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Title: Mathematical analysis of two-phase flow in low-permeability porous media

Journal Article · · A.I.Ch.E. Journal (American Institute of Chemical Engineers); (USA)
 [1];  [2]
  1. Illinois Inst. of Tech., Chicago, IL (USA). Dept. of Chemical Engineering
  2. Institute of Gas Technology, Chicago, IL (USA)

A one-dimensional isothermal transient two-phase flow model of gas and liquid in a low-permeability medium has been developed from the general mass and momentum balances. The characteristic roots of the governing differential equations are real and distinct. Therefore, solution of the flow equations may be attempted by a stable initial-value finite-difference scheme. A numerical solution was obtained using the method of lines. Calculated two-phase flow parameters are consistent with expected flow behavior and reflect the sensitivity of fluid flow to porosity, gas and liquid permeability, and capillary pressure in a tight sands porous medium. Calculated gas flow rates compare well with experimental data obtained at the Institute of Gas Technology (IGT) for low-permeability sandstone.

OSTI ID:
7127811
Journal Information:
A.I.Ch.E. Journal (American Institute of Chemical Engineers); (USA), Vol. 35:10; ISSN 0001-1541
Country of Publication:
United States
Language:
English