BITUMEN AND OIL SOURCE CORRELATION OF ANRAN REEFS IN NANPAN RIVER DEPRESSION

doi:10.3863/j.issn.1000-2634.1991.04.003

Abstract

Abstract:

The bitumen in Anran reefs which distributes in different pores consists of framework dissolution pore-cave filling type, fissure filling type and fissuredruse filling type. Its microtexure is of intermediate phase pellets, welded pellets with mosaic texture, stick-like and slice-like texture. By chemical analysis,X-ray eiffraction and reflectance determination, trace element analysis, as well as aromatic hydrocarbon analysis, it is revealed that the bitumen in Anran reefs is characserized by overmature organic matter.By oil source reseach it is preliminarily confirmed that the oil source of Ke-1 bitumen in Maokou formation of Lower Permian is from underlying Middle Devonian source rock，the Md-1 fissure filling bitumen in Changxin formation of Upper Permian comes from the overlying MiddleTriassic source rock，and some bitumen is characterized by mixed sources.

Key words: Reef, Bitumen, Intermediate phase change, Microtexture, Thermal evolution, Aromatic hydrocarbon, Component analysis, Oil source correlation

CLC Number:

TE112.114

Luo Huai-zhang Qi Jing-wen Yang Zi-ling . BITUMEN AND OIL SOURCE CORRELATION OF ANRAN REEFS IN NANPAN RIVER DEPRESSION[J]. 西南石油大学学报(自然科学版), 1991, 13(4): 21-30.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1000-2634.1991.04.003

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y1991/V13/I4/21

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BITUMEN AND OIL SOURCE CORRELATION OF ANRAN REEFS IN NANPAN RIVER DEPRESSION

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