发明名称 |
Drilling fluid containing a fluid loss control agent of a sulfonated phenol-formaldehyde-phenol resin |
摘要 |
A water-base well drilling, workover or completion fluid containing a fluid loss control agent prepared by pre-reacting sulfonated phenol with formaldehyde under alkaline conditions and then reacting the mixture with phenol under controlled conditions is described.
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申请公布号 |
US4381369(A) |
申请公布日期 |
1983.04.26 |
申请号 |
US19810310237 |
申请日期 |
1981.10.09 |
申请人 |
GEORGIA-PACIFIC CORPORATION |
发明人 |
HOLMQUIST, HOWARD W. |
分类号 |
C08G8/24;C08L61/08;C09K8/24;(IPC1-7):C08L61/08;C08G8/18 |
主分类号 |
C08G8/24 |
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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