ENHANCED OIL RECOVERY METHOD EMPLOYING A BIODEGRADABLE BRINE TOLERANT FOAM-FORMING COMPOSITION

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United States of America Patent

SERIAL NO

14780219

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Abstract

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This invention relates to a foam-forming composition and method of use thereof for enhanced oil recovery. Said foam-forming composition comprises an anionic sulfonate surfactant wherein the anionic sulfonate surfactant is biodegradable and has low aquatic toxicity. The method for recovering oil from a reservoir comprises the periodic injection of gas and said foam-forming composition into the reservoir and contacting the oil in the reservoir with the foam so as to assist in the recovery of oil from the reservoir.

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Patent Owner(s)

Patent OwnerAddress
DOW GLOBAL TECHNOLOGIES LLCMIDLAND MI 48674

International Classification(s)

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  • 2014 Application Filing Year
  • C09K Class
  • 2473 Applications Filed
  • 1988 Patents Issued To-Date
  • 80.39 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abbas, Sayeed Pearland, US 13 13
Aboelella, Nermeen W Pearland, US 6 72
Poindexter, Michael K Sugar Land, US 45 256
Sanders, Aaron W Missouri City, US 25 163

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges195578793713124322301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90100 +0255075100125150175200225250275300325350375400425450475500525550575600625

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