发明名称 |
Water-based drilling fluids for reduction of water adsorption and hydration of argillaceous rocks |
摘要 |
The present invention provides a water-based drilling fluid that reduces water adsorption and hydration of argillaceous rocks. The drilling fluid comprises a glycol with a molecular weight of less than about 200, an organic cationic material such as salts of choline or an organic salt of potassium, a filtration control agent, a viscosifier and water.
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申请公布号 |
US5635458(A) |
申请公布日期 |
1997.06.03 |
申请号 |
US19950397436 |
申请日期 |
1995.03.01 |
申请人 |
M-I DRILLING FLUIDS, L.L.C. |
发明人 |
LEE, LI-JEIN J.;PATEL, ARVIND D. |
分类号 |
C09K8/12;C09K8/22;(IPC1-7):C07K7/00;C09K7/02 |
主分类号 |
C09K8/12 |
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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