| 发明名称 |
Crosslinking Chitosan for Reducing Permeability in a Well |
| 摘要 |
A composition including: (a) an aqueous phase; (b) a chitosan-based compound dispersed or dissolved in the aqueous phase; and (c) a crosslinker dispersed or dissolved in the aqueous phase, wherein the crosslinker has at least two functional groups independently selected from the group consisting of aldehyde, carboxylic acid, and carboxylate. A method including the step of introducing a composition according to the invention into a treatment zone of a well. |
| 申请公布号 |
US2014329724(A1) |
申请公布日期 |
2014.11.06 |
| 申请号 |
US201313887536 |
申请日期 |
2013.05.06 |
| 申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
George Shoy C.;Patil Prajakta Ratnakar;Das Prasanta |
| 分类号 |
C09K8/90 |
主分类号 |
C09K8/90 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A composition comprising:
(a) an aqueous phase; (b) a chitosan-based compound dispersed or dissolved in the aqueous phase; and (c) a crosslinker dispersed or dissolved in the aqueous phase, wherein the crosslinker has at least two functional groups independently selected from the group consisting of aldehyde, carboxylic acid, and carboxylate. |
| 地址 |
Houston TX US |
