surfactant is utilized to displace an oil based drilling fluid without causing contamination by the blast furnace slag cement. In a specific embodiment, a cementitious slurry comprising blast furnace slag, a surfactant and water is used in the cementing of an annulus surrounding a casing or liner wherein a synthetic oil-containing drilling fluid is present.</p> |
申请公布号 |
OA10178(A) |
申请公布日期 |
1996.12.18 |
申请号 |
OA19950060700 |
申请日期 |
1995.08.22 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
KENNETH MICHAEL COWAN;WOO JANG JAMES NAHM;EUGENE REECE WYANT |
分类号 |
C04B7/153;C04B28/08;C09K8/42;C09K8/46;E21B33/13;E21B33/14;(IPC1-7):E21B7/18 |
主分类号 |
C04B7/153 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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