车拐斜坡区三叠系百口泉组油气成藏条件研究

doi:10.11885/j.issn.16745086.2019.09.16.03

西南石油大学学报(自然科学版) ›› 2021, Vol. 43 ›› Issue (3): 37-50.DOI: 10.11885/j.issn.16745086.2019.09.16.03

车拐斜坡区三叠系百口泉组油气成藏条件研究

于景维¹, 孙波², 余海涛³, 高子杰¹, 任楚梵¹

1. 中国石油大学(北京)克拉玛依校区, 新疆克拉玛依 834000;
2. 中国石油新疆油田分公司油田技术服务公司, 新疆克拉玛依 834000;
3. 中国石油新疆油田分公司勘探开发研究院, 新疆乌鲁木齐 830014

收稿日期:2019-09-16 发布日期:2021-06-22
通讯作者: 于景维,E-mail:yyjjww-1985@163.com
作者简介:于景维,1985年生,男,汉族,河北石家庄人,副教授,博士,主要从事高分辨层序地层学与储层沉积学方面的教学与研究工作。E-mail:yyjjww-1985@163.com
孙波,1983年生,男,汉族,河南邓州人,工程师,主要从事油气田滚动勘探方面的研究工作。E-mail:2403797286@qq.com
余海涛,1985年生,男,汉族,四川遂宁人,工程师,主要从事沉积储层方面的研究工作。E-mail:445749719@qq.com
高子杰,1998年生,男,汉族,山东东营人,硕士研究生,主要从事油气田开发地质方面的研究工作。E-mail:304766059@qq.com
任楚梵,2001年生,男,汉族,河南焦作人,主要从事资源勘查工程研究。E-mail:strikingb@163.com
基金资助:
国家科技重大专项（2011ZX0500100501）；中国石油大学（北京）克拉玛依校区人才引进项目（RCYJ2016B01010）；克拉玛依市科技局项目（2019RC001A）

Hydrocarbon Accumulation Conditions of Baikouquan Formation of Triassic in Cheguai Slope Area

YU Jingwei¹, SUN Bo², YU Haitao³, GAO Zijie¹, REN Chufan¹

1. Karamay Campus, China University of Petroleum, Karamay, Xinjiang 834000, China;
2. Technological Service Company, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China;
3. Exploration and Development Institute, Xinjiang Oilfield Company, PetroChina, Urumqi, Xinjiang 830014, China

Received:2019-09-16 Published:2021-06-22

摘要/Abstract

摘要： 针对车拐斜坡区三叠系百口泉组成藏条件认识模糊的问题，以钻测井、地震、微观测试分析为手段，对百口泉组油藏的烃源岩、储层、盖层、运移条件以及圈闭类型进行分析。结果表明，车拐斜坡区百口泉组油藏存在多套烃源岩为其供烃，以风城组和下乌尔禾组为主；存在物性较好的（水下）分流河道砂岩储层，同百三段发育的大套泥岩形成的盖层相互匹配，组成有利储盖组合；断裂、高渗砂体、古地貌以及异常压力环境为油气运移创造条件，控制油气疏导路径；形成高部位构造-岩性圈闭以及斜坡带和低部位岩性圈闭两种圈闭类型；利用古地貌、沉积相、断裂平面图以及压力系数平面图进行叠合，划分出3个有利成藏区，为百口泉组勘探提供方向，指出成藏II区具有较大的勘探潜力。

关键词: 成藏条件, 油气勘探, 三叠系, 百口泉组, 车拐地区, 准噶尔盆地

Abstract: The fuzzy recognition on hydrocarbon accumulation conditions in Baikouquan Formation of Cheguai slope area is a problem, which has been hindering deeper oil and gas exploration. Hydrocarbon source rock, reservoir, cap rock, migration conditions and trap types were investigated with drilling, seismic, well test and laboratory data. The study results show that many hydrocarbon source rocks supply hydrocarbon for Baikouquan oil reservoir, Fengcheng Formation and lower Wuerhe Formation being the major source rocks. Sandstone reservoirs of distributary channels (underwater) with good physical properties match well with mud-stone cap rocks developed in the three member of Baikouquan Formation, all of which made favorable reservoir-seal assemblage. Faults, hyper-osmotic sands, ancient landform and abnormal pressure create conditions for oil and gas migration and control migration path. There were two trap types named structural-litho-trap in high position and litho-trap in slope and low position. Congruent with ancient landform, sedimentary face, planar graph of faults and pressure coefficient, the result shows there are three favorable reservoir zones in study area which can supply exploration direction in Baikouquan Formation, and II reservoir zone has the best exploration potential.

Key words: hydrocarbon accumulation conditions, oil and gas exploration, Triassic, Baikouquan Formation, Cheguai slope Area, Junggar Basin

中图分类号:

TE122

于景维, 孙波, 余海涛, 高子杰, 任楚梵. 车拐斜坡区三叠系百口泉组油气成藏条件研究[J]. 西南石油大学学报(自然科学版), 2021, 43(3): 37-50.

YU Jingwei, SUN Bo, YU Haitao, GAO Zijie, REN Chufan. Hydrocarbon Accumulation Conditions of Baikouquan Formation of Triassic in Cheguai Slope Area[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2021, 43(3): 37-50.

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车拐斜坡区三叠系百口泉组油气成藏条件研究

Hydrocarbon Accumulation Conditions of Baikouquan Formation of Triassic in Cheguai Slope Area

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