Method for calculating the distribution of fluids in a reservoir

Details Method for calculating the distribution of fluids in a reservoir Method for calculating the distribution of fluids in a reservoir

1997-06-23

1999-08-10

McElheny, Jr., Donald E.

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

G06F 1900

Patent

active

059373636

ABSTRACT:
The invention relates to a method for characterizing a hydrocarbon reservoir comprising a gas cap (1) and an oil zone (2) with respectively Scwg and Scwo as the water saturation in each zone. The zone is invaded by gas either by gas injection, gas cap expansion or because of evolution of dissolved gases. In the method, the decrease in the initial water saturation Scwo in oil zone (6) during the displacement thereof by the gas is taken into account, the decrease being gradual down to Scwg which is distinctly below Scwo.

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patent: 4508169 (1985-04-01), Mut et al.
patent: 4752882 (1988-06-01), Givens
patent: 4782899 (1988-11-01), Richardson

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