Compositional changes resulting from the water-washing of a petroleum fluid

Several mechanisms can be responsible for the compositional modification of a hydrocarbon fluid in a reservoir. One of them is related to its contact with a large amount of connate water. This water-washing phenomenon has been simulated in model laboratory conditions. A compositional analysis of bot...

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Bibliographic Details
Published in:Journal of petroleum science & engineering 2001, Vol.29 (1), p.39-51
Main Authors: de Hemptinne, J.-C, Peumery, R, Ruffier-Meray, V, Moracchini, G, Naiglin, J, Carpentier, B, Oudin, J.L, Connan, J
Format: Article
Language:English
Subjects:
Applied sciences
Characteristics of producing layers. Reservoir geology. In situ fluids
Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics
Crude oil, natural gas and petroleum products
Crude oil, natural gas, oil shales producing equipements and methods
Energy
Exact sciences and technology
experimental
Fuels
Henry's constants
phase equilibria
Prospecting and production of crude oil, natural gas, oil shales and tar sands
water-washing
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Summary:Several mechanisms can be responsible for the compositional modification of a hydrocarbon fluid in a reservoir. One of them is related to its contact with a large amount of connate water. This water-washing phenomenon has been simulated in model laboratory conditions. A compositional analysis of both water and hydrocarbon phases at every stage allows for a direct visualisation of the effect of water-washing. Volumetric measurements have been performed simultaneously. Henry's law is used to describe the hydrocarbon solubility in water. This approach is validated with a global mass balance.
ISSN:0920-4105
1873-4715
DOI:10.1016/S0920-4105(00)00089-9