Genetic mechanism and distribution characteristics of Jurassic-Cretaceous secondary reservoirs in the hinterland of Junggar Basin

doi:10.7623/syxb201908003

Acta Petrolei Sinica ›› 2019, Vol. 40 ›› Issue (8): 914-927.DOI: 10.7623/syxb201908003

• Petroleum Exploration • Previous Articles Next Articles

Genetic mechanism and distribution characteristics of Jurassic-Cretaceous secondary reservoirs in the hinterland of Junggar Basin

Liu Gang¹, Wei Yanzhao¹, Chen Gang¹, Jia Kaifu², Gong Deyu¹, Wang Feng², Sun Jing², Zhu Feng³, Ma Weijiao¹

1. PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China;
2. Research Institute of Petroleum Exploration and Development, PetroChina Xinjiang Oilfield Company, Xinjiang Karamay 834000, China;
3. Urumqi Branch, Bureau of Geophysical Prospecting Research Institute, China National Petroleum Corporation, Xinjiang Urumqi 830016, China

Received:2018-09-19 Revised:2019-01-11 Online:2019-08-25 Published:2019-08-28

准噶尔盆地腹部侏罗系-白垩系次生油气藏形成机制及分布特征

刘刚¹, 卫延召¹, 陈棡¹, 贾开富², 龚德瑜¹, 王峰², 孙靖², 朱峰³, 麻伟娇¹

1. 中国石油勘探开发研究院北京 100083;
2. 中国石油新疆油田公司勘探开发研究院新疆克拉玛依 834000;
3. 中国石油东方地球物理公司研究院乌鲁木齐分院新疆乌鲁木齐 830016

通讯作者: 卫延召,男,1972年2月生,1995年获兰州大学地质学专业学士学位,2001年获中国石油勘探开发研究院博士学位,现为中国石油勘探开发研究院高级工程师,主要从事石油、天然气地质综合研究。Email:weiyanzhao@petrochina.com.cn
作者简介:刘刚,男,1988年7月生,2011年获西北大学资源勘查工程专业学士学位,2014年获中国石油勘探开发研究院矿产普查与勘探专业硕士学位,现为中国石油勘探开发研究院工程师,主要从事油气成藏综合研究。Email:liug_2011@petrochina.com.cn
基金资助:
国家科技重大专项（2016ZX05046-001）和中国石油天然气股份有限公司科技重大专项（2016B-0301）资助。

Abstract

Abstract:

A large number of secondary reservoirs are developed in the hinterland of Junggar Basin, characterized by shallow burial depth, good physical properties, fast production and high yield, as a key target for prospecting high-efficient reservoirs. Based on the homogeneous temperature analysis of fluid inclusions, in combination with the recovered burial and thermal evolution history, it has been clarified that the Early Cretaceous was the key period for the development of the Jurassic-Cretaceous primary oil and gas reservoirs in Junggar Basin, and the Late Paleogene was the accumulation period when hydrocarbon were adjusted to secondary reservoirs. By reconstructing the Jurassic structure in Early Cretaceous (primary hydrocarbon accumulation period) and analyzing the spatial-temporal coupling relationship of hydrocarbon accumulation elements, the grains containing oil inclusions and the quantitative grain fluorescence for reservoirs, it has been discovered that Mosuowan, Lunan and Luliang nose-like plunging anticlines were the main accumulation areas of the Jurassic primary reservoir. Based on the distribution of primary reservoirs and the tectonic features in Late Paleogene (secondary hydrocarbon adjustment period), this study deeply analyzes the genetic mechanism and transport factors of the Jurassic-Cretaceous secondary reservoirs in the hinterland of Junggar Basin, constructs four types of transport systems of secondary reservoirs, identifies the action areas, accumulation positions, target types and control factors of various transport systems, and establishes the accumulation patterns of secondary reservoirs. Under the guidance of the patterns and the difference of the transport system, the Jurassic-Cretaceous secondary reservoirs are divided into four types of accumulation areas, of which the Shidong uplift and the Shinan nose-like uplift with relatively low exploration are the key zones of high-efficient secondary reservoirs for future exploration.

Key words: secondary reservoir, primary reservoir, transport system, accumulation period, Jurassic, Cretaceous, hinterland of Junggar Basin

摘要：

准噶尔盆地腹部侏罗系-白垩系发育大量的次生油气藏，以埋藏浅、物性好、建产快、产能高为特点，是寻找高效油气藏的重点探区。利用流体包裹体均一温度分析，结合恢复的埋藏史和热演化史，明确了准噶尔盆地腹部侏罗系-白垩系原生油气藏形成的关键期在早白垩世，次生调整的成藏期在古近纪末期。通过恢复早白垩世（原生油气成藏期）侏罗系的构造，结合成藏要素的时空耦合关系以及油气包裹体丰度、储集层定量颗粒荧光分析，揭示出莫索湾、陆南和陆梁古鼻状构造是侏罗系原生油藏的主要聚集区。综合原生油藏的分布和古近纪末期（次生油气调整期）的构造特征，深入剖析了准噶尔盆地腹部侏罗系-白垩系次生油气藏的成因机制和输导要素，构建了次生油气藏的4类输导体系，明确了各类输导体系的作用区域、成藏层位、目标类型及控制因素，建立了次生油气藏的形成模式。在成藏模式的指导下，结合输导体系的差异性，将侏罗系-白垩系次生油气藏划分为4类成藏区，其中，勘探程度相对较低的石东凸起和石南鼻状凸起是未来寻找高效次生油气藏的重点区带。

关键词: 次生油气藏, 原生油藏, 输导体系, 成藏期, 侏罗系, 白垩系, 准噶尔盆地腹部

CLC Number:

TE122.3

Liu Gang, Wei Yanzhao, Chen Gang, Jia Kaifu, Gong Deyu, Wang Feng, Sun Jing, Zhu Feng, Ma Weijiao. Genetic mechanism and distribution characteristics of Jurassic-Cretaceous secondary reservoirs in the hinterland of Junggar Basin[J]. Acta Petrolei Sinica, 2019, 40(8): 914-927.

刘刚, 卫延召, 陈棡, 贾开富, 龚德瑜, 王峰, 孙靖, 朱峰, 麻伟娇. 准噶尔盆地腹部侏罗系-白垩系次生油气藏形成机制及分布特征[J]. 石油学报, 2019, 40(8): 914-927.

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Genetic mechanism and distribution characteristics of Jurassic-Cretaceous secondary reservoirs in the hinterland of Junggar Basin

准噶尔盆地腹部侏罗系-白垩系次生油气藏形成机制及分布特征

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[1]	Wang Qinghua, Zhang Liang, Lü Xiuxiang, Zhou Lu, Wang Rui. Hydrocarbon accumulation types and distribution prediction of western section of frontal uplift of Kuqa foreland basin [J]. Acta Petrolei Sinica, 2023, 44(5): 730-747.
[2]	Xiong Lianqiao, Xie Xiaojun, Deng Yougen, Tang Wu, Zhang Chunyu, Bai Haiqiang, Liu Ziyu, Liao Jihua. Genesis and evolution of Lower Cretaceous silicified carbonate reservoirs in southern Campos Basin [J]. Acta Petrolei Sinica, 2023, 44(10): 1612-1623,1649.
[3]	Guo Xusheng, Wei Zhihong, Wei Xiangfeng, Liu Zhujiang, Chen Chao, Wang Daojun. Enrichment conditions and exploration direction of Jurassic continental shale oil and gas in Sichuan Basin [J]. Acta Petrolei Sinica, 2023, 44(1): 14-27.
[4]	Wang Qinghua, Zhang Ronghu, Yang Xianzhang, Yu Chaofeng, Xu Zhenping, Zhou Lu, Wang Ke, Zhang Liang. Major breakthrough and geological significance of tight sandstone gas exploration in Jurassic Ahe Formation in Dibei area,eastern Kuqa depression [J]. Acta Petrolei Sinica, 2022, 43(8): 1049-1064.
[5]	Guo Tonglou, Wang Yongfei, Ye Sujuan, Liu Lin. Accummulation conditions and key technologies for exploration and development of Zhongjiang gas field in Sichuan Basin [J]. Acta Petrolei Sinica, 2022, 43(1): 141-155.
[6]	Wei Guoqi, Zhang Ronghu, Zhi Fengqin, Wang Ke, Yu Chaofeng, Dong Caiyuan. Formation conditions and exploration directions of Mesozoic structural-lithologic stratigraphic reservoirs in the eastern Kuqa depression [J]. Acta Petrolei Sinica, 2021, 42(9): 1113-1125.
[7]	Hou Lianhua, Yang Fan, Yang Chun, Yang Haijun, Li Yong. Principles and methods for quantitatively evaluating the effectiveness of conventional petroleum zones and traps [J]. Acta Petrolei Sinica, 2021, 42(9): 1126-1141.
[8]	Li Fengfeng, Song Xinmin, Guo Rui, Liu Lifeng, Song Shiqi. Characteristics and genesis of interlayers in thick bioclastic limestone reservoirs: a case study of Cretaceous Mishrif Formation of the M oilfield in the Middle East [J]. Acta Petrolei Sinica, 2021, 42(7): 853-864.
[9]	Yang Dexiang, Chen Yong, Li Xiaodong, Zhou Zhenzhu, Tian Jianzhang, Hou Fengxiang, Wang Yuanjie, Feng Yanwei, Gao Ting, Li Yubang, Wang Miao, Zhang Hui, Liu Tingyu. Evidence from fluid inclusions for hydrocarbon accumulation of Yangshuiwu buried hill in Langgu sag, Bohai Bay Basin [J]. Acta Petrolei Sinica, 2021, 42(10): 1325-1336.
[10]	Shi Chaoqun, Xu Anming, Wei Hongxing, Hu Chunlei, Zhang Xing, Zhang Wen, Mo Tao, Zhang Huifang, Zhou Lu, Shi Lingling, Zhu Wenhui, Chen Weili. Quantitative characterization on the clastic reservoir destruction by tectonic compression: a case study of the Jurassic Ahe Formation in Yiqikelike structural belt, Kuqa depression [J]. Acta Petrolei Sinica, 2020, 41(2): 205-215.
[11]	Liu Hangyu, Tian Zhongyuan, Liu Bo, Guo Rui, Shi Kaibo, Ye Yufeng. Classification and prediction of giant thick strongly heterogeneous carbonate reservoirs in the Middle East area: a case study of Mid-Cretaceous Mishrif Formation in the W oilfield of Iraq [J]. Acta Petrolei Sinica, 2019, 40(6): 677-691.
[12]	Liu Gang, Wei Yanzhao, Luo Hongcheng, Chen Gang, Gong Deyu, Wang Feng, Sun Jing, Jia Kaifu. Sand-body structure and reservoir forming control of Jurassic Sangonghe Formation in Well Block Shinan 13,Luxi area,Junggar Basin [J]. Acta Petrolei Sinica, 2018, 39(9): 1006-1018.
[13]	Zhang Ronghu, Zou Weihong, Chen Ge, Zhao Jilong, Zhang Huiliang, Wu Jin, Li Xianjing. Characteristics and hydrocarbon exploration significance of the huge Lower Cretaceous lacustrine sand bar in the northern Tarim Basin [J]. Acta Petrolei Sinica, 2018, 39(8): 845-857.
[14]	Gao Zhiyong, Wang Xiaoqi, Li Jianming, Cui Jinggang, Jin Xu, Zhou Chuanmin, Feng Jiarui, Shi Yuxin. Q uantitative characterization and distribution of pore throat assemblages of Cretaceous reservoir in the Kelasu tectonic belt,Kuqa depression [J]. Acta Petrolei Sinica, 2018, 39(6): 645-659.
[15]	Pang Zhenglian, Tao Shizhen, Zhang Qin, Zhang Tianshu, Yang Jiajing, Fan Jianwei, Yuan Miao. Secondary migration mechanism and accumulation controlling factors of Jurassic tight oil in Sichuan Basin [J]. Acta Petrolei Sinica, 2018, 39(11): 1211-1222.