Method of altering the permeability of a hydrocarbon-containing

Method of and composition for acidizing subterranean formations

Method of and solvent for removing inorganic fluoride deposits

Method of breaking an emulsion and an emulsion-emulsion breaker

Method of clay stabilization in enhanced oil recovery

Method of conducting drilling operations

Method of controlling the mobility of flows through fissures, sl

Method of determining the optimum aqueous composition for preven

Method of diluting a concentrated polymer solution for use in a

Method of drilling wells employing water base drilling fluids

Method of enhanced oil recovery and compositions useful therein

Method of enhancing methane production from coal seams by dewate

Method of enhancing the effect of liquid organic lubricants in d

Method of extracting and reutilizing surfactants from emulsions

Method of foam drilling using a sulfoacetate foaming agent

Method of fracturing subterranean formations penetrated by a wel

Method of fracturing with gelled organic liquids

Method of improving the permeability of a subterranean formation

Method of increasing hydrocarbon production by remedial well tre

Method of increasing hydrocarbon production from subterranean fo