Petroleum System Analysis in the Central Part of the West Siberian Basin

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dc.contributor.advisorCasey, John F.
dc.contributor.committeeMemberBissada, K. K.
dc.contributor.committeeMemberFu, Qi
dc.contributor.committeeMemberKrylova, Anna
dc.creatorKuznetcova, Marina 1999-
dc.date.accessioned2018-11-30T15:51:13Z
dc.date.available2018-11-30T15:51:13Z
dc.date.createdMay 2018
dc.date.issued2018-05
dc.date.submittedMay 2018
dc.date.updated2018-11-30T15:51:13Z
dc.description.abstractThe West Siberian Basin is one of the largest hydrocarbon provinces in the world. The basin began to evolve 251 Ma as a result of Permo-Triassic trap magmatism and subsequent large-scale thermal subsidence. In the Triassic, sedimentation started and the basin was subdivided into two main layers: the crystalline basement and the sedimentary cover. The study area is located in the central part of the West Siberian Basin. The sedimentary cover in the considered territory is penetrated by many faults and subdivided into a large number of tectonic structures. The petroleum system of the study area is investigated here by analyses of source rocks, reservoirs, seals, and 1D and 2D-basing modeling approach. These methods allowed estimate of the presence of three source rocks: the Lower Jurassic (Radom Formation), Middle Jurassic (Tyumen Formation), and the Upper Jurassic-Lower Cretaceous (Bazhenov Formation). Major reservoirs of the petroleum system are referred to Lower Cretaceous deposits. In addition, the petroleum system is characterized by migration pathways, which are located both in and out of faults, traps (anticlinal and tectonic), seals, and overburden rocks, which compact underlying source rocks. Moreover, both 1D and 2D modeling allowed estimates of the timing of essential petroleum-system processes: trap and reservoir formation, generation, expulsion, migration, accumulation and entrapment, and preservation. The results show that the reservoirs were formed during the Lower Jurassic-Lower Cretaceous; the onset of trap formation occurred in the Lower Jurassic and continued till the end of the Lower Cretaceous; hydrocarbons have been generated since the Upper Cretaceous in the Radom and Tyumen Formations and since the Paleocene in the Bazhenov Formation; expulsion, migration, accumulation, and preservation began in the Oligocene in the Radom Formation and in the Miocene in the Tyumen and Bazhenov Formations and are currently continuing. The results of 2D modeling indicate four potentially productive areas along three seismic profiles. However, 3D seismic, Frequency-Dependent Processing and Interpretation (FDPI), extra geological and geochemical data are necessary for creation of a 3D model in order to better evaluate commercial viability of the petroleum system.
dc.description.departmentEarth and Atmospheric Sciences, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/10657/3439
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectPetroleum systems
dc.subject1D modeling
dc.subject2D modeling
dc.subjectBasin models
dc.subjectRisk analysis
dc.subjectSource rocks
dc.subjectReservoirs
dc.subjectSeals
dc.subjectPetroleum system analysis
dc.subjectThe West Siberian Basin
dc.subjectWestern Siberia
dc.titlePetroleum System Analysis in the Central Part of the West Siberian Basin
dc.type.dcmiText
dc.type.genreThesis
local.embargo.lift2020-05-01
local.embargo.terms2020-05-01
thesis.degree.collegeCollege of Natural Sciences and Mathematics
thesis.degree.departmentEarth and Atmospheric Sciences, Department of
thesis.degree.disciplineGeology
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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