... composition experiment effluent profile analytical composition route injection dispersion Introduction Flow in a reservoir often includes three or more flowing phases. Most reservoirs will contain two hydrocarbon phases and water. It is also possible to have three hydrocarbon phases in situ in CO...

... adsorption limestone injection scheme indiana limestone effluent profile enhanced recovery economic evaluation berea sandstone upstream oil & gas adsorption isotherm surfactant adsorption oil recovery chemical flooding methods agent sacrificial agent lignosulfonate co 2 SPE 59365...

... the adsorption capacity. In this case, detailed mass balance calculations on the polymer effluent profiles may significantly overestimate retention levels in the formation. To overcome these problems, a pyrolysis/beta scintillation counting technique has been developed. The core plug is flooded with 14 C...

... upstream oil & gas polymer solution experiment feed concentration enhanced recovery concentration permeability adsorption polymer equation polymer concentration mechanical entrapment maximum retention entrapment effluent profile mechanism polymer retention chemical flooding methods...

... the model. PRINCIPLES OF ION EXCHANGE PRINCIPLES OF ION EXCHANGE In ion exchange an ion bound to the rock surface is replaced by another ion of similar electrical charge from the surrounding solution, e.g,: 2Na+ + Ca++ (rock) - 2Na+(rock) + Ca++. P. 211 divalent cation effluent profile...