天然气地质学

胜北洼陷胜北构造带白垩系连木沁组沉积体系分布与岩性油气藏勘探

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  • (中国石油勘探开发研究院西北分院,甘肃 兰州 730020)  
杨占龙(1970-),男,甘肃宁县人,博士,高级工程师,主要从事含油气盆地分析与岩性油气藏等研究工作.

收稿日期: 2005-06-13

  修回日期: 2005-08-11

  网络出版日期: 2006-02-20

基金资助

中国石油天然气股份有限公司勘探生产分公司勘探前期评价项目(编号:KTQQ-2004-016)资助.

SEDIMENTARY SYSTEM DISTRIBUTION AND SUBTLE TRAPS EXPLORATION OF LIANMUQIN FORMATION CRETACEOUS,SHENGBEI STRUCTURE ZONE,SHENGBEI SAG

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  • Northwest Branch, Research Institute of Petroleum Exploration and Development, PetroChina, Lanzhou 730020,China

Received date: 2005-06-13

  Revised date: 2005-08-11

  Online published: 2006-02-20

摘要

吐哈盆地胜北洼陷胜北构造带白垩系连木沁组属于典型的北物源扇三角洲前缘沉积体系,其砂体埋藏深度较浅,储层物性较好,向北上倾尖灭型岩性圈闭发育。根据胜北洼中隆良好的古构造背景,结合胜北3、4号南北向平移断层沟通中、下侏罗统水西沟群煤系地层和中侏罗统七克台组湖相泥岩烃源岩系等情况,认为胜北洼陷白垩系是浅层次生岩性油气藏勘探的有利地区。

本文引用格式

杨占龙;陈启林;郭精义;李在光;黄云峰;吴青鹏;李红哲; . 胜北洼陷胜北构造带白垩系连木沁组沉积体系分布与岩性油气藏勘探[J]. 天然气地球科学, 2006 , 17(1) : 89 -93 . DOI: 10.11764/j.issn.1672-1926.2006.01.89

Abstract

Lianmuqin Formation of Cretaceous,Shengbei structure zone of Shengbei Sag,Turban-Harmy basin,belongs to typical fan-deltaic front sedimentary system of north sediment source.The sandstone bodies of this sedimentary system are buried in shallow position and in good quality of porosity and permeability.Shengbei structure zone and its south flank are the main position for sandstone and available for the north pinch out subtle traps development.Combined the background of upheaval in sag and cling to the strike--shift faults of Shengbei F3 and F4, which join the hydrocarbon source rocks  of coal-bearing series of Shuixigou group, lower-middle Jurassic and lacustrin e mudstone of Qiketai formation of middle Jurassic, the Shengbei structure zone  and its south flank are favorable shallow position for secondary subtle traps ex ploration of Cretaceous in Shengbei sag.

参考文献

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