ISSN 打印: 1091-028X
ISSN 在线: 1934-0508

多孔介质期刊

DOI: 10.1615/JPorMedia.v14.i7.20
pages 579-592

TWO-PHASE FLOW OF AN OIL-WATER SYSTEM IN POROUS MEDIA WITH COMPLEX GEOMETRY INCLUDING WATER FLOODING: MODELING AND SIMULATION

Francisco Alves Batista
Brauner Gongalves Coutinho
Francisco Marcondes
Departamento de Engenharia Metalúrgica e Ciencias dos Materiais, Universidade Federal do Ceará
Severino Rodrigues de Farias Neto
Departamento de Engenharia Mecânica, Centro de Ciências e Tecnologia, Universidade Federal de Campina Grande (UFCG)
Antonio Gilson Barbosa de Lima
Departamento de Engenharia Mecânica, Centro de Ciências e Tecnologia, Universidade Federal de Campina Grande (UFCG)

ABSTRACT

The purpose of the present work is to obtain a numerical solution for the two-dimensional black-oil model applied to the two-phase flow (water-oil) inside a reservoir with complex geometry including water flooding as an enhanced oil recovery process. The model can be applied to studies in reservoirs that contain heavy oils or low-volatility hydrocarbons. The mass conservation equations written in the mass fraction formulation and boundary-fitted coordinates incorporate variable permeability and mobility effects, and are solved using the finite-volume method, with a fully implicit methodology and Newton's method. Calculations of the hydrodynamic parameters of an oil-water reservoir element are carried out for several cases involving water flooding. The results of the fluid saturation fields, water cut, oil recovery, and pressure distribution inside the reservoir over time are presented and analyzed. This study shows that water flooding yields faster recovery and is an efficient exploitation method of reservoir fluid production.

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