PETROLEUM PLAYS AND PROSPECTIVITY OF THE SHU-SARYSU BASIN
Zhumagulov A.S. Manzari M.T. Issayev S.A.
2022National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2022#6Issue 456261 - 275 pp.
Exploration efforts in the Shu-Sarysu Basin, located in the central-southern part of the Republic of Kazakhstan, started by Soviet geologists in mid-1950’s and established a range of petroleum plays in various basin segments: 1 Late Devonian clastic pre-salt play, 2 Early Carboniferous clastic-carbonate play, 3 Early Permian clastic pre-salt play. All these plays attributed to a Middle-Upper Paleozoic single petroleum system, but display significant variation among the basin segments depending on the degree of exploration maturity and tectonostratigraphic units involved. Nevertheless, despite more than half a century of study, because of the low-resolution geophysical data, opinions about prospective areas are contrasting and ambiguous. Moreover, the Post-Soviet period exploration for new targets has proved potential for gas in the previously located prospects, and has highlighted the prospectivity of unexplored areas and deeper sections. Thus, petroleum plays prospectivity of the Shu-Sarysu Basin needs to be revised, considering more recently obtained data. This paper investigates characteristics of the petroleum plays of the Shu-Sarysu Basin based on published data concerning both mature producing and underexplored basin segments and clarifies their prospectivity for hydrocarbons. Synthesis and comprehensive analysis of known lithological, structural and production features of the plays and their spatial distributions has highlighted four groups within the Basin: 1 gas-bearing, 2 promising gas-bearing, 3 with unclear prospects, 4 unpromising areas. This will help geologists in the decision making to select the most favorable discovery sites and directions of further explorations, thereby minimizing costs and maximizing profits associated with exploration efforts.
hydrocarbon prospectivity , petroleum exploration , petroleum play , Shu-Sarysu Basin
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Satbayev University, Almaty, Kazakhstan
Sharif University of Technology, Tehran, Iran
Satbayev University
Sharif University of Technology
10 лет помогаем публиковать статьи Международный издатель
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