OIL SOURCE CORRELATION OF JURASSIC ON MAQIAO ARCH IN THE HINTERLAND OF JUNGGAR BASIN

Abstract

Abstract: Oil from the Jurassic on Maqiao arch in the hinterland of Junggar basin can be geochemically divided into three groups： group I, occurring in Toutunhe formation, Xishanyao formation, and upper Sangonghe formation; group I, occurring in lower Sangonghe formation and Badaowan formation (excluding oil in group Ⅱ ); and group Ⅱ, extracts from oil sand at 5 220, 05 m (Badaowan formation) in Well Pen-4. Oil source correlation demonstrated that oil from the Jurassic on Maqiao arch correlated well with type I and Ⅱ oil in the northwest margin of Junggar basin and major source rock is inferred to be the Permian and Carboniferous, with minor amount of Mesozoic source rock. At least two phases occurred for formation of reservoir on Maqiao arch： Jurassic and Cretaceous-Early Tertiary.

Key words: Junggar basin, Maqiao arch, Jurassic, Crude oil correlation, Oil source correlation

Wang Xulong, Liu Deguang. OIL SOURCE CORRELATION OF JURASSIC ON MAQIAO ARCH IN THE HINTERLAND OF JUNGGAR BASIN[J]. Xinjiang Petroleum Geology, 1995, 16(1): 33-37.

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OIL SOURCE CORRELATION OF JURASSIC ON MAQIAO ARCH IN THE HINTERLAND OF JUNGGAR BASIN

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