Washing processes and fluid variations: phase equilibria to petroleum geochemistry

Spatial variations in fluid compositions within reservoirs have been reported in fields in many parts of the world. Production problems in some well-investigated large reservoirs have given new information about spatial and temporal variations in fluid properties in recent years.The focus of petroleum geochemists has moved away from exploration and increasingly towards production and reservoir-related problems. The recent information about the short-time-scale variations of petroleum fluids from Eugene Island Block 3301 in the US Gulf of Mexico demonstrates the complexity of intrareservoir processes and different consequences on the variability in fluid composition.Petroleum geochemistry ...

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