油气地质

鄂尔多斯盆地马岭地区上三叠统长7 油层组油气富集规律

  • 毛雪莲 ,
  • 马青 ,
  • 刘伟 ,
  • 袁超 ,
  • 蔡佳成
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  • 1.长江大学油气资源与勘探技术教育部重点实验室,湖北武汉430100; 2.长江大学地球化学系,湖北武汉430100
李威(1988-),男,长江大学在读硕士研究生,研究方向为油气地质地球化学。地址:(430100)湖北省武汉市蔡甸区大学路特1 号长江大学地球化学系。E-mail:zhouqing3@630741345@qq.com

网络出版日期: 2012-12-20

Hydrocarbon enrichment of Upper Triassic Chang 7 oil reservoir set in Maling area, Ordos Basin

  • MAO Xuelian ,
  • MA Qing ,
  • LIU Wei ,
  • YUAN Chao ,
  • CAI Jiacheng
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  • 1. Key Laboratory of Exploration Technology for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2. Department of Geochemistry, Yangtze University, Wuhan 430100, China

Online published: 2012-12-20

摘要

鄂尔多斯盆地马岭地区长7 油层组具有良好的油气资源潜力,但随着油气勘探开发的深入,其勘探 难度越来越大。致密砂岩型岩性油气藏的成藏富集机理是制约鄂尔多斯盆地延长组长7 油层组深入勘 探的核心问题。为了更好地指导油气勘探工作,从烃源岩、沉积相、储集层及构造特征等方面入手,总结了 该区长7 油层组油气藏分布特征和规律,并分析了油气富集成藏的主控因素。结果表明:马岭地区长7 油层组主要为岩性油气藏,深湖浊积岩为主要沉积类型,油气富集主要受烃源岩、沉积相及储层等因素的 控制。

本文引用格式

毛雪莲 , 马青 , 刘伟 , 袁超 , 蔡佳成 . 鄂尔多斯盆地马岭地区上三叠统长7 油层组油气富集规律[J]. 岩性油气藏, 2012 , 24(6) : 101 -105 . DOI: 10.3969/j.issn.1673-8926.2012.06.018

Abstract

The Chang 7 oil reservoir set has great hydrocarbon potential inMaling area, Ordos Basin.With the development of oil and gas exploration, the exploration difficulty is increasingly growing in Chang 7 oil reservoir set. The accumulation mechanism of lithologic reservoir in tight sandstone gradually becomes the main difficulties for
exploration arrangement of Chang 7 oil reservoir set of Yanchang Formation in Ordos Basin. Based on study of the characteristics of source rocks, sedimentary facies, reservoir and structure, the characteristics and rules of reservoir distribution were summarized, and the main controlling factors for hydrocarbon accumulation and enrichment were analyzed. The result shows that Chang 7 oil reservoir set is mainly lithologic reservoir, turbidite facies is the main sedimentary type, and the hydrocarbon accumulation and enrichment is mainly controlled by source rocks, sedimentary facies and reservoir.

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