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Interpreting well tests in fractured reservoirs
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1983
Year
Geotechnical EngineeringHydrogeologyDouble Porosity ReservoirsType CurvesEngineeringWell DiagnosticsCivil EngineeringGeomechanicsFormation EvaluationFractured Reservoir EngineeringFractured ReservoirsEngineering GeologyWell Performance EvaluationReservoir CharacterizationReservoir EngineeringDual Porosity Behavior
The derivative approach enables rapid, reliable analysis of pressure responses in double‑porosity reservoirs. The study discusses new type curves and their real‑time application for controlling well testing in fractured reservoirs. The authors present a new set of type curves that diagnose dual‑porosity behavior, ensure optimal conclusive tests, and illustrate their use with an example well‑test interpretation.
A new set of type curves has been developed that aids in the analysis of data obtained from wells testing fractured formations. Of primary benefit is their use in diagnosing dual porosity behavior and for ensuring that an optimum, conclusive test is obtained. These curves and their applications are discussed. In addition, an example well test interpretation is presented. As it does for homogeneous systems, the derivative approach allows quick and reliable analysis of pressure response from double porosity reservoirs. In particular, it is well adapted to real time interpretation and therefore will be useful for controlling well testing in fractured formations.