Lithologic Reservoirs ›› 2025, Vol. 37 ›› Issue (1): 161-169.doi: 10.12108/yxyqc.20250114

• PETROLEUM EXPLORATION • Previous Articles     Next Articles

Characteristics and reservoir control effects of the fault system in Kongqueting area of Xihu Sag，East China Sea Basin

XUE Yuheng1, LI Kun1, SHANG Yamin2, CHEN Qiutong1, SHENG Liehao1, LIU Jianbin3   

  1. 1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology Chengdu Sichuan 610059, China;
    2. No. 2 Oil Production Plant, PetroChina Xinjiang Oilfield Company, Karamay 834000, Xinjiang, China;
    3. Shanghai Branch of China National offshore Oil Corporation., Shanghai 200120, China
  • Received:2024-05-01 Revised:2024-07-23 Online:2025-01-01 Published:2025-01-04

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Abstract: Based on the fine interpretation of 3D seismic data，the characteristics of the fault system in Kongqueting area of Xihu Sag in the East China Sea Basin were analyzed using methods such as structural profile reconstruction and fluid inclusion analysis. The evolution characteristics and reservoir control effects were studied. The results show that：（1）The fault system in Kongqueting District of Xihu Sag has obvious differences in east and west zoning，and showing different zoning. On the plane，there are three sets of main extensional faults developed in the east，mainly in the NNE direction，followed by the NE direction and near NS direction，and two sets of main extensional faults developed in the west，mainly in the NE direction，followed by the NNE direction； On the profile，the eastern part is dominated by a domino shaped oblique structure style，while the western part is dominated by syndromic fault terraces；From west to east，it can be divided into 5 fault zones，with 2 reverse fault zones developed in the east and 3 syndromic fault zones developed in the west.（2）The fault system in the research area has gone through four evolutionary stages：fault depression period，fault depression conversion period，depression inversion period，and regional subsidence period. The fault activity shows differential evolution characteristics of“early strong and late weak in the east，early weak and late strong in the west”.（3）The research area has developed reverse fault groove-local self enclosed oil and gas reservoir in the east，as well as forward fault terraces and lithological pinch out oil and gas reservoirs in the west. The reservoirs in the east are dual source hydrocarbon supply，which are favorable for oil and gas accumulation zone. Especially，the F2 and F3 faults have strong activity，large fault displacement，large controlled trap area and height. They are rich in oil in the Pinghu Formation and rich in gas in the lower section of the Huagang Formation，making them favorable exploration areas.

Key words: extensional fracture, fracture activity, dual source hydrocarbon supply, fracture controlled storage, reverse fault groove-local self enclosed oil and gas reservoir, forward fault terraces and lithological pinch out oil and gas reservoir, Xihu Sag, East China Sea Basin

CLC Number: 

  • TE122
[1] 周荔青,江东辉,张尚虎,等. 东海西湖凹陷大中型油气田形成条件及勘探方向[J]. 石油实验地质,2020,42(5):803-812. ZHOU Liqing,JIANG Donghui,ZHANG Shanghu,et al. Formation conditions and exploration direction of large and medium oil and gas reservoirs of Xihu Sag,East China Sea Basin[J]. Petroleum Geology & Experiment,2020,42(5):803-812.
[2] 黄苓渝,张昌民,刘江艳,等. 东海西湖凹陷古近系砂岩侵入体及其地质意义[J]. 岩性油气藏,2015,27(5):74-80. HUANG Lingyu,ZHANG Changmin,LIU Jiangyan,et al. Sand injectites of Paleogene and its geological significance in Xihu Sag,East China Sea Basin[J]. Lithologic Reservoirs,2015, 27(5):74-80.
[3] 廖恒杰,杨志兴,李元生,等. 西湖凹陷气藏出水规律及控制因素[J]. 岩性油气藏,2017,29(6):135-141. LIAO Hengjie,YANG Zhixing,LI Yuansheng,et al. Water production laws and controlling factors of gas reservoir of Xihu Sag[J]. Lithologic Reservoirs,2017,29(6):135-141.
[4] 宋小勇,储呈林,芮志峰. 东海盆地西湖凹陷构造样式及其演化[J]. 高校地质学报,2010,16(1):86-93. SONG Xiaoyong,CHU Chenglin,RUI Zhifeng. Structural framework and evolution of Xihu Sag in East China Sea Basin[J]. Geological Journal of China Universities,2010,16(1):86-93.
[5] 唐贤君,蒋一鸣,何新建,等. 东海盆地西湖凹陷西斜坡背斜-似花状构造特征及成因机制[J]. 上海国土资源,2019,40(2):65-69. TANG Xianjun,JIANG Yiming,HE Xinjian,et al. Characteristics and genesis of an anticline-floweriness structure in the west slope of Xihu Sag in East China Sea Basin[J]. Shanghai Land & Resources,2019,40(2):65-69.
[6] 杨彩虹,曾广东,李上卿,等. 东海西湖凹陷平北地区断裂发育特征与油气聚集[J]. 石油实验地质,2014,36(1):64-69. YANG Caihong,ZENG Guangdong,LI Shangqing,et al. Fault development characteristics and hydrocarbon accumulation in Pingbei area of Xihu Sag,East China Sea[J]. Petroleum Geology & Experiment,2014,36(1):64-69.
[7] 江东辉,蒲仁海,苏思羽,等. 断陷盆地斜坡带大型油气田成藏条件:西湖凹陷平北缓坡断裂与岩性控藏有利区[J]. 天然气工业,2021,41(11):33-42. JIANG Donghui,PU Renhai,SU Siyu,et al. Conditions for the formation of large oil and gas reservoirs in the slope belts of rift basins:Fault-and lithology-controlled accumulation zones in the Pingbei slope of Xihu Sag[J]. Natural Gas Industry,2021, 41(11):33-42.
[8] 李宣玥,赵洪,常吟善. 西湖凹陷中南部H构造断裂发育特征及控藏作用[J].上海国土资源,2024,45(1):1147-1151. LI Xuanyue,ZHAO Hong,CHANG Yinshan. Development characteristics and reservoir control of H structural faults in the central and southern parts of Xihu Depression[J]. Shanghai Land & Resources,2024,45(1):1147-1151.
[9] 周心怀,高顺莉,高伟中,等. 东海陆架盆地西湖凹陷平北斜坡带海陆过渡型岩性油气藏形成与分布预测[J]. 中国石油勘探,2019,24(2):153-164. ZHOU Xinhuai,GAO Shunli,GAO Weizhong,et al. Formation and distribution of marine-continental transitional lithologic reservoirs in Pingbei slope belt,Xihu Sag,East China Sea Shelf Basin[J]. China Petroleum Exploration,2019,24(2):153-164.
[10] 陈哲,张昌民,侯国伟,等. 东海陆架盆地西湖凹陷平湖组断层组合样式及其控砂机制[J]. 石油与天然气地质,2020,41(4):824-837. CHEN Zhe,ZHANG Changmin,HOU Guowei,et al. Fault distribution patterns and their control on sand bodies in Pinghu Formation of Xihu Sag in East China Sea Shelf Basin[J]. Oil & Gas Geology,2020,41(4):824-837.
[11] 缪欢,王延斌,何川,等. 渤海湾盆地埕北断阶带断裂发育特征及其控藏作用[J]. 岩性油气藏,2022,34(2):105-115. MIAO Huan,WANG Yanbin,HE Chuan,et al. Fault development characteristics and reservoir control in Chengbei fault step zone,Bohai Bay Basin[J]. Lithologic Reservoirs,2022,34(2):105-115.
[12] 胡贺伟,李慧勇,许鹏,等. 断裂密集带油气差异富集主控因素探讨:以歧口凹陷歧南断阶带为例[J]. 岩性油气藏,2020, 32(5):34-45. HU Hewei,LI Huiyong,XU Peng,et al. Main controlling factors of differential enrichment of oil and gas in fault concentrated zones:A case study from Qinan step-fault zone in Qikou Sag[J]. Lithologic Reservoirs,2020,32(5):34-45.
[13] 单超,叶加仁,曹强,等. 西湖凹陷孔雀亭气田成藏主控因素[J]. 海洋地质与第四纪地质,2015,35(1):135-144. SHAN Chao,YE Jiaren,CAO Qiang,et al. Controlling factors for gas accumulation in Kongqueting gas field of Xihu Sag[J]. Marine Geology & Quaternary Geology,2015,35(1):135-144.
[14] 张宙,何新建,唐贤君,等. 东海盆地西湖凹陷构造圈闭特征及其油气藏类型[J]. 海洋地质前沿,2022,38(3):27-35. ZHANG Zhou,HE Xinjian,TANG Xianjun,et al. Structural trap characteristics and reservoir types in Xihu Sag,East China Sea Basin[J]. Marine Geology Frontiers,2022,38(3):27-35.
[15] 蔡华,张建培,唐贤君. 西湖凹陷断裂系统特征及其控藏机制[J]. 天然气工业,2014,34(10):18-26. CAI Hua,ZHANG Jianpei,TANG Xianjun. Characteristics of the fault systems and their control on hydrocarbon accumulation in the Xihu Sag,East China Sea Shelf Basin[J]. Natural Gas Industry,2014,34(10):18-26.
[16] 刘亚茹,高顺莉,周平,等. 西湖凹陷转换断裂发育特征及其油气地质意义[J]. 海洋地质前沿,2020,36(10):42-49. LIU Yaru,GAO Shunli,ZHOU Ping,et al. Characteristics of transform faults in the Xihu Sag and their significance to hydrocarbon accumulation[J]. Marine Geology Frontiers,2020,36(10):42-49.
[17] 李志远,黄志龙,马崇林,等. 西湖凹陷西次凹平湖组储层质量控制因素与孔隙演化[J]. 中国海上油气,2023,35(5):47-60. LI Zhiyuan,HUANG Zhilong,MA Chonglin,et al. Reservoir quality control factors and pore evolution of Pinghu Formation in the western sub-sag of Xihu Sag[J]. China Offshore Oil and Gas,2023,35(5):47-60.
[18] 张建培. 东海西湖凹陷平湖斜坡带断裂系统特征及成因机制探讨[J]. 地质科学,2013,48(1):291-303. ZHANG Jianpei. Fault system and its genetic mechanism in the Pinghu slope of the Xihu Sag in the East China Sea shelf Basin[J]. Chinese Journal of Geology,2013,48(1):291-303.
[19] 付广,郎岳,胡欣蕾. 反向和顺向断裂侧向封闭油气的差异性研究[J]. 岩性油气藏,2014,26(6):28-33. FU Guang,LANG Yue,HU Xinlei. Research on differences of lateral sealing between transoid fault and cisoid fault[J]. Lithologic Reservoirs,2014,26(6):28-33.
[20] 王文义,程宏岗,徐淑娟,等. 东海盆地西湖凹陷中西部花港组物源方向判别与源区性质分析[J]. 中国海上油气,2023, 35(2):33-43. WANG Wenyi,CHENG Honggang,XU Shujuan,et al. Provenance indication and source characteristics of Huagang Formation in the central and western Xihu sag of the East China Sea Basin[J]. China Offshore Oil and Gas,2023,35(2):33-43.
[21] 董柔,李坤,殷际航,等. 渤东凹陷新生代伸展-走滑叠合断裂时空差异演化模式及控藏效应[J]. 岩性油气藏,2024,36(3):106-116. DONG Rou,LI Kun,YIN Jihang,et al. Spatial-temporal differential evolution model and reservoir control effect of Cenozoic extensional and strike-slip superimposed faults of Bodong Sag[J]. Lithologic Reservoirs,2024,36(3):106-116.
[22] 赵静,黄志龙,刘春锋,等. 西湖凹陷平北地区煤系烃源岩识别与分布[J]. 岩性油气藏,2021,33(5):95-106. ZHAO Jing,HUANG Zhilong,LIU Chunfeng,et al. Identification and distribution characteristics of coal-bearing source rocks in Pingbei area,Xihu Sag[J]. Lithologic Reservoirs,2021,33(5):95-106.
[23] 李盛谦,曾溅辉,刘亚洲,等. 东海盆地西湖凹陷孔雀亭地区古近系平湖组储层成岩作用及孔隙演化[J]. 岩性油气藏, 2023,35(5):49-61. LI Shengqian,ZENG Jianhui,LIU Yazhou,et al. Reservoir diagenesis and pore evolution of Paleogene Pinghu Formation in Kongqueting area of Xihu Sag,East China Sea Basin[J]. Lithologic Reservoirs,2023,35(5):49-61.
[24] 沙子萱,于丹,付广. 下生上储式与上生下储式油源断裂油气输导差异[J]. 特种油气藏,2022,29(2):9-15. SHA Zixuan,YU Dan,FU Guang. Difference in oil and gas transport between lower-source and upper-reservoir and uppersource and lower-reservoir oil source faults[J]. Special Oil & Gas Reservoirs,2022,29(2):9-15.
[25] 肖雷. 断裂输导形成上覆油气藏有利部位预测方法及其应用[J]. 特种油气藏,2023,30(1):22-28. XIAO Lei. Method for predicting the favorable site of overlying oil and gas reservoir formed by fault conduit and its application[J]. Special Oil & Gas Reservoirs,2023,30(1):22-28.
[26] 余兴,尤新才,白雨,等. 玛湖凹陷南斜坡断裂识别及其对油气成藏的控制作用[J]. 岩性油气藏,2021,33(1):81-89. YU Xing,YOU Xincai,BAI Yu,et al. Identification of faults in the south slope of Mahu Sag and its control on hydrocarbon accumulation[J]. Lithologic Reservoirs,2021,33(1):81-89.
[27] WANG Wenguang,LIN Chengyan,ZHANG Xianguo. Discussion of seismic diagenetic facies of deep reservoir in the East China Sea Basin[J]. Journal of Petroleum Science and Engineering,2022,208:2-13.
[28] NOVOA E,SUPPE J,SHAW J H. Inclined-shear restoration of growth folds[J]. American Association of Petroleum Geologists Bulletin,2000,84(6):787-804.
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