Method of treating a subterranean formation with a foam bank

摘要: A liquid detergent known as ''O K Liquid'' is used in secondary oil recovery, subterranean formation permeability reduction, strata plugging and underground fluid storage processes. foam or bank generated situ the above ground thereafter injected into formation. The from composition using about 0.1 to 1.0 pore volume of nitrogen, air, natural gas measured at 1 atm. 60$F. Water may also be driving medium.