Lithologic Reservoirs ›› 2025, Vol. 37 ›› Issue (3): 108-119.doi: 10.12108/yxyqc.20250310

• PETROLEUM EXPLORATION • Previous Articles    

Characteristics and formation mechanism of Permian marine shale of Kaijiang-Liangping trough in northern Sichuan Basin

YANG Xue1,2, YANG Yuran1,2, ZHANG Jingyuan1,2, TIAN He1,2, WANG Qing1,2, SONG Fang1,2, ZHANG Saike1,2, CHEN Yao1,2   

  1. 1. PetroChina Southwest Oil & Gas Field Company, Chengdu 610051, China;
    2. Shale Gas Research Institute, PetroChina Southwest Oil & Gasfield Company, Sichuan Provincial Key Laboratory of Shale Gas Evaluation and Exploitation, Chengdu 610051, China
  • Received:2024-09-05 Revised:2024-10-29 Published:2025-05-10

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Abstract: In order to clarify the formation mechanism of Permian Wujiaping formation organic rich shale of KaijiangLiangping trough in northern Sichuan, based on the drilling core data. The characteristics of geochemical elements，macro and micro evidences of rocks are analyzed，and the research is carried out from the aspects of tectonic evolution，sedimentary environment and the impact of events. The results show that：（1）The tectonic evolution of the Kaijiang-Liangping trough in northern Sichuan controls the sedimentary environment of shale，and the formation of the Kaijiang-Liangping trough provides basic geological conditions for shale deposition. Many sets of shale deposited in the trough are thicker than those outside the trough. The vertical lithologic combination is complex，and the plane heterogeneity is very strong. Relatively stable organic rich shale was formed in the deep-water shelf facies.（2）The lithology of the Permian Wusan member shale in the study area is mainly siliceous shale，with the characteristics of“one thin and four high”，that is，the continuous shale is thin，high TOC，high porosity，high gas content and high brittleness. According to the comprehensive evaluation，it is a Permian high-quality shale reservoir and has realized the commercial development of natural gas.（3）Volcanic activity in event deposits is one of the important factors affecting the formation of high-quality reservoirs. The multi-stage tuff belt developed in the shale layer of the third member of Wu corresponds to the peak period of biological development，and primary productivity controls the formation of high organic carbon.（4）Affected by tectonic activities and sea area closure，the original sedimentary layers in the Kaijiang-Liangping trough are clearly visible. The original sedimentary framework formed the pore framework. The upper Wusan member of the Permian system is the best quality reservoir. The organic rich shale was formed in a deep-water reducing environment，and the formation and enrichment of high organic matter in the shale were promoted by remote volcanic activity. The original mineral composition and its accumulation mode control the distribution of high porosity and high gas content areas，thus creating natural gas wells with high and stable production.

Key words: shale gas, deep water shelf facies, sedimentary reduction environment, volcanic activity, Wujiaping Formation, Permian, Kaijiang-Liangping trough, Sichuan Basin

CLC Number: 

  • TE122
[1] 杨学锋,赵圣贤,刘勇,等. 四川盆地宁西地区奥陶系五峰组- 志留系龙马溪组页岩气富集主控因素[J]. 岩性油气藏,2024, 36(5):99-110. YANG Xuefeng,ZHAO Shengxian,LIU Yong,et al. Main controlling factors of shale gas enrichment of Ordovician Wufeng Formation-Silurian Longmaxi Formation in Ningxi area,Sichuan Basin[J]. Lithologic Reservoirs,2024,36(5):99-110.
[2] 何骁,陈更生,吴建发,等.四川盆地南部地区深层页岩气勘探开发新进展与挑战[J].天然气工业,2022,42(8):24-34. HE Xiao,CHEN Gengsheng,WU Jianfa,et al. Deep shale gas exploration and development in the southern Sichuan Basin:New progress and challenges[J]. Natural Gas Industry,2022, 42(8):24-34.
[3] 陈更生,石学文,刘勇,等. 四川盆地南部地区五峰组-龙马溪组深层页岩气富集控制因素新认识[J]. 天然气工业,2024, 44(1):58-71. CHEN Gengsheng,SHI Xuewen,LIU Yong,et al. New understandings of the factors controlling of deep shale gas enrichment in the Wufeng Formation-Longmaxi Formation of the southern Sichuan Basin[J]. Natural Gas Industry,2024,44(1):58-71.
[4] 姜鹏飞,吴建发,朱逸青,等. 四川盆地海相页岩气富集条件及勘探开发有利区[J]. 石油学报,2023,44(1):91-109. JIANG Pengfei,WU Jianfa,ZHU Yiqing,et al. Enrichment conditions and favorable areas for exploration and development of marine shale gas in Sichuan Basin[J]. Acta Petrolei Sinica,2023, 44(1):91-109.
[5] 罗冰,文华国,廖义沙,等. 川东北地区二叠系吴家坪组二段页岩储层特征及有利区分布[J]. 岩性油气藏,2025,37(1):1-12. LUO Bing,WEN Huaguo,LIAO Yisha,et al. Shale reservoirs characteristics and favorable areas distribution of the second member of Permian Wujiaping Formation in northeastern Sichuan Basin[J]. Lithologic Reserviors,2025,37(1):1-12.
[6] 包汉勇,赵帅,张莉,等. 川东红星地区中上二叠统页岩气勘探成果及方向展望[J]. 岩性油气藏,2024,36(4):12-24. BAO Hanyong,ZHAO Shuai,ZHANG Li,et al. Exploration achievements and prospects for shale gas of Middle-Upper Permian in Hongxing area,eastern Sichuan Basin[J]. Lithologic Reservoirs,2024,36(4):12-24.
[7] 杨雨,汪华,谢继容,等.页岩气勘探新领域:四川盆地开江- 梁平海槽二叠系海相页岩气勘探突破及展望[J]. 天然气工业,2023,43(11):19-27. YANG Yu,WANG Hua,XIE Jirong,et al. Exploration breakthrough and prospect of Permian marine shale gas in the KaijiangLiangping Trough,Sichuan Basin[J]. Natural Gas Industry,2023, 43(11):19-27.
[8] 杨跃明,张少敏,金涛,等. 川南地区二叠系龙潭组页岩储层特征及勘探潜力[J]. 岩性油气藏,2023,35(1):1-11. YANG Yueming,ZHANG Shaomin,JIN Tao,et al. Characteristics and exploration potential of shale reservoirs of Permian Longtan Formation in southern Sichuan Basin[J]. Lithologic Reservoirs,2023,35(1):1-11.
[9] 魏国齐,陈更生,杨威,等. 四川盆地北部开江-梁平海槽边界及特征初探[J]. 石油与天然气地质,2006,27(1):99-105. WEI Guoqi,CHEN Gengsheng,YANG Wei,et al. Preliminary study of the boundary of Kaijiang-Liangping trough in northern Sichuan basin and its characteristics[J]. Oil & Gas Geology, 2006,27(1):99-105.
[10] 王一刚,文应初,洪海涛,等. 四川盆地及邻区上二叠统-下三叠统海槽的深水沉积特征[J]. 石油与天然气地质,2006, 27(5):702-714.WANG Yigang,WEN Yingchu,HONG Haitao,et al. Petroleum geological characteristics of deep water deposits in Upper PermianLower Triassic trough in Sichuan basin and adjacent areas[J]. Oil & Gas Geology,2006,27(5):702-714.
[11] 郭旭升,腾格尔,魏祥峰,等. 四川盆地深层海相页岩气赋存机理与勘探潜力[J]. 石油学报,2022,43(4):453-468. GUO Xusheng,TENG Geer,WEI Xiangfeng,et al. Occurrence mechanism and exploration potential of deep marine shale gas in Sichuan Basin[J]. Acta Petrolei Sinica,2022,43(4):453-468.
[12] 张坦,贾梦瑶,孙雅雄,等. 四川盆地南部中二叠统茅口组岩溶古地貌恢复及特征[J]. 岩性油气藏,2024,36(1):111-120. ZHANG Tan,JIA Mengyao,SUN Yaxiong,et al. Restoration and characteristics of karst paleogeomorphology of Middle Permian Maokou Formation in southern Sichuan Basin[J]. Lithologic Reservoirs,2024,36(1):111-120.
[13] 郭谨豪,胡国艺,何坤,等.川北地区二叠系大隆组烃源岩地球化学特征及沉积环境[J]. 岩性油气藏,2023,35(5):139- 152. GUO Jinhao,HU Guoyi,HE Kun,et al. Geochemical characteristics and sedimentary environment of source rocks of Permian Dalong Formation in northern Sichuan Basin[J]. Lithologic Reservoirs,2023,35(5):139-152.
[14] 张玺华,陈聪,张亚,等.川西北地区茅口组海槽相地质特征及其油气地质意义[J].天然气勘探与开发,2018,41(3):42-50. ZHANG Xihua,CHEN Cong,ZHANG Ya,et al. Geological characteristics of trough facies,Maokou Formation,northwestern Sichuan Basin:Implications for geology[J]. Natural Gas Exploration and Development,2018,41(3):42-50.
[15] TWITCHETT R J. The palaeoclimatology,palaeoecology and palaeoenvironmental analysis of mass extinction events[J]. Palaeogeography,Palaeoclimatology,Palaeoecology,2006,232:190-213.
[16] 董大忠,梁峰,管全中,等. 四川盆地五峰组-龙马溪组页岩气优质储层发育模式及识别评价技术[J]. 天然气工业,2022, 42(8):96-111. DONG Dazhong,LIANG Feng,GUAN Quanzhong,et al. Development model and identification evaluation technology of WufengLongmaxi Formation quality shale gas reservoirs in the Sichuan Basin[J]. Natural Gas Industry,2022,42(8):96-111.
[17] 邱晨,闫建平,钟光海,等. 四川盆地泸州地区奥陶系五峰组- 志留系龙马溪组页岩沉积微相划分及测井识别[J]. 岩性油气藏,2022,34(3):117-130. QIU Chen,YAN Jianping,ZHONG Guanghai,et al. Sedimentary microfacies division and logging identification of Ordovician Wufeng-Silurian Longmaxi shale in Luzhou area,Sichuan Basin[J]. Lithologic Reservoirs,2022,34(3):117-130.
[18] 李欣诚,侯宇光,陈振宏,等. 黔南坳陷二叠纪玄武质火山活动对含煤泥页岩储层的影响[J]. 石油实验地质,2021,43(4):620-627. LI Xincheng,HOU Yuguang,CHEN Zhenhong,et al. Influence of Permian basaltic volcanic activity on coal-bearing shale reservoirs,Southern Guizhou Depression[J]. Petroleum Geology & Experiment,2021,43(4):620-627.
[19] 葛小瞳,汪远征,陈代钊,等.川东北地区二叠纪晚期古海洋环境与有机质富集[J]. 沉积学报,2024,42(3):757-773. GE Xiaotong,WANG Yuanzheng,CHEN Daizhao,et al. Marine redox environment and organic accumulation in northeastern Sichuan Basin During the Late Permian[J]. Acta Sedimentologica Sinica,2024,42(3):757-773.
[20] 周刚,郑荣才,罗韧,等. 环开江-梁平海槽长兴组生物礁类型及储层特征[J]. 岩性油气藏,2013,25(1):81-87. ZHOU Gang,ZHENG Rongcai,LUO Ren,et al. Types and characteristics of reefs of Permian Changxing Formation around Kaijiang-Liangping trough,eastern Sichuan Basin[J]. Lithologic Reservoirs,2013,25(1):81-87.
[21] 肖威,张兵,姚永君,等. 川东二叠系龙潭组页岩岩相特征与沉积环境[J]. 岩性油气藏,2022,34(2):152-162. XIAO Wei,ZHANG Bing,YAO Yongjun,et al. Lithofacies and sedimentary environment of shale of Permian Longtan Formation in eastern Sichuan Basin[J]. Lithologic Reservoirs,2022, 34(2):152-162.
[22] 温思宇,张兵,姚永君,等. 川东地区二叠系吴家坪组页岩中黄铁矿形态及其对大洋缺氧事件的指示意义[J]. 岩性油气藏,2023,35(5):71-80. WEN Siyu,ZHANG Bing,YAO Yongjun,et al. Pyrite morphology in shale of Permian Wujiaping Formation in eastern Sichuan Basin and its indicative significance to oceanic anoxic events[J]. Lithologic Reservoirs,2023,35(5):71-80.
[23] 董清源,徐旭辉,李国发.重庆涪陵北部二叠系富有机质沉凝灰岩层系地质特征及甜点区优选[J].石油实验地质,2024,46(1):64-74. DONG Qingyuan,XU Xuhui,LI Guofa. Geological characteristics and sweet spot selection of Permian organic-rich Sedimentary tuff series in northern Fuling,Chongqing[J]. Petroleum Geology & Experiment,2024,46(1):64-74.
[24] COOPER C L,SWINDLES G T,SAVOV I P,et al. Evaluating the relationship between climate change and volcanism. Earth Science Reviews,2018,177:238-247.
[25] ROWE H D,LOUCKS R G,Ruppel S C,et al. Mississippian barnett formation,fort worth basin,texas:Bulk geochemical inferences and Mo-TOC constraints on the severity of hydrographic restriction[J]. Chemical Geology,2008,257(1/2):16-25.
[26] 杨雪,石学文,朱逸青,等.四川盆地南部泸州地区凯迪阶- 埃隆阶深水页岩沉积演化与有机质富集[J]. 石油学报,2022, 43(4):469-482. YANG Xue,SHI Xuewen,ZHU Yiqing,et al. Sedimentary evolution and organic matter enrichment of Katian-Aeronian deepwater shale in Luzhou area,southern Sichuan Basin[J]. Acta Petrolei Sinica,2022,43(4):469-482.
[27] 李红敬,林正良,解习农. 下扬子地区古生界硅岩地球化学特征及成因[J]. 岩性油气藏,2015,27(5):232-239. LI Hongjing,LIN Zhengliang,XIE Xinong. Geochemical characteristics and origin of Palaeozoic siliceous rocks in Lower Yangtze area[J]. Lithologic Reservoirs,2015,27(5):232-239.
[28] 聂海宽,张光荣,李沛,等. 页岩有机孔研究现状和展望[J]. 石油学报,2022,43(12):1770-1787. NIE Haikuan,ZHANG Guangrong,LI Pei,et al. Research status and prospect on organic matter pores in shale[J]. Acta Petrolei Sinica,2022,43(12):1770-1787.
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