initial gas-oil contact

initial gas-oil ratio

Initial Oil Saturation

oil-gas gas exploration

economic limit initial oil production

initial average oil saturation

initial free-gas saturation

initial gas cap

initial gas concentration

initial gas in place

initial gas temperature

initial oil content

initial oil in place

initial saturation

3 phase of oil-gas-water

acidy oil-gas field

associated gasoil ratio

atmospheric gas oil

atmospheric gasoil ratio