... of the oils. For example, the squalane content of the paraffinic oil (Oil P) is replaced with biphenyl in the paraffinic/aromatic oil (Oil P/A). The seven-component oil (Oil P/A+P) is a 50/50 blend of Oil Ρ and Oil P/A. hydrocarbon upstream oil & gas enhanced recovery coreflood chemical flooding...

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... 10 7 1984 15 11 1984 1 10 1985 1 10 1985 Copyright 1985, Society of Petroleum Engineers upstream oil & gas turbidimetric method reagent petrostep 465 0 manual procedure polyacrylamide brine chemical flooding methods concentration deionized water sulfonate...

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... micellar fluid (Test 1). 5 10 1983 25 5 1984 13 9 1984 1 8 1985 1 8 1985 Copyright 1985, Society of Petroleum Engineers surfactant drilling fluid chemistry flow in porous media salinity chemical flooding methods fluid dynamics sulfonate clay selectivity...

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... solubility mechanism onset cmc surfactant redissolution thermodynamic model ionic strength nacl chemical flooding methods petroleum engineer journal Precipitation of surfactants by inorganic salts is an important phenomenon in micellar flooding since it can lead to loss of surfactants...

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