Method of separating oil from geological formations

Method of stabilizing polymer solutions in a subterranean format

Method of treating a high temperature formation to permit the us

Method of treating oil-bearing formations using molten sulfur in

Method of using a combination lignosulfonate/polyalkylene glycol

Method of using a lignosulfonate/carbohydrate system as a sacrif

Method of using alkylsulfonated phenol/aldehyde resins as...

Method of using amines as sacrificial agents for chemical floodi

Method of using lignosulfonate-acrylic acid graft copolymers as

Method of using low molecular weight polyalkylene glycols as sac

Method of using urea as a sacrificial agent for surfactants in e

Method of using viscosity-stabilized aqueous solutions

Method of viscous oil recovery

Method to improve use of polymers for injectivity profile contro

Method to improve use of polymers for injectivity profile contro

Method to increase sand grain coating coverage

Method to increase the flow capacity of a geologic formation

Method to obtain rapid build-up of pressure in a steam foam proc

Method to reduce sulfonate loss in micellar flooding

Method using overbased branched-chain alkylaromatic sulfonates a