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- W2361754449 abstract "The testing method of multi-point steady flow, which has been used in the gas well productivity evaluation, demands relatively long testing time of steady flow and frequently obtains the wrong linear data due to geological conditions. By using transient IPR curves, the testing time can be greatly shortened and the results be more accurate. However, only homogeneous infinite formation and non-fractured gas reservoir with characteristics of uniform dielectric, isotropy and closed circle are considered under above situations. To overcome such defects, the application field of transient IPR curves has been expanded, the seepage model of finite conductivity vertical fracture has been employed for the deep-layer hydraulic fracturing gas well and the pseudopressure equation is used for the gas seepage in stratum. Meanwhile, taking gas turbulence effect and skin factor of the fractured wells into account and obtaining the relationship of well-bore pressure and flow by the numerical solution of Fredholm integral equation, the transient IPR curves and transient AOF curves of finite-conductivity vertical fractured well are generated to predict the productivity more accurately. Examples show that the transient IPR curves proposed can evaluate the productivity of finite-conductivity vertical fractured well, which can be applied in unstable finite-conductivity vertical fractured wells as well as other well test models." @default.
- W2361754449 created "2016-06-24" @default.
- W2361754449 creator A5054349365 @default.
- W2361754449 date "2008-01-01" @default.
- W2361754449 modified "2023-09-28" @default.
- W2361754449 title "DYNAMIC PRODUCTIVITY EVALUATION FOR FRACTURING GAS WELLS IN DEEP LAYERS" @default.
- W2361754449 hasPublicationYear "2008" @default.
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