准噶尔盆地车排子凸起石炭系构造特征与油气富集规律

doi:10.12108/yxyqc.20250106

岩性油气藏 ›› 2025, Vol. 37 ›› Issue (1): 68–77.doi: 10.12108/yxyqc.20250106

准噶尔盆地车排子凸起石炭系构造特征与油气富集规律

陈鹏¹, 武小宁¹, 林煜¹, 钟厚财¹, 张洁², 黄友华¹, 岳纹¹, 冷平²

1. 中国石油集团东方地球物理公司研究院乌鲁木齐分院, 乌鲁木齐 830016;
2. 中国石油新疆油田公司勘探开发研究院, 乌鲁木齐 830013

收稿日期:2024-07-12 修回日期:2024-08-22 出版日期:2025-01-01 发布日期:2025-01-04
第一作者:陈鹏（1987—），男，硕士，高级工程师，主要从事油气勘探地震地质综合研究和管理工作。地址：（830016）新疆乌鲁木齐市新市区迎宾北一路27号。Email：chenpeng02@cnpc.com.cn。
通信作者: 武小宁（1988—），男，硕士，高级工程师，主要从事油气勘探地震地质综合研究工作。Email:wuxiaoning01@cnpc.com.cn。
基金资助:
中国石油集团油气新能源公司科技项目“新区新领域综合研究”（编号：2023YQX10111）资助。

Carboniferous structural characteristics and hydrocarbon accumulation regularity of Chepaizi Uplift in Junggar Basin

CHEN Peng¹, WU Xiaoning¹, LIN Yu¹, ZHONG Houcai¹, ZHANG Jie², HUANG Youhua¹, YUE Wen¹, LENG Ping²

1. Urumqi Branch, Geophysical Institute, BGP, CNPC, Urumqi, 830016, China;
2. Research Institute of Exploration and Development, PetroChina Xinjiang Oilfield Company, Urumqi 830013, China

Received:2024-07-12 Revised:2024-08-22 Online:2025-01-01 Published:2025-01-04

摘要/Abstract

摘要： 准噶尔盆地车排子凸起具备双源供烃的有利成藏条件，勘探程度低，潜力大。依托新采集的三维和重处理的二维地震资料，通过精细构造解释，明确了该区的构造特征与油气富集规律。研究结果表明：①受晚石炭世—早二叠世4条北西向逆冲推覆断裂和早石炭世多条南北向断裂控制，车排子凸起石炭系自南向北依次分为南部、中部、北部3个条带，东西向分为3个台阶，东翼二台阶和西翼艾卡断裂上盘埋藏浅，紧邻生烃凹槽，为最有利的成藏部位。②研究区北西—南东向断裂切割南北向断裂形成的一系列断块控制了石炭系油气的分布，具有断块控藏的特征。③在裂缝发育程度相当的情况下，储层质量是控制油气产量的关键要素，其中火山爆发相储层基质物性好，最利于油气的富集。④沙门子断裂、车排子断裂、车排子南断裂、艾卡断裂等四大断裂上盘火山爆发相发育规模大，埋藏浅，与沙湾凹陷风城组和四棵树凹陷侏罗系2套烃源岩大跨度对接，成藏条件优越，是下一步勘探的有利区。

关键词: 断块控藏, 火山爆发相储层, 逆冲推覆断裂, 双源供烃, 富集规律, 石炭系, 车排子凸起, 准噶尔盆地

Abstract: The Chepaizi Uplift of Junggar Basin has favorable reservoir conditions for dual source hydrocarbon supply，with low exploration level and great potential. Based on the newly collected 3D and reprocessed 2D seismic data，the structural characteristics of the area were clarified through fine structural interpretation. The research results indicate that：（1）Controlled by four northwest thrust faults in the Late Carboniferous-Early Permian and multiple north-south faults in the Early Carboniferous，the Chepaizi Uplift Carboniferous system is divided into three zones from south to north：southern，central，three stripes in northern，and three steps in the east-west direction. The eastern second step and the western Aika fault are shallowly buried on the hanging plate， adjacent to the main source rock stove，and are the most favorable locations for reservoir formation.（2）A series of fault blocks formed by the cutting of north-south faults in the northwest southeast direction control the distribution of oil and gas in the Carboniferous system，and have the characteristics of fault block controlled reservoirs.（3）When the degree of fracture development is comparable，reservoir is a key factor in controlling oil and gas production，among which volcanic eruption facies reservoirs have good matrix properties，which are most conducive to oil and gas enrichment.（4）The four major faults，namely the Shamenzi Fault，Chepaizi Fault，Chepaizi South Fault，and Aika Fault，have developed explosive facies on the hanging wall，with shallow burial depth. Also connected to the two major source rocks of the Fengcheng Formation in the Shawan Depression and the Jurassic in the Sikeshu Depression over a large span，and have superior reservoir conditions， making them favorable areas for further exploration.

Key words: Fault block controlled hydrocarbon accumulation, reservoirs of volcanic eruption facies, thrust faults, dual source hydrocarbon supply, enrichment law, Carboniferous, Chepaizi Uplift, Junggar Basin

中图分类号:

TE122.2

陈鹏, 武小宁, 林煜, 钟厚财, 张洁, 黄友华, 岳纹, 冷平. 准噶尔盆地车排子凸起石炭系构造特征与油气富集规律[J]. 岩性油气藏, 2025, 37(1): 68–77.

CHEN Peng, WU Xiaoning, LIN Yu, ZHONG Houcai, ZHANG Jie, HUANG Youhua, YUE Wen, LENG Ping. Carboniferous structural characteristics and hydrocarbon accumulation regularity of Chepaizi Uplift in Junggar Basin[J]. Lithologic Reservoirs, 2025, 37(1): 68–77.

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准噶尔盆地车排子凸起石炭系构造特征与油气富集规律

Carboniferous structural characteristics and hydrocarbon accumulation regularity of Chepaizi Uplift in Junggar Basin

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