us4561502a oil recovery process using a polyacrylamide in iran

us4561502a oil recovery process using a polyacrylamide in iran
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  • Which polymer based enhanced oil recovery (EOR) process uses partially hydrolyzed polyacrylamides?
  • Worldwide partially hydrolyzed polyacrylamides (HPAM) are preferentially used for polymer-based enhanced oil recovery (EOR) processes, due to cost-competiveness.
  • Can alumina/ graphene oxide induced hydrolysed polyacrylamide (HPAM) polymer enhance oil recovery?
  • This paper investigates the potential of Alumina/Graphene Oxide (AGO) nanocomposite induced hydrolysed polyacrylamide (HPAM) polymer as a nanopolymer suspension for enhanced oil recovery in sandstone reservoirs. AGO nanocomposite was synthesised and characterised.
  • Is partially hydrolyzed polyacrylamide biodegraded by bacterial strains isolated from Omani oil fields?
  • In present study the biodegradation of partially hydrolyzed polyacrylamide (HPAM) by bacterial strains isolated from Omani oil fields was analyzed. HPAMs are extensively used in oil fields for enhanced oil recovery operations.
  • Which polymers are used for enhanced oil recovery?
  • Hydrogels which are used for enhanced oil recovery, are cross-linked polymers that are swollen in water without dissolving18,19. Some of the mostly used polymers include Polyacrylamide homopoly- mer (PAM) and acrylamide copolymers. Moreover, other biopolymers including guar gum, starch, chitosan, and cellulose are studied by the researchers20.