GRAVITY DRAINAGE IN A FISSURED RESERVOIR WITH FLUIDS NOT IN EQUILIBRIUM

被引:6
|
作者
Jacquin, Ch. [1 ]
Legait, B. [1 ]
Martin, J. M. [1 ]
Nectoux, A. [2 ]
Anterion, F. [2 ]
Rioche, M. [3 ]
机构
[1] Inst Francais Petr, F-92500 Rueil Malmaison, France
[2] Elf Aquitaine, F-64000 Pau, France
[3] Total CFP, F-92069 Paris, France
关键词
D O I
10.1016/0920-4105(89)90067-3
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Jacquin, Ch., Legait, B., Martin, J.M., Nectoux, A., Ant,erion, F. and Rioche, M., 1989. Gravity drainage in a fissured reservoir with fluids not in equilibrium. J. Pet. Sci. Eng., 2: 217-224. If a matrix block in a fractured reservoir is surrounded by gas, the gravity forces tend to expel the oil from the matrix and the capillary forces tend to retain the oil. If the liquid and the gas are not at thermodynamic equilibrium, a lowering of the interfacial tension and a swelling of the liquid may improve the liquid recovery. Experiments performed with ternary mixtures of hydrocarbons (C-1-n C-4-n C-10) under simulated reservoir conditions show that the oil recovery by gravity drainage increases if the content of intermediate components in the gas or in the liquid phase increases. This phenomenon has been confirmed by numerical simulations using compositional models.
引用
收藏
页码:217 / 224
页数:8
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