| 发明名称 |
TRIGGERED POLYMER VISCOUS PILL AND METHODS OF USING THE SAME |
| 摘要 |
<p>The invention provides a method comprising providing a composition comprising a pH trigger and a polymer able to be hydrated in a defined pH zone; injecting the composition with a pH outside the defined pH zone; triggering the pH trigger to adjust the pH of the composition within the defined pH zone; and allowing viscosity of the composition to increase and form a plug.</p> |
| 申请公布号 |
EP2663293(A2) |
申请公布日期 |
2013.11.20 |
| 申请号 |
EP20110850278 |
申请日期 |
2011.12.20 |
| 申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED |
发明人 |
MIRAKYAN, ANDREY |
| 分类号 |
A61K9/20;A61K9/48;A61K47/30;A61K47/34;A61K47/38;C09K8/00 |
主分类号 |
A61K9/20 |
| 代理机构 |
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