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US Patent 11834609 Injection fluids for stimulating fractured formations

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
118346091
Patent Inventor Names
Gayani W. Pinnawala1
Tetsuo Art Inouye1
Varadarajan Dwarakanath1
Nabijan Nizamidin1
Guo-Qing Tang1
Taimur Malik1
Dustin J. Lowry1
Dustin L. Walker1
Date of Patent
December 5, 2023
1
Patent Application Number
166359061
Date Filed
July 31, 2018
1
Patent Citations
‌
US Patent 9422469 Mixed carbon length synthesis of primary guerbet alcohols
1
‌
US Patent 7629299 Process for recovering residual oil employing alcohol ether sulfonates
1
‌
US Patent 7770641 Method for enhancing oil recovery with an improved oil recovery surfactant
1
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US Patent 8146666 Surfactant method for improved oil recovery from subterranean reservoirs
1
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US Patent 8211837 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (EOR) applications
1
‌
US Patent 8789594 Water injection systems and methods
1
‌
US Patent 8794320 Water injection systems and methods
1
‌
US Patent 9605198 Mixed carbon length synthesis of primary Guerbet alcohols
1
...
Patent Primary Examiner
‌
Alicia Bland
1
CPC Code
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C09K 8/845
1
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C09K 8/68
1
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C09K 8/74
1
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C09K 8/80
1
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E21B 47/11
1
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E21B 43/267
1
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E21B 43/27
1
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C09K 8/86
1
...
Patent abstract

Embodiments of the disclosure include compositions and methods that stabilize a injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises a surfactant and optionally one or more secondary surfactants. Also provided are methods of using the stabilized injection fluids in stimulation operations.

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