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Transient pressure analysis in porous and fractured fractal reservoirs
Ist Teil von
中国科学：技术科学英文版, 2009 (9), p.2700-2708
Erscheinungsjahr
2009
Link zum Volltext
Quelle
SpringerNature Journals
Beschreibungen/Notizen
Fluid flow in porous and fractured fractal reservoirs is studied in the paper. The basic formulae of seepage velocity,permeability and porosity in both porous and fractured fractal media are developed. The pressure diffusion equation of slightly compressible fluid in fractal reservoirs is derived. The analytical solutions of the transient pressure are given for the line-source well and the well with well-bore storage and skin factor. The typical curves of pressure and the derivative of pressure are established,along with the interpretation of the well-testing method via type-curve matching. In addition,3-D pressure diffusion equations for anisotropic fractal media are given in both Cartesian coordinates and Cy-lindrical coordinates.