... бурения. The divergence of absolute depth mark of target horizon in comparison with drilling data while exploration drilling on positive structures after seismic operations often turns up in Volgo-Ural'skaya petroleum province. It is necessary to correct seismic data, taking into account trends in character of reflecting horizons, according to drilling data, fundamental understanding of changes in paleoenvironment deposition, isopach maps. Materials and methods Construction of diagrams, concerning with ...

... испытаний и оконтурить залежи нефти. Geological and geophysical criteria for the allocation of a reef complex in the carbonate sediments of the Upper Devonian sectionare determined based on core analysis, log data and 3D seismic data on one of the fields of the Bashkirian arch. Uneven-aged reef masses are revealed. A geological model of the Frasnian-Famennian deposits of the Upper Devonian sediments with specificated zones of allocation and fluid content of reef reservoirs ...

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