Invention Grant
US07789160B2 Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants
有权
向水溶性嵌段共聚物中加入非离子表面活性剂以增加共聚物在含有盐和/或表面活性剂的水溶液中的稳定性
- Patent Title: Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants
- Patent Title (中): 向水溶性嵌段共聚物中加入非离子表面活性剂以增加共聚物在含有盐和/或表面活性剂的水溶液中的稳定性
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Application No.: US12253934Application Date: 2008-10-17
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Publication No.: US07789160B2Publication Date: 2010-09-07
- Inventor: Lawrence Alan Hough , Gilda Maria Lizarraga , Herve Adam , Jean-Christophe Castaing , Subramanian Kesavan
- Applicant: Lawrence Alan Hough , Gilda Maria Lizarraga , Herve Adam , Jean-Christophe Castaing , Subramanian Kesavan
- Applicant Address: US NJ Cranbury
- Assignee: Rhodia Inc.
- Current Assignee: Rhodia Inc.
- Current Assignee Address: US NJ Cranbury
- Agency: Novak, Druce + Quigg LLP
- Main IPC: E21B43/22
- IPC: E21B43/22 ; E21B43/26
Abstract:
An aqueous fluid useful for the recovery of crude oil from a subterranean formation, which includes a composition including a mixture of water, a water soluble block copolymer, an inorganic salt and at least one member of the group of a nonionic surfactant having an HLB of less than 12, and methods for using same.
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