GENETIC CLASSIFICATION OF OILS AND PREDICTION OF FAVORABLE OIL-BEARING ZONES IN LUNAN ARCH IN THE HINTERLAND OF JUNGGAR BASIN

Abstract

Abstract: Oils from Lunan arch are classified into five types, namely, Xiayan type- -mature to highly mature Paleozoic oils, Shixi type- -highly mature Paleozoic oils, Lunan type- mature Mesozoic and Paleozoic mixed oils, Dixi type- mature Mesoozoic oils, and Dinan type- -low mature to mature Paleozoic oils, based on the physical properties and geochemical data of oils. According to the regular distribution of different oil types in section, along with the trap conditions, three favorable hydrocarbon-bearing zones are circled out. The west part of luliang uplift and Dabasong arch are the moderately. explored areas, the area from north Dongdaohaizi sag to the east side of Wucaiwan sag is the favorable target for Paleozoic self-sourced, self-storaged reservoir, and in the uplift zone at the sag margin it is highly probable to find the fault-screened oil and gas reservoirs.

Key words: Junggar basin, Crude oil property, Distribution, Hydrocarbon evolution, Hydrocarbon potential, Prediction

Wang Yutao. GENETIC CLASSIFICATION OF OILS AND PREDICTION OF FAVORABLE OIL-BEARING ZONES IN LUNAN ARCH IN THE HINTERLAND OF JUNGGAR BASIN[J]. Xinjiang Petroleum Geology, 1997, 18(3): 225-230.

References

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