Invention Grant
- Patent Title: Salinated wastewater for enhancing hydrocarbon recovery
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Application No.: US15958300Application Date: 2018-04-20
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Publication No.: US10711582B2Publication Date: 2020-07-14
- Inventor: Mohammed J. Alshakhs , Anthony R. Kovscek
- Applicant: Saudi Arabian Oil Company , The Board of Trustees of the Leland Stanford Junior University
- Applicant Address: SA Dhahran US CA Stanford
- Assignee: Saudi Arabian Oil Company,The Board of Trustees of the Leland Stanford Junior University
- Current Assignee: Saudi Arabian Oil Company,The Board of Trustees of the Leland Stanford Junior University
- Current Assignee Address: SA Dhahran US CA Stanford
- Agency: Fish & Richardson P.C.
- Main IPC: E21B43/20
- IPC: E21B43/20 ; G01N13/02 ; C09K8/584
Abstract:
Methods of preparing an injection fluid for enhancing hydrocarbon recovery from a formation are described. A divalent salt is added to wastewater to form salinated wastewater. The salinated wastewater is tested for a shift in wettability. The salinated wastewater is tested for a change in oil recovery. The salinated wastewater is applied as an injection fluid. The shift in wettability is equal to or greater than a predetermined wettability differential value, and the change in oil recovery of the salinated wastewater is equal to or greater than a predetermined oil recovery differential value.
Public/Granted literature
- US20190323327A1 ENHANCING HYDROCARBON RECOVERY Public/Granted day:2019-10-24
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