| 发明名称 |
Composition and method for fluid loss control in acid fracturing of earthen formations. |
| 摘要 |
<p>Novel compositions and method of controlling fluid loss during acid fracturing employing a gelled acid which is crosslinked by Fe(III) upon spending of the acid. The crosslinking is later reversed by means of a reducing agent which is activated as the pH of the spent acid rises.</p> |
| 申请公布号 |
EP0278540(A2) |
申请公布日期 |
1988.08.17 |
| 申请号 |
EP19880200035 |
申请日期 |
1988.01.13 |
| 申请人 |
COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER;PUMPTECH N.V. |
发明人 |
CROWE, CURTIS W. |
| 分类号 |
C09K8/68;C09K8/76;(IPC1-7):E21B43/26;E21B43/27 |
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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