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1 2006

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Programmnoe sredstvo "Interpretator-M" dla interpretacii KVD v sloznopostroennyh kollektorah

Kul'pin L. G., Bocarov G. V.

Prace Instytutu Nafty i Gazu

2006

nr 137

979-985

The report is about the program "Interpretator-M" designed for interpretation of build-up and drawdown pressure curves of oil, gas, gas-condensate and injection wells. The program is based on the use of determined moments of the depression method. There are two stages of interpretation in the program. On the first stage discrimination of filtration models based on diagnostic characteristic occurs: d=2,18 corresponds to homogeneous reservoir, d >2,18 - reservoir with blocked permeability of bottomhole formation zone, d <2,18 - fracture-porous reservoir or reservoir with faults. On the second stage of the interpretation filtration properties of the given model are determined. The distinctive feature of the program is availability of the dialogue and automatic procedures for determination of water permeability of bed. The program enables to calculate water permeability of bed by means of both differential method-tangent method and integral method-determined moments of depression method. The software enables to calculate the water permeability of bed, piezoconductivity, skin, initial reservoir pressure, delay time (for a fracture-porous reservoir), distances to faults, corner angle of a wedge (for the reservoir with faults) for different types of filtration models. At the end of the interpretation the program recommends one or several adequate filtration models. The advantage of the program is that the program takes into account a priori information. The software "Interpretator-M" works in operating system Windows 98/XP/2000. Loading of build-up pressure curves data both from digital gauges and mechanical gauges is provided. At the end of interpretation user can transmit the source information and interpretation results to the MS Excel. The software provides the help system. More than 1000 build-up pressure curves for the fields with different geological production situations were interpreted by means of the program "Interpretator-M" both in Russia and abroad.