Title:
METHOD AND COMPOSITION FOR ENHANCED OIL RECOVERY
Document Type and Number:
WIPO Patent Application WO/2011/119785
Kind Code:
A3
Abstract:
In one aspect, embodiments disclosed herein relate to a process for enhanced oil recovery. The process includes the steps of providing an alkali metal borohydride; providing an alkali metal bisulfite; combining the alkali metal borohydride and the alkali metal bisulfite along with water to provide an oxygen-scavenger composition; combining the oxygen-scavenger composition and an aqueous composition to provide an oil recovery solution; and introducing the oil recovery solution into an earthen formation at a pressure to provide for enhanced oil recovery.
Inventors:
LUMSDEN CHARLES A (US)
DIAZ RAUL O (US)
DIAZ RAUL O (US)
Application Number:
PCT/US2011/029709
Publication Date:
February 02, 2012
Filing Date:
March 24, 2011
Export Citation:
Assignee:
MONTGOMERY CHEMICALS LLC (US)
NALCO CO (US)
LUMSDEN CHARLES A (US)
DIAZ RAUL O (US)
NALCO CO (US)
LUMSDEN CHARLES A (US)
DIAZ RAUL O (US)
International Classes:
C09K8/58; C09K8/588; E21B43/16
Foreign References:
| US4898819A | 1990-02-06 | |||
| US20070125714A1 | 2007-06-07 | |||
| JPS5991295A | 1984-05-25 | |||
| JPS61242295A | 1986-10-28 |
Attorney, Agent or Firm:
BERGMAN, Jeffrey S. et al. (909 Fannin Street Suite 350, Houston TX, US)
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