Maturity of crude oil in west slope of Dongpu Depression

doi:10.7623/syxb200605009

Editorial office of ACTA PETROLEI SINICA ›› 2006, Vol. 27 ›› Issue (5): 51-55.DOI: 10.7623/syxb200605009

• Petroleum Exploration • Previous Articles Next Articles

Maturity of crude oil in west slope of Dongpu Depression

Huang Longwei^1,2

1. Guiyang Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;
2. Sinopec Zhongyuan Oilfield Company, Puyang 457001, China

Received:2005-11-07 Revised:2005-12-19 Online:2006-09-25 Published:2010-05-21

东濮凹陷西斜坡地区原油成熟度研究

黄龙威^1,2

1. 中国科学院地球化学研究所, 贵州, 贵阳, 550002;
2. 中国石化中原油田分公司, 河南, 濮阳, 457001

作者简介:黄龙威,男,1963年5月生,1987年毕业于中国地质大学,现为中国科学院在读博士研究生、高级工程师,研究方向为石油及天然气地质勘探.E-mail:gdwlh@263.net
基金资助:
中国石油化工集团公司科技攻关项目(2003-3-005)部分成果

Abstract

Abstract: The maturity parameters for thermal evolution of aromatics such as alkylated dibenzothiophenes (MDBT),dehydroxyl-vitamin E and triaromatic-sterane (TAS series) compounds of crude oil of Huzhuangji-Qingzuji oilfield in the west slope of Dongpu Depression were analyzed by the GC-MS technology.The distribution characteristics of aromatic chromatography,the value of β/γ dehydroxyl-vitamin E,the values of 4-/l-MDBT,4,6-/1,4-DMDBT and C₂₀/(C₂₀+C₂₆)TAS,and the content of triaromatic-sterane series suggest that the crude oil distributed in second step structure was derived from the low-maturity hydrocarbon source rocks,while the crude oil distributed in Changyuan fault zone and the first step structure was derived from the maturity hydrocarbon source rocks.

Key words: Dongpu Depression, hydrocarbon source rocks, fault zone, geochemical characteristics, aromatic compound, maturity parameter

摘要： 采用GC-MS分析技术分析了东濮凹陷西斜坡胡状集和庆祖集油田原油芳烃化合物的成熟度参数,包括烷基二苯并噻吩(MDBT)系列、脱羟基维生素E和三芳甾烷(TAS)系列化合物.分析结果表明,芳烃化合物分布特征、脱羟基维生素E的β/γ异构体比值、4-/1-MDBT值、4,6-/1,4-DMDBT值、C₂₀/(C₂₀+C₂₆)TAS值以及三芳甾烷的相对含量,均反映东濮凹陷西斜坡二台阶构造带内的原油为烃源岩低熟阶段的产物,而长垣断层断裂带和长垣断层下降盘的原油属于烃源岩成熟阶段的产物.

关键词: 东濮凹陷, 烃源岩, 断裂带, 地球化学特征, 芳烃化合物, 成熟度参数

CLC Number:

TE125.5

Huang Longwei. Maturity of crude oil in west slope of Dongpu Depression[J]. Editorial office of ACTA PETROLEI SINICA, 2006, 27(5): 51-55.

黄龙威. 东濮凹陷西斜坡地区原油成熟度研究[J]. 石油学报, 2006, 27(5): 51-55.

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Maturity of crude oil in west slope of Dongpu Depression

东濮凹陷西斜坡地区原油成熟度研究

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