Abstract: Modeling Gas-Oil Ratio and Petroleum Fluid Composition in Sedimentary Basins
Wendebourg, J. - IFP; Rudkiewicz, J.-L.; S. J.; Vear, A.; Penteado, H.; Vandenbroucke, M. - BP
Computer modeling of compositional
hydrocarbon
generation and
migration
can help to explain gas-oil ratios observed in
reservoirs based on the evolution of petroleum fluids as they undergo
changes
in phase and mobility due to cracking, mixing, or transport in different
carrier systems. This paper explains the implementation and applications
of IFP's
compositional
Temispack program including
primary
and secondary
cracking in source rocks based on open and closed system pyrolysis, expulsion
based on selective retention in the kerogen,
migration
by miscible three-phase
flow based on reservoir correlations or equations of state, and flow properties
based on fluid pressure, temperature, and composition. Examples will be
presented from the North Sea and the Brazilian Atlantic margin.
AAPG Search and Discovery Article #90933©1998 ABGP/AAPG International Conference and Exhibition, Rio de Janeiro, Brazil