Open AccessKEROGEN TYPES OF BAZHENOV FORMATION BASED ON PYROLYSIS DATA AND THEIR COMPARISON WITH OIL PARAMETERS
Author(s) -
E. E. Oksenoyd,
V. A. Volkov,
E. V. Oleynik,
G. P. Myasnikova
Publication year - 2017
Publication title -
izvestiâ vysših učebnyh zavedenij. neftʹ i gaz
Language(s) - English
Resource type - Journals
ISSN - 0445-0108
DOI - 10.31660/0445-0108-2017-5-34-43
Subject(s) - kerogen , pyrolysis , organic matter , pyrolytic carbon , cretaceous , geology , structural basin , fossil fuel , oil shale , asphaltene , source rock , mineralogy , sulfur , geochemistry , chemistry , paleontology , organic chemistry
Based on pyrolytic data (3 995 samples from 208 wells) organic matter types of Bazhenov Formation are identified in the central part of Western Siberian basin. Zones of kerogen types I, II, III and mixed I-II and II-III are mapped. Content of sulfur, paraffins, resins and asphaltenes, viscosity, density, temperature and gas content in oils from Upper Jurassic and Lower Cretaceous sediments (3 806 oil pools) are mapped. Oil gradations are identified and distributed. The alternative model of zones of kerogen II and IIS types is presented. The established distributions of organic matter types can be used in basin modeling and in assessment of oil-and-gas bearing prospects.