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US Patent 9422470 Method for selection of surfactants in well stimulation

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Patent Citations Received

US Patent 12065613 Multifunctional composition for enhanced oil recovery, improved oil quality and prevention of corrosion

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US Patent 12012548 Materials and methods for recovering oil from oil sands

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US Patent 11891567 Compositions and methods for paraffin liquefaction and enhanced oil recovery in oil wells and associated equipment

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Patent Citations Received

US Patent 11834705 Microbial products and their use in bioremediation and to remove paraffin and other contaminating substances from oil and gas production and processing equipment

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Patent abstract

A method of determining the suitability of a surfactant for use in a formation can include sampling water in the formation, providing at least two surfactants, and mixing each of the surfactants with the formation water to form surfactant/water samples. The method can further include determining the solubility of each surfactant with the formation water, comparing the solubility of each surfactant with the other surfactant, and assigning a solubility performance value for each surfactant based on its solubility in the formation water sample compared to the other surfactant.

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Patent Inventor Names

Liang Xu0

Qiang Fu0

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US Patent 09422470 Method for selection of surfactants in well stimulation US Patent 9422470 Method for selection of surfactants in well stimulation

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Patent Number

094224700

Patent Number

94224700

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=094224700

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Is a

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

094224700

Date of Patent

August 23, 2016

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Patent Application Number

136115230

Date Filed

September 12, 2012

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=094224700

Patent Primary Examiner

Hezron E. Williams

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Website URL

https://pdfpiw.uspto.gov/.piw?Docid=09422470

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US Patent 09422470 Method for selection of surfactants in well stimulation

Infobox

Is a

Patent jurisdiction

United States Patent and Trademark Office

Patent number

09422470

Date of patent

August 23, 2016

Patent application number

13611523

Date Filed

September 12, 2012

Patent primary examiner

Hezron E. Williams

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