Parcperdue Geopressure--Geothermal Project: Appendix B

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The reservoir models used to perform the drawdown and buildup pressure analyses consist of analytic forms in lieu of the finite difference or numeric simulator types. Analytic models are derived from solutions of the diffusion equation which relate a pressure response with time and distance in the reservoir for a specified flow system. Solutions of the diffusion equation are obtained through mathematical methods such as Laplace transforms, Fourier transforms, Neuman's product techniques and Green's functions. Before an analytic solution is derived, the diffusivity equation is expressed in terms of dimensionless potential (m{sub D}), dimensionless distance (r{sub D}) and dimensionless time ... continued below

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Sweezy, L.R. October 5, 1981.

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    Place of Publication: United States

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Description

The reservoir models used to perform the drawdown and buildup pressure analyses consist of analytic forms in lieu of the finite difference or numeric simulator types. Analytic models are derived from solutions of the diffusion equation which relate a pressure response with time and distance in the reservoir for a specified flow system. Solutions of the diffusion equation are obtained through mathematical methods such as Laplace transforms, Fourier transforms, Neuman's product techniques and Green's functions. Before an analytic solution is derived, the diffusivity equation is expressed in terms of dimensionless potential (m{sub D}), dimensionless distance (r{sub D}) and dimensionless time (t{sub D}). For the cylindrical coordinate case, the diffusivity equation in dimensionless form for a geopressured system is given.

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  • Report No.: None
  • Grant Number: AC08-79ET27255
  • DOI: 10.2172/898332 | External Link
  • Office of Scientific & Technical Information Report Number: 898332
  • Archival Resource Key: ark:/67531/metadc883244

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  • October 5, 1981

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  • Sept. 22, 2016, 2:13 a.m.

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Sweezy, L.R. Parcperdue Geopressure--Geothermal Project: Appendix B, report, October 5, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc883244/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.