Nowadays, geological and simulation models are an essential tool used for design and support of oil and gas field development. At the same time, creation and application of models is technically complex and requires nontrivial approaches and solutions. This paper describes the experience of application of modeling for support of drilling and development optimization of one of the largest fields in Eastern Siberia. A distinctive feature of the publication is a compilation of tools of geological and simulation modeling, including experience in dealing with applications for the period from the start of field development to the achievement of the maximum hydrocarbon production. Approaches to creation and rapid response updating of geological and simulation models of a complex productive formation are described. These models incorporate a large number of different geophysical data and are used for a rapid response to field development and production drilling support. The value of the work lies in the integration of a large set of geophysical and field data into a single geological and simulation model and its further effective use.

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