发明名称 |
POLYMER SYSTEMS, AND THEIR USE, IN PARTICULAR IN FRACTURING |
摘要 |
The invention relates to the improvement by a chelating agent of polymer compositions usable in particular in the hydraulic fracturing of underground formations close to a drilling well. The chelating agent is a compound such as fumaric acid, maleic acid or thiourea. Substantially shorter crosslinking time; use possible even with sea water or a brine. |
申请公布号 |
DE3375812(D1) |
申请公布日期 |
1988.04.07 |
申请号 |
DE19833375812 |
申请日期 |
1983.12.20 |
申请人 |
ETUDES ET FABRICATION DOWELL SCHLUMBERGER |
发明人 |
LEMACZYK, RICHARD;DESBRIERES, JACQUES |
分类号 |
C09K8/68;(IPC1-7):E21B43/25 |
主分类号 |
C09K8/68 |
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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