gas-oil contact

gas-oil contact

[′gas ′ȯil ′kän‚takt]
(petroleum engineering)
In a petroleum reservoir, that point or plane where the bottom of a gas sand is in contact with the top of an oil sand.
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References in periodicals archive ?
The gas-oil contact is well defined at a depth of 1451,2 m.
Assessment of compositional grading is important in calculation of initial hydrocarbons in place (stock-tank oil and surface gas), prediction of gas-oil contact, design of surface production equipments, design of immiscible gas and water injection processes (variation in mobility ratio with depth), design of developed miscible gas injection processes (variation in miscibility conditions with depth), initialization of reservoir simulators, and consideration of production alternatives.
The horizontal section is located in the uppermost part of the oil zone, close to the gas-oil contact, and a permeable interval was encountered in the build up section within the lower part of the gas cap.