PIE

The PIE well-test analysis program is a complete package for the manipulation and interpretation of pressure transient tests for oil and gas wells. Some of the main features are:

• A standard Windows user interface for data manipulation and display of analysis plots.
• Full copy and paste facilities are available to exchange data with other programs (e.g. a spreadsheet, word processor, or another copy of PIE).
• Graphical data processing to reduce large sets of raw rate or pressure measurements to a manageable size.
• A complete set of analysis plots ranging from simple Horner and Derivative plots to specialized plots like the "Sand-Face Rate Convolution" plot.
• An extensive set of type-curve models that cover a wide range of well and reservoir systems.
• Non-linear regression to adjust all of the parameters for a type-curve model to obtain the best fit to the analysis data.
• A variety of type-curve analysis methods ranging from simple "draw-down type-curves" to multi-well type-curve simulation. The type-curve simulation includes a variety of production constraints (e.g. compute rates for a fixed flowing pressure).
• Available for all versions of Windows.