Patent · US Active

Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (EOR)

US8383560B2 · kind B2 · utility

82Cited by
15References
9Claims
0Family size

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Key dates

Filing dateJul 20, 2010
Grant dateFeb 26, 2013
Priority date
Expiry dateMar 9, 2031

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/25
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Enhanced oil recovery method consisting in continuously dissolving, in the injection water, a stable invert emulsion of acrylamide (co)polymer containing at least one inverting agent, and a water soluble polymer, whereby:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.