Differential structural styles and their influence on in-situ stress distribution in Kelasu tectonic belt, Kuqa Depression, Tarim Basin
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摘要:
随着全球能源需求的持续增长，深层—超深层油气勘探开发已成为油气工业的热点领域。中国塔里木盆地库车坳陷深层—超深油气资源丰富，但受强构造挤压作用影响，区内构造样式复杂、地应力分布差异显著，给油气勘探开发带来巨大挑战。为明确克拉苏构造带构造变形规律及其主控因素，揭示构造—应力耦合关系对油气富集的控制作用，优化深层—超深层油气勘探策略和提高开发效率，以塔里木盆地库车坳陷克拉苏构造带为研究对象，通过构造剖面分析和数值模拟，探讨其不同区段构造样式特点、影响因素及地应力响应特征。研究结果显示，克拉苏构造带不同区段构造样式和地应力分布存在显著差异。西部阿瓦特段因强烈挤压形成“双层楼”式逆冲推覆构造，表现出高角度断层两端应力值高的强挤压特点；东部克深段则以冲起构造和叠瓦构造为主，呈现出断层顶部和冲起构造底部应力集中的强滑动应力模式；博孜—大北段盐上构造以宽缓向斜为特征，盐焊接构造发育，盐下冲起构造广泛分布，具有局部应力集中现象。基于动力学数值模拟，对断层摩擦系数、挤压缩短量和断层倾角等影响因素进行了定量分析，认为挤压缩短量和断层倾角是造成构造样式和现今地应力分布差异的主控因素。
Abstract:With the continuous growth of global energy demand, deep and ultra-deep oil and gas exploration and development have become key areas in the oil and gas industry. The Kuqa Depression in the Tarim Basin, China, is rich in deep and ultra-deep oil and gas resources, but it is affected by intense tectonic compression, leading to complex structural styles and significant variations in in-situ stress distribution, posing major challenges to oil and gas exploration and development. This study aims to clarify the structural deformation patterns and their main controlling factors in the Kelasu tectonic belt, reveal how structure and stress coupling influences hydrocarbon accumulation, optimize strategies for deep and ultra-deep exploration, and improve development efficiency. Taking the Kelasu tectonic belt in the Kuqa Depression, Tarim Basin as the research object, this study explored the characteristics of structural styles, influencing factors, and in-situ stress response characteristics in different segments through structural profile analysis and numerical simulation. The results showed that there were significant differences in structural styles and in-situ stress distribution among different segments of the Kelasu tectonic belt. The western Awate segment developed a "double-layer" thrust-nappe structure under intense compression, exhibiting strong compressional characteristics with high stress values at both ends of the high-angle faults. The eastern Keshen segment was dominated by pop-up and imbricate thrust structures, exhibiting a stress concentration pattern indicative of significant fault slip, with stress concentrated at the tops of faults and the bases of pop-up structures. The Bozi-Dabei segment was characterized by broad and gentle synclines in suprasalt structures, with well-developed salt welds and widely distributed subsalt pop-up structures, accompanied by localized stress concentration. Based on dynamic numerical simulations, a quantitative analysis was conducted on influencing factors, including fault friction coefficient, shortening amount, and fault dip angle. It is concluded that shortening amount and fault dip angle are the main controlling factors causing differences in structural styles and current in-situ stress distribution.
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Key words:
- structural style /
- in-situ stress /
- Kelasu tectonic belt /
- Kuqa Depression /
- Tarim Basin
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[1] 贾爱林,闫海军,唐海发,等.中国深层、超深层气藏开发关键技术与对策建议[J].天然气工业,2024,44(1):119-127.JIA Ailin,YAN Haijun,TANG Haifa,et al.Key technologies and countermeasures for deep and ultra-deep gas reservoir development in China[J].Natural Gas Industry,2024,44(1):119-127. [2] 关晓东,郭磊.深层—超深层油气成藏研究新进展及展望[J].石油实验地质,2023,45(2):203-209.GUAN Xiaodong,GUO Lei.New progress and prospect of oil and gas accumulation research in deep to ultra-deep strata[J].Petroleum Geology & Experiment,2023,45(2):203-209. [3] 胡文革,马龙杰,汪彦,等.关于塔里木盆地深层油气藏高效开发的实践与思考[J].油气藏评价与开发,2024,14(4):519-528.HU Wenge,MA Longjie,WANG Yan,et al.Application and reflections on efficient development of deep oil and gas reservoirs in Tarim Basin[J].Petroleum Reservoir Evaluation and Development,2024,14(4):519-528. [4] 王璐,罗瑞兰,张林,等.超深层碳酸盐岩气藏产能预测模型及影响因素研究[J].油气地质与采收率,2024,31(3):88-98.WANG Lu,LUO Ruilan,ZHANG Lin,et al.Investigation of productivity prediction model and influencing factors of ultradeep carbonate gas reservoir[J].Petroleum Geology and Recovery Efficiency,2024,31(3):88-98. [5] 祝效华,李瑞,刘伟吉,等.深层页岩气水平井高效破岩提速技术发展现状[J].西南石油大学学报(自然科学版),2023,45(4):1-18. ZHU Xiaohua,LI Rui, LIU Weiji,et al.Development status of high-efficiency rock-breaking and speed-increasing technologies for deep shale gas horizontal wells[J].Journal of Southwest Petroleum University (Science & Technology Edition),2023,45(4):1-18. [6] 刘显,席斌斌,曹婷婷,等.超深层油气相态转化过程及其控制因素:来自原油可视化热模拟实验的启示[J].现代地质,2024,38(5):1370-1382.LIU Xian,XI Binbin,CAO Tingting,et al.Phase transformation mechanismsand controlling factors of the ultra deep oil and gas:insights from visual thermal simulation of crude oil[J]. Geoscience,2024,38(5):1370-1382. [7] 徐小童,曾联波,董少群,等.塔里木盆地库车坳陷克深气藏超深层致密砂岩储层天然裂缝发育特征及对水侵的影响[J].石油实验地质,2024,46(4):812-822.XU Xiaotong,ZENG Lianbo,DONG Shaoqun,et al.Fracture development characteristics and their influence on water invasion of ultra-deep tight sandstone reservoirs in Keshen gas reservoir of Kuqa Depression,Tarim Basin[J].Petroleum Geology & Experiment,2024,46(4):812-822. [8] 吕志凯,张建业,张永宾,等.超深层裂缝性致密砂岩气藏储层连通性及开发启示:以塔里木盆地库车坳陷克深2气藏为例[J].断块油气田,2023,30(1):31-37,95. LYU Zhikai,ZHANG Jianye,ZHANG Yongbin,et al.Reservoir connectivity of ultra-deep fractured tight sandstone gas reservoir and development enlightenment:taking Keshen 2 gas reservoir in Kuqa Depression of Tarim Basin as an example[J].Fault-Block Oil & Gas Field,2023,30(1):31-37,95. [9] WANG Junpeng,WANG Hongyan,ZHANG Ronghu,et al. Improvement of reservoir quality of ultra-deep tight sandstones by tectonism and fluid: a case study of Keshen gas field in Tarim Basin, western China][J].Petroleum,2023,9(1):124-134. [10] 陶夏妍,黄天俊,张艺华,等.四川盆地东北部三叠系飞仙关组迁移型鲕滩层序地层分析及相控储层预测[J].特种油气藏,2023,30(6):62-71.TAO Xiayan,HUANG Tianjun,ZHANG yihua,et al.Sequence stratigraphical analysis and facies-controlled reservoir prediction of migratory oolitic beach in Triassic Feixianguan Formation,northeastern Sichuan Basin[J].Special Oil & Gas Reservoirs,2023,30(6):62-71. [11] XIE Lin, YANG Xuefei, ZHANG Yanhong,et al.Sedimentary characteristics and lithofacies paleogeography of the Cambrian in Sichuan basin, Southwest China[J].petroleum,2024,10(2):224-242. [12] 闫海军,杨长城,郭建林,等.四川盆地中部地区震旦系大型碳酸盐岩气藏开发技术新进展[J].天然气工业,2024,44(5):68-79.YAN Haijun,YANG Changcheng,GUO Jianlin,et al.New technological progress in the development of Sinian large carbonate gas reservoirs in central Sichuan Basin[J].Natural Gas Industry,2024,44(5):68-79. [13] 代瑞雪,郗诚,冉崎,等.复杂岩性背景下储层地震反射特征研究[J].西南石油大学学报(自然科学版),2023,45(2):21-31. DAI Rui xue,XI Cheng, RAN Qi,et al.A study on seismic reflection characteristics of reservoir under complex lithology background[J].Journal of Southwest Petroleum University (Science & Technology Edition),2023,45(2):21-31. [14] 王捷,王千军,郑胜,等.准噶尔盆地沙湾凹陷三叠系超深层碎屑岩储层特征及主控因素:以征10 井区克拉玛依组为例[J].油气地质与采收率,2024,31(4):164-173.WANG Jie,WANG Qianjun,ZHENG Sheng,et al.Characteristics and main controlling factors of Triassic ultra-deep clastic rock reservoirs in Shawan Sag,Junggar Basin:a case study of Karamay Formation in Well Zheng10 area[J].Petroleum Geology and Recovery Efficiency,2024,31(4):164-173. [15] 王秋玉,闫文琦,李辉,等.准噶尔盆地阜康凹陷二叠系深层岩性油藏成藏条件及模式[J].断块油气田,2024,31(5):753-761.WANG Qiuyu,YAN Wenqi,LI Hui,et al.Accumulation conditions and model of Permian deep lithologic oil reservoirs in Fukang Sag,Junggar Basin[J].Fault-Block Oil & Gas Field,2024,31(5):753-761. [16] 邓毅,高崇龙,王剑,等.准噶尔盆地南缘西段齐古组深层储层特征及物性控制因素[J].现代地质,2024,38(2):335-349.DENG Yi, GAO Chonglong, WANG Jian,et al.Deep reservoir characteristics and control of physical properties of Qigu Formation in the western section of the southern margin of Junggar Basin[J]. Geoscience,2024,38(2):335-349. [17] 徐春春,邹伟宏,杨跃明,等.中国陆上深层油气资源勘探开发现状及展望[J].天然气地球科学,2017,28(8):1139-1153.XU Chunchun,ZOU Weihong,YANG Yueming,et al.Status and prospects of exploration and exploitation of the deep oil & gas resources onshore China[J].Natural Gas Geoscience,2017,28(8):1139-1153. [18] 谭宾,张斌,陶怀志.深地勘探钻井技术现状及发展思考[J].钻采工艺,2024,47(2):70-82.TAN Bin,ZHANG Bin,TAO Huaizhi.Current situation and development of deep exploration key drilling technology[J].Drilling & Production Technology,2024,47(2):70-82. [19] 王珂,张荣虎,唐永,等.库车坳陷北部构造带侏罗系阿合组构造成岩作用与储层预测[J].石油学报,2022,43(7):925-940.WANG Ke,ZHANG Ronghu,TANG Yong,et al.Structural diagenesis and reservoir prediction of Lower Jurassic Ahe Formation in the northern structural belt of Kuqa Depression[J].Acta Petrolei Sinica,2022,43(7):925-940. [20] 王健,李振坤,操应长,等.库车坳陷克拉苏构造带巴什基奇克组储层中石英胶结物成因机制[J].中国石油大学学报(自然科学版),2025,49(1):14-21. WANG Jian,LI Zhenkun,CAO Yingchang,et al.Genetic mechanism of quartz cements in Bashijiqike Formation reservoirs of Kelasu Structural Belt,Kuqa Depression[J].Journal of China University of Petroleum(Edition of Natural Science),2025,49(1):14-21. [21] 莫涛,郭虹兵,刘恣君,等.软弱膏盐层系滑脱构造变形特征:以库车前陆盆地砂箱物理模拟为例[J].大地构造与成矿学,2025,49(3):507-519.MO Tao,GUO Hongbing,LIU Zijun,et al.Deformation characteristics of detachment in gypsum salt series:a case study of the Kuqa foreland based on sandbox modeling[J].Geotectonica et Metallogenia,2025,49(3):507-519. [22] 庞菲菲,唐永,宋换新,等.库车前陆盆地东部侏罗系逆冲构造变形及应力演化分析[J].地质科技通报,2021,40(5):123-135.PANG Feifei,TANG Yong,SONG Huanxin,et al.Analysis of deformation and stress evolution of thrust structure:a case of Jurassic in east Kuqa Subbasin[J].Bulletin of Geological Science and Technology,2021,40(5):123-135. [23] 刘立炜,周慧,张承泽,等.库车坳陷克拉苏构造带协同变形机制及盆山耦合关系[J].地质科学,2022,57(1):61-72.LIU Liwei,ZHOU Hui,ZHANG Chengze,et al.Synergistic deformation mechanisms and basin-mountain coupling of Kelasu structural belt in Kuqa Depression[J].Chinese Journal of Geology,2022,57(1):61-72. [24] 张家维,李瑞雪,邓虎成,等.超深层逆冲推覆构造致密砂岩储层地应力场扰动特征：以塔里木盆地博孜—大北地区白垩系储层为例[J].石油实验地质,2024,46(4):760-774.ZHANG Jiawei,LI Ruixue,DENG Hucheng,et al.Disturbance characteristics of in-situ stress field within ultra-deep tight sandstone reservoirs in thrust-nappe structures:a case study from Cretaceous reservoirs in Bozi-Dabei area,Tarim Basin[J].Petroleum Geology & Experiment,2024,46(4):760-774. [25] 屈会志,尹宏伟,李晨,等.盐构造变形特征与变形机制:基于地震解析与构造模拟的研究探讨及对复杂构造区岩盐迁移与成矿的启示[J].地质学报,2024,98(10):2916-2930.QU Huizhi,YIN Hongwei,LI Chen,et al.Deformation characteristics and mechanism of salt structure:research and discussion based on seismic analysis and tectonic simulation and implications for rock salt migration and mineralization in complex tectonic regions[J].Acta Geologica Sinica,2024,98(10):2916-2930. [26] 李想,丁雅洁,李俊飞,等.前陆盆地系统中隆后盆地沉积特征：以准噶尔盆地腹部侏罗系三工河组为例[J].石油实验地质,2024,46(6):1253-1264.LI Xiang,DING Yajie,LI Junfei,et al.Sedimentary characteristics of post-uplift basins in foreland basin system:a case study of Jurassic Sangonghe Formation in hinterland of Junggar Basin[J].Petroleum Geology & Experiment,2024,46(6):1253-1264. [27] 程小岛,李江海,程海艳,等.库车坳陷西部地表典型盐构造样式及变形特征[J].新疆石油地质,2013,34(2):189-192.CHENG Xiaodao,LI Jianghai,CHENG Haiyan,et al.Typical surface salt structure and deformation characteristics in western Kuqa Depression,Tarim Basin[J].Xinjiang Petroleum Geology,2013,34(2):189-192. [28] 洛怡,李江海,杨梦莲.南大西洋西非岸盆地群构造、沉积演化对比[J].中国地质,2021,48(1):120-128.LUO Yi,LI Jianghai,YANG Menglian.A comparative study of tectonic and sedimentary evolution of West African coastal basins in the south Atlantic Ocean region[J].Geology in China,2021,48(1):120-128. [29] 李睿琦,吕文雅,王浩南,等.塔里木盆地库车坳陷克拉苏构造带克深地区典型断背斜天然裂缝分布特征[J].天然气地球科学,2023,34(2):271-284.LI Ruiqi,LYU Wenya,WANG Haonan,et al.Distribution characteristics of natural fractures of the typical fault anticlines in Keshen area of Kelasu Structural Belt,Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2023,34(2):271-284. [30] XU Ke,ZHANG Hui,WANG Haiying,et al.3D geomechanical modeling and prediction of fractures in the Bozi ultra-deep gas field in the Kuqa Depression of Tarim Basin[J].Frontiers in Earth Science,2022,10:863033. [31] WANG Song,WANG Guiwen,LI Dong,et al.Comparison between double caliper,imaging logs,and array sonic log for determining the in-situ stress direction:a case study from the ultra-deep fractured tight sandstone reservoirs,the Cretaceous Bashijiqike Formation in Keshen 8 region of Kuqa Depression,Tarim Basin,China[J].Petroleum Science,2022,19(6):2601-2617. [32] 王志民,孙海涛,张辉,等.沉积微相对超深储层岩石力学性质的影响及其应用：以塔里木盆地库车坳陷BZ气田白垩系为例[J].石油实验地质,2024,46(4):664-673.WANG Zhimin,SUN Haitao,ZHANG Hui,et al.Influence of sedimentary microfacies on the rock mechanics of ultra-deep reservoirs and its application:a case study of the Cretaceous formation in the BZ gas field of Kuqa Depression,Tarim Basin[J].Petroleum Geology & Experiment.2024,46(4):664-673. [33] 鞠玮,张辉,徐珂,等.地质力学层定量划分方法及其超深层油气勘探开发应用[J].石油实验地质,2024,46(4):880-888.JU Wei,ZHANG Hui,XU Ke,et al.Quantitative division method of geomechanical strata and its applications in exploration and development of oil and gas in ultra-deep layers[J].Petroleum Geology & Experiment,2024,46(4):880-888. [34] 能源,漆家福,谢会文,等.塔里木盆地库车坳陷北部边缘构造特征[J].地质通报,2012,31(9):1510-1519.NENG Yuan,QI Jiafu,XIE Huiwen,et al.Structural characteristics of northern margin of Kuqa Depression,Tarim Basin[J].Geological Bulletin of China,2012,31(9):1510-1519. [35] YANG Keji,XU Liangwei,QI Jiafu,et al.Structural deformation of the northern monocline belt in the Kuqa Depression and implications for the Cenozoic uplift history of the south Tianshan mountains[J].Tectonophysics,2023,857:229840. [36] JU Wei,ZHONG Yu,LIANG Yan,et al.Factors influencing fault-propagation folding in the Kuqa Depression:insights from geomechanical models[J].Journal of Structural Geology,2023,168:104826. [37] 杨克基,漆家福,刘傲然,等.库车坳陷中段基底断裂特征及其对盐构造变形的影响[J].地质科学,2022,57(4):991-1008.YANG Keji,QI Jiafu,LIU Aoran,et al.Characteristics of basement faults in the middle section of Kuqa Depression and their influence on salt tectonic deformation[J].Chinese Journal of Geology,2022,57(4):991-1008. [38] 张希晨.库车坳陷克深构造带含夹层盐构造变形及其控制因素[D].北京:中国石油大学(北京),2018. ZHANG Xichen.Interbeded salt-related structural deformation and its controlling factors in the Keshen structural belt of the Kuqa Depression[D].Beijing:China University of Petroleum (Beijing),2018. [39] 徐振平,谢会文,李勇,等.库车坳陷克拉苏构造带盐下差异构造变形特征及控制因素[J].天然气地球科学,2012,23(6):1034-1038.XU Zhenping,XIE Huiwen,LI Yong,et al.Characteristics and controlling factors of the subsalt differential structure in the Kelasu structural belt,Kuqa Depression[J].Natural Gas Geoscience,2012,23(6):1034-1038. [40] 王招明.塔里木盆地库车坳陷克拉苏盐下深层大气田形成机制与富集规律[J].天然气地球科学,2014,25(2):153-166.WANG Zhaoming.Formation mechanism and enrichment regularities of Kelasu subsalt deep large gas field in Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2014,25(2):153-166. [41] 刘恣君,范坤宇,涂国煜,等.塔里木盆地库车坳陷克拉苏构造带西部盐相关构造变形[J].天然气地球科学,2024,35(6):988-999.LIU Zijun,FAN Kunyu,TU Guoyu,et al.Deformation characteristics of salt tectonics in the western part of the Kelasu structural belt in the Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2024,35(6):988-999. [42] 鞠玮,侯贵廷,黄少英,等.库车坳陷依南—吐孜地区下侏罗统阿合组砂岩构造裂缝分布预测[J].大地构造与成矿学,2013,37(4):592-602.JU Wei,HOU Guiting,HUANG Shaoying,et al.Structural fracture distribution and prediction of the Lower Jurassic Ahe Formation sandstone in the Yinan-Tuzi area,Kuqa Depression[J].Geotectonica et Metallogenia,2013,37(4):592-602. [43] 初广震,石石,邵龙义,等.库车坳陷克深2气藏与克拉2气田白垩系巴什基奇克组储层地质特征对比研究[J].现代地质,2014,28(3):604-610.CHU Guangzhen,SHI Shi,SHAO Longyi,et al.Contrastive study on geological characteristics of Cretaceous Bashijiqike Formation in Keshen 2 and Kela 2 gas fields in Kuqa Depression[J].Geoscience,2014,28(3):604-610. [44] 曹连宇.库车坳陷大北—克拉苏构造带油气成藏机制[D].北京:中国地质大学(北京),2010. CAO Lianyu.The hydrocarbon accumulation mechanism of Dabei-Kelasu structural zone in Kuqa Depression[D]. Beijing:China University of Geosciences (Beijing),2010. [45] 唐鹏程,汪新,谢会文,等.库车坳陷却勒地区新生代盐构造特征、演化及变形控制因素[J].地质学报,2010,84(12):1735-1745.TANG Pengcheng,WANG Xin,XIE Huiwen,et al.The Quele area of the Kuqa Depression,Tarim Basin,NW China:Cenozoic salt structures,evolution and controlling factors[J].Acta Geologica Sinica,2010,84(12):1735-1745. [46] 易士威,郭绪杰,朱明,等.层间逆冲叠瓦构造—前陆冲断带大气区控藏模式[J].西安石油大学学报(自然科学版),2023,38(5):1-11. YI Shiwei,GUO Xujie,ZHU Ming,et al.Interlayer thrust-imbricate structure:large gas accumulation modes of foreland thrust belt[J].Journal of Xi’an Shiyou University (Natural Science Edition),2023,38(5):1-11. [47] WANG Wei,YIN Hongwei,JIA Dong,et al.A sub-salt structural model of the Kelasu structure in the Kuqa Foreland Basin,Northwest China[J].Marine and Petroleum Geology,2017,88:115-126. [48] 蔡振忠,王健,莫涛,等.库车坳陷克拉苏构造带博孜段巴什基奇克组超深储层特征及成岩演化[J].非常规油气,2024,11(6):8-16.CAI Zhenzhong,WANG Jian,MO Tao,et al.Characteristics and diagenesis evolution of ultra-deep Bashijiqike Formation reservoir in Bozi Section of Kelasu Structure Belt,Kuqa Depression[J].Unconventional Oil & Gas,2024,11(6):8-16. [49] 徐珂,田军,杨海军,等.塔里木盆地库车坳陷超深层现今地应力对储层品质的影响及实践应用[J].天然气地球科学,2022,33(1):13-23.XU Ke,TIAN Jun,YANG Haijun,et al.Effects and practical applications of present-day in-situ stress on reservoir quality in ultra-deep layers of Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2022,33(1):13-23. [50] 谢会文,陈龙,吴超,等.库车坳陷西部阿瓦特—博孜地区构造变形差异及数值模拟分析[J].地质科学,2024,59(4):1082-1097.XIE Huiwen,CHEN Long,WU Chao,et al.Structural deformation differences and numerical simulation analysis of Awate-Bozi area in the western Kuqa Depression[J].Chinese Journal of Geology,2024,59(4):1082-1097. [51] SMART K J,OFOEGBU G,DAS K,et al.Geomechanical modeling of hydraulic fracture initiation and propagation in a mechanically stratified geologic system[J].Tectonophysics,2012,577-557:12-275. [52] 张博,陈红果,胡瑞,等.含油气盆地构造应力场研究方法综述及展望[J].矿产与地质,2023,37(4):885-889.ZHANG Bo,CHEN Hongguo,HU Rui,et al.Review and prospect prediction of research methods for tectonic stress field in oil-gas-bearing basin[J].Mineral Resources and Geology,2023,37(4):885-889. -
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