Though all the responses presented here assume that average reservoir pressure remains above the dewpoint of the initial fluid in situ, the sensitivity to the difference between the initial reservoir pressure and this dewpoint pressure is also investigated. A fully implicit, EOS based, compositional model is used to generate buildup responses for various combinations of fracture half-lengths, fracture conductivities, fluid richness levels, rates, reservoir relative permeability curves and producing times. The possible range of, and the application of standard single phase interpretation methods to, the pressure transient responses for hydraulically fractured wells producing gas-condensate fluids are examined in this paper. The previously published interpretation methods, such as pressure buildup and drawdown analyses and type-curve matching, form an extremely important part of the complete analysis. The objective more » of this work is to illustrate the application of numerical simulation in evaluation of fracture stimulation of gas wells. Recent studies have provided new information for type-curve matching of pressure data obtained from fractured (vertical and horizontal) wells. Others have investigated well tests of vertically fractured gas wells using both analytical and numerical models. These solutions established the influence of vertical fractures on transient pressure buildup and drawdown testing. Transient drawdown solutions for vertically fractured liquid wells based on numerical simulation were published in 1964. A considerable amount of fractured well performance theory has accumulated during this period. Hydraulic fracturing has been used extensively over the past 15 yr to stimulate low permeability oil and gas wells. Better and more comprehensive well-test interpretation often can be obtained by using the so-called conventional methods and numerical modeling together. The objective of more » this study is to illustrate the application of numerical simulation in evaluation of fracture stimulation of gas wells. These solutions established the influence of vertical fractures on transient pressures buildup and drawdown testing. Hydraulic fracturing has been used extensively over the past 15 yr to stimulate low-permeability oil and gas wells.

Well drawdown test