The Determination of the Difference Between Average Pressure and Shut-in Well Bore Pressure Prior to Steady-State

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Abstract/Contents

Abstract
Pressure buildup analysis has become an increasingly important facet of reservoir engineering in the last 30 years. Estimates of important reservoir characteristics such as permeability, porosity and compressibility can be made using methods of analysis in existence.One of the first efforts to relate pressure data to reservoir parameter was done by Muskat in 1937. His work was a qualitative analysis because the system compressibility was not taken into account. In 1950, Miller, Dyes, and Hutchinson* (MDH) carried Muskat's analysis a little further to systems with different outer boundary conditions and to systems with closed outer boundary. For their solutions the well was at steady state prior to shut-in. Horner developed a method for infinite systems and plotted the dimensionless pressure buildup against log (t + A t )/a t ) which can be extrapolated to infinite shut-in time. Matthews, Brons, and Hazebroek' (MBH) determined the pressure behavior of a well producing from a bounded area for a variety of shapes and well locations.

Description

Type of resource text
Date created August 1979

Creators/Contributors

Author Dykstra, Forrest
Primary advisor Dykstra, Herman
Degree granting institution Stanford University, Department of Petroleum Engineering

Subjects

Subject School of Earth Energy & Environmental Sciences
Genre Thesis

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Preferred Citation
Dykstra, Forrest. (1979). The Determination of the Difference Between Average Pressure and Shut-in Well Bore Pressure Prior to Steady-State. Stanford Digital Repository. Available at: https://purl.stanford.edu/jt496kf1245

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Master's Theses, Doerr School of Sustainability

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