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US Patent 11939521 Reuse of hypersaline brine with ionic liquids

Patent 11939521 was granted and assigned to SAUDI ARABIAN OIL COMPANY on March, 2024 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

SAUDI ARABIAN OIL COMPANY

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Current Assignee

SAUDI ARABIAN OIL COMPANY

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Ali Abdallah Al-Yousef0

Ahmed Gmira0

Adrian Cesar Cavazos Sepulveda0

Abdulkareem AlSofi0

Subhash C. Ayirala0

Date of Patent

March 26, 2024

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Patent Application Number

178210490

Date Filed

August 19, 2022

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Patent Citations

US Patent 7776798 Quaternary ammonium salts as thickening agents for aqueous systems

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US Patent 7629296 Composition and method for thickening heavy aqueous brines with cationic guar

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US Patent 10544370 Enhanced bitumen recovery, separation and water clarification process

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Patent Primary Examiner

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CPC Code

0

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Patent abstract

A solution for injection to a formation containing hydrocarbons includes an ionic liquid and a brine having a salinity of at least 60,000 ppm total dissolved solids (TDS). The ionic liquid is configured to lower an interfacial tension between the solution and the hydrocarbons in the formation.

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