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A material-balance method for deriving interblock water/oil pseudofunctions for coarse-grid reservoir simulation

Journal Article · · SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States)
DOI:https://doi.org/10.2118/15621-PA· OSTI ID:6339590
This paper describes a material-balance method for deriving interblock water/oil pseudofunctions for application in coarsely gridded areal reservoir models. The method is shown to be effective in pattern waterflood simulation. This technique differs from previous methods in (1) explicitly accounting for grid orientation by deriving directionally dependent pseudos, (2) combining a dispersion control scheme with the pseudofunction derivation, and (3) matching fractional flow in pattern models through a material balance. The psuedofunctions are derived from fine-grid pattern models and account for various effects, including anisotropic formation properties, dominant displacement forces (viscous or gravitational), and correction for preferential directional flow.
Research Organization:
Arco Oil and Gas Co. Production Research Center, Plano, TX (US)
OSTI ID:
6339590
Journal Information:
SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States), Journal Name: SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States) Vol. 3:3; ISSN SREEE
Country of Publication:
United States
Language:
English