Invention Grant
- Patent Title: Oil recovery process for carbonate reservoirs
- Patent Title (中): 碳酸盐岩储层采油过程
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Application No.: US13195730Application Date: 2011-08-01
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Publication No.: US08550164B2Publication Date: 2013-10-08
- Inventor: Ali Abdullah Al-Yousef , Ming Han , Salah Hamad Al-Saleh
- Applicant: Ali Abdullah Al-Yousef , Ming Han , Salah Hamad Al-Saleh
- Applicant Address: SA
- Assignee: Saudi Arabian Oil Company
- Current Assignee: Saudi Arabian Oil Company
- Current Assignee Address: SA
- Agency: Bracewell & Giuliani LLP
- Main IPC: E21B43/16
- IPC: E21B43/16 ; E21B43/00
Abstract:
A method for increasing oil production in a carbonate reservoir by incorporating a diluted surfactant injection in conjunction with conducting a step-wise reduction of salinity of the injected salt water that is injected into the carbonate reservoir. The method provides for increased oil production as compared to conventional waterflooding techniques.
Public/Granted literature
- US20120018161A1 Oil Recovery Process for Carbonate Reservoirs Public/Granted day:2012-01-26
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