Source-Rock Characteristics and Oil-source Correlation in the Hongqiba Area, Northwestern Junggar Basin

Abstract

Abstract:

Analyses of geochemical characteristics of oil fractions, C-isotope and biological markers of well cores and crude oil
from the Hongqiba area in the northwestern margin of Junggar Basin reveal that the source rock has low abundance in organic
matter and poor kerogen. Oils from Hongqiba and its adjacent areas show a certain degree of correlations with the source rocks
of the Fengcheng Formation in the Mahu sag with regard to the distribution of C20, C21, C23 tricyclic diterpanes, Pr/Ph, and carbon
isotope. Therefore, we suggest that oils mainly originated from the Fengcheng Formation of the Mahu sag.

Key words: source rock evaluation, oil-source correlation, Hongqiba area, Junggar Basin

CLC Number:

P618.13

LU Xiaoyu, HUANG Zhilong, ZHANG Meiyan, LIU Fengyan. Source-Rock Characteristics and Oil-source Correlation in the Hongqiba Area, Northwestern Junggar Basin[J]. J4, 2012, 18(2): 350-.

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Source-Rock Characteristics and Oil-source Correlation in the Hongqiba Area, Northwestern Junggar Basin

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