Abstract
This chapter discusses the quantitative use and applications of type curves in gas well test analysis. It presents a new technique to analyze data in the bilinear flow period. New type curves are now available for pressure analysis of fractured gas wells, and the problem in the analysis is reduced considerably with the use of these type curves. Type curve matching techniques may be used for drawdown, buildup, interference, and constant pressure testing. For single well testing, type curve matching should be used only when conventional analysis techniques are illustrated. Prefracture information about the reservoir is necessary to estimate fracture parameters. The type curve analysis method must be used simultaneously with the specific analysis methods to produce reliable results.
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