Transcription of 1 Well Testing Analysis - Elsevier.com
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1 Well Testing Analysis - Elsevier.com
1 Well y Reser voir Characteristics1 Flow Equations1 Well Testing1 Cur ves1 Derivative Method1 and Pulse Tests1 Well Testing1/1331/2 WELL Testing Primary Reservoir CharacteristicsFlow in porous media is a ver y complex phenomenon andcannot be described as explicitly as flow through pipes orconduits. It is rather easy to measure the length and diam-eter of a pipe and compute its flow capacity as a function ofpressure; however, in porous media flow is different in thatthere are no clear-cut flow paths which lend themselves Analysis of fluid flow in porous media has evolvedthroughout the years along two fronts: the experimental andthe analytical. Physicists, engineers, hydrologists, and thelike have examined experimentally the behavior of variousfluids as they flow through porous media ranging from sandpacks to fused Pyrex glass.
Figures 1.1 and 1.2 show schematic illustrations of the vol-ume and density changes as a function of pressure for the three types of fluids. 1.1.2 Flow regimes There are basically three types of flow regimes that must be recognized in order to describe the fluid flow behavior and reservoir pressure distribution as a function of time. These
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