Abstract
An integrated approach to modeling implies the construction of a single digital model of the object, which consists of related models of the reservoir, wells and surface facilities. The integrated model makes it possible not only to optimize the operation of surface elements, but also to take into account the mutual influence of system objects. Creation of a permanently operating integrated model (PDIM) is of great practical importance in PJSC NK Rosneft, since it allows performing long-term calculations for various scenarios of gas production, as well as substantiating rational technological modes of gas field operation. The paper examines the stages of building an integrated model of a gas field in the Turonian reservoir of one of the fields in Western Siberia, the main elements of which are: a three-dimensional hydrodynamic model, well models and a surface infrastructure model. The Petroleum Experts software package (Prosper, Gap, Resolve) is used to create a model and carry out calculations. The article analyzes the predicted technological indicators of the gas field operation according to the base case, on the basis of which optimization approaches to the development of the Turonian deposit are formed. The authors have proposed an option that takes into account the operation of mobile compressor units (MCU) in order to reduce capital investments for large site facilities. The paper also considers the option of reconfiguring the gas gathering network (GSS), which provides for a decrease in the number of collectors. The option will reduce the cost of construction of the GSS and minimize the mutual influence of the work of the bushes on each other. Summing up, a technical and economic assessment of the base and alternative options was carried out, based on the results of which the most rational option for the development of the T.
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