中国石油大学学报（自然科学版）2013，Vol.37Issue(2)：135-145,11.DOI:10.3969/j.issn.1673-5005.2013.02.023
鄂尔多斯盆地南部延长组有效烃源岩地球化学特征及其识别标志
Geochemical features and identification marks for efficient source rocks of Yanchang formation in southern Ordos Basin
摘要
Abstract
Based on the analysis of the precise biomarker characteristics, type classifications and comparison of crude oil and source rocks, the effective source rocks of Yanchang formation in southern Erdos Basin were considered to be oil shale and mudstone in Chang 7. The identification mark of biomarker-normal geochemical evaluation-log electrical parameters in Yanchang formation of upper Triassic in southern Erdos Basin was established according to the geochemical characteristics and logging characteristics. The parameters are as follows: 8β( H) -homodrimane/8β( H)-drimanes<2, w( TOC) >1. 6% , S1+S2 >4 mg/g, IH> 170 mg/g, GR>120 API, Δt>260 μs/m, RT>15 Ω · m, CNL>27%. Logging calculation formula of w (TOC) and IH was established according to the correlation of geochemical parameters and electrical ones, which has realized the cohesion of geochemical information of limited core to the whole interval logging information.关键词
鄂尔多斯盆地南部/生物标志物/地球化学特征/油源对比/有效烃源岩/识别标志Key words
southern Ordos Basin/ biomarkers/ geochemical characteristics/ oil-source correlation/ effective hydrocarbon source rocks/ identification marks分类
天文与地球科学引用本文复制引用
邓南涛,张枝焕,鲍志东,王付斌,梁全胜,李文浩,陆骋,赵双丰,罗梦姣..鄂尔多斯盆地南部延长组有效烃源岩地球化学特征及其识别标志[J].中国石油大学学报（自然科学版）,2013,37(2):135-145,11.基金项目
国家重大专项(2011ZX05002-001-003) （2011ZX05002-001-003）
中国石化科研专项(G13KJ-11-ZS-QT-ZJ-0005) （G13KJ-11-ZS-QT-ZJ-0005）
