| 发明名称 |
Fluid loss reducer for high temperature high pressure water-based mud application |
| 摘要 |
The present invention concerns a water-based drilling mud comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer.
|
| 申请公布号 |
EP1431368(A1) |
申请公布日期 |
2004.06.23 |
| 申请号 |
EP20020293131 |
申请日期 |
2002.12.18 |
| 申请人 |
ELIOKEM |
发明人 |
GUICHARD, BERTRAND;VONGHPHOUTONE, PATRICK;WOOD, BARRY |
| 分类号 |
C09K8/28;C09K8/502;(IPC1-7):C09K7/02;E21B33/138 |
主分类号 |
C09K8/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
