Abstract
Three-dimensional simulation using geostatistical methods in terms of the possibility of creating multiple realizations of the reservoir, in which heterogeneities and range of variables changes are well represented, is one of the most efficient methods to describe the reservoir and to prepare a 3D model of it and the results have been used as acceptable results in the calculations due to the high accuracy and the lack of smoothing effect in small changes compared to the results of Kriging estimation. The initial volumetric tests of the Hendijan reservoir in southern Iran were carried out according to the construction model and the petrophysical model prepared by the software and according to the fluid contact levels, and the ratio of net thickness to total thickness in different reservoir zones. The calculations can be distinguished based on the zoning of the reservoir and also on the basis of type of facies. Accordingly, the average volume of fluid in place of the field is calculated in different horizons. The results of the simulation showed that the Ghar reservoir rock has gas and Sarvak Reservoir has the largest amount of oil in place.
Highlights
Three-dimensional static modeling of the reservoir is used as a tool for the development of reservoirs
Three-dimensional simulation using geostatistical methods to create the numerous realizations of reservoir in which heterogeneities and variation range of variables well displayed, is one of the most efficient method for reservoir description and preparation of three-dimensional model
The results are accepted as the results applicable to the calculations due to the high accuracy and the lack of effect of smoothing in small variations compared to the results of the Kriging estimate
Summary
Three-dimensional static modeling of the reservoir is used as a tool for the development of reservoirs. A three-dimensional static model is a description of the structure, stratigraphy, and rock properties at a certain time. Static modeling is used to examine the structure of the reservoir, rock and fluid properties in order to calculate the volume of hydrocarbons. The volume of recyclable fluid is estimated with the dynamic modeling, and the performance of reservoir production is predicted. This model proposes options for the production scenario, the location of the new wells, and the study of the enhanced oil recovery (Davis, 2002)
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