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        Products>>Project Development>>Study on Productivity Evaluation of Fracture-Hole Reservoir

        The reservoir is controlled by fault solution, the fracture and hole structures are complex and the combinations are various, and the cross-well connectivity is good. The influence of fracture-hole structure and cross-well connectivity should be considered comprehensively in the evaluation and prediction of single well productivity. Through the project research, on the basis of the existing productivity evaluation methods, combined with the actual characteristics of the reservoir, this project analyzes the influencing factors of productivity evaluation of fracture-hole oil and gas reservoirs, carries out the research on instantaneous and long-term productivity evaluation methods, and forms reasonable productivity evaluation, prediction technology under different development methods of faulting solution fracture-hole type oil gas reservoir, finally the software and the efficient and convenient in-situ service and production evaluation are completed.

        The calculation of high pressure physical parameters of fluid in formation, according to the high physical parameters of oil phase, the laboratory measured values are used in the productivity calculation as far as possible, and the components provided by this software are usually calculated under the condition of lacking laboratory measurement data.

        The conventional productivity calculation methods of oil wells are: Vogel productivity, Fetkovich productivity, Jones productivity, Wiggins productivity, and the empirical formula of productivity in Shunbei area.

        The flow mathematical model of fracture-hole reservoir is established.

        Study on dynamic productivity method of fracture-hole reservoir.

        The software adopts the component mode to carry on the software research and development.

        Productivity prediction by productivity well testing is a widely used method domestic and abroad, but the productivity test method has not been improved since 1950s. Because productivity testing requires that the pressure under each flow rate must be stable, in the actual productivity test, the bottom hole pressure is not stable, resulting in errors in productivity prediction results, and the calculated productivity does not change with time. At present, there are no related products in the world for the evaluation and prediction of fracture-hole oil and gas reservoir productivities.