Special Oil & Gas Reservoirs >

2022 , Vol. 29 >Issue 2: 9 - 15

DOI: https://doi.org/10.3969/j.issn.1006-6535.2022.02.002

Geologic Exploration

Difference in Oil and Gas Transport between Lower-Source and Upper-Reservoir and Upper-Source and Lower-Reservoir Oil Source Faults

  • Sha Zixuan ,
  • Yu Dan ,
  • Fu Guang
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  • 1. Northeast Petroleum University, Daqing, Heilongjiang 163318, China;
    2. PetroChina Daqing Oilfield Co., Ltd., Daqing, Heilongjiang 163712, China

Received date: 2021-04-14

  Revised date: 2021-12-31

  Online published: 2023-01-10

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Abstract

In order to study the characteristics and regularity of hydrocarbon distribution of different source-reservoir-cap assemblages, two assemblages (lower-source and upper-reservoir model and upper-source and lower-reservoir model) were studied for the difference in oil and gas transport characteristics of oil source fault on the basis of the analysis on hydrocarbon migration and accumulation pattern and transport channels and the comparison on characteristics of hydrocarbon distribution and transport channels in oil source fault. The results showed that the characteristics of oil and gas transport were mainly different in the following three aspects. 1) Difference in the plane distribution range of oil and gas transport: the oil and gas were transported within the hydrocarbon expulsion zone of lower-source and upper-reservoir oil source faults, while the oil and gas in upper-source and lower-reservoir oil source faults were transported downwards only when the overpressure value of the source rock was greater than the minimum overpressure required for the downward transport of oil and gas. 2) Difference in the end point and maximum distance of oil and gas transport: The upward transport of oil and gas in the lower-source and upper-reservoir oil source faults was ended at the closed regional caprock, and the distance between the bottom of closed regional caprock and the top of source rock was the maximum distance of downward oil and gas transport of the oil source fault; the downward transport of oil and gas in the upper-source and lower-reservoir oil source faults was ended at the site where the transport power was equal to the resistance, and the distance between such site and the source rock bottom was the maximum distance of downward oil and gas transport of the oil source fault. 3) Difference in horizons for lateral layered sandbody migration in oil and gas transport: The horizon of lateral layered sandbody migration in oil and gas transport of lower-source and upper-reservoir oil source faults was at the layer with high sandstone thickness/ formation thickness ratio under the closed regional caprock; the horizon of lateral layered sandbody migration in downward oil and gas transport of lower-reservoir and upper-source oil source faults was at all sandbodies above the end of its downward transport of oil and gas. The results of the study can provide a theoretical basis for oil and gas exploration in different source-reservoir-cap assemblages.

Key words： source-reservoir-cap assemblage; lower-source and upper-reservoir model; upper-source and lower-reservoir model; oil source fault; hydrocarbon transport; characteristic difference

Cite this article

Sha Zixuan , Yu Dan , Fu Guang . Difference in Oil and Gas Transport between Lower-Source and Upper-Reservoir and Upper-Source and Lower-Reservoir Oil Source Faults[J]. Special Oil & Gas Reservoirs, 2022 , 29(2) : 9 -15 . DOI: 10.3969/j.issn.1006-6535.2022.02.002

References

[1] 姜贵璞,付广,孙同文.利用地震资料确定油源断裂输导油气能力及油气富集的差异性[J].地球物理学进展,2017,32(1):160-166.
JIANG Guipu,FU Guang,SUN Tongwen.Seismic data is used to determine the transportation oil-gas ability of oil source faults and the difference of oil-gas accumulation[J].Progress in Geophysics,2017,32(1):160-166.
[2] 付广,王浩然.不同时期油源断裂输导油气有利部位确定方法及其应用[J].石油学报,2018,39(2):180-188.
FU Guang,WANG Haoran.Determination method and its application of favorable positions for hydrocarbon transport in oil-source fault during different periods[J].Acta Petrolei Sinica,2018,39(2):180-188.
[3] 王亚东,方小敏,高军平,等.柴达木盆地西部地区断裂类型及油气勘探意义[J].地质科学,2009,34(3):957-965.
WANG Yadong,FANG Xiaomin,GAO Junping,et al.The fault types and the implication of petrolic prospect in the west of the Qaidam Basin[J].Chinese Journal of Geology,2009,34(3):957-965.
[4] 付广,吕延防,付晓飞,等.断陷盆地源盖断时空匹配关系对油气成藏的控制作用[J].油气地质与采收率,2004,11(5):17-20.
FU Guang,LYU Yanfang,FU Xiaofei,et al.Time-space matching relation of source rock,caprock and faults and its controlling effect on oil and gas reservoir forming in fault basin[J].Petroleum Geology and Recovery Efficiency,2004,11(5):17-20.
[5] INGRAM G M,URAI J L.Top-seal leakage through faults and fractures:the role of mudrock properties[J].Geological Society,1999,158(1):125-135.
[6] 王祥,能源,程晓敢,等.塔里木盆地麦盖提斜坡及周缘下古生界断-盖组合及其控油气作用[J].石油学报,2017,38(3):267-273,323.
WANG Xiang,NENG Yuan,CHENG Xiaogan,et al.Lower Paleozoic fault-caprock assemblage in Maigaiti slope of the Tarim Basin and periphery area and its controlling oil-gas effect[J].Acta Petrolei Sinica,2017,38(3):267-273,323.
[7] 张永波,刘明杨,相加林.油气成藏期输导断裂侧向封闭油气的判别方法及其应用[J].大庆石油地质与开发,2019,38(2):33-40.
ZHANG Yongbo,LIU Mingyang,XIANG Jialin.Discriminating method of the lateral sealing oil and gas by the transporting fault in hydrocarbon accumulation period and its application[J].Petroleum Geology & Oilfield Development in Daqing,2019,38(2):33-40.
[8] 付红军,姜洪福,王运增,等.断-砂配置侧向输导油气能力研究方法的改进及应用[J].石油与天然气地质,2019,40(5):1048-1055.
FU Hongjun,JIANG Hongfu,WANG Yunzeng,et al.Improvement and application of the method for quantifying lateral transport capacity of fault-sandstone configuration[J].Oil & Gas Geology,2019,40(5):1048-1055.
[9] 万雪峰.断裂向上和向下输导油气特征的差异性[J].大庆石油地质与开发,2018,37(3):16-21.
WAN Xuefeng.Differences in the characteristics of the upward and downward hydrocarbon transportations by the faults[J].Petroleum Geology & Oilfield Development in Daqing,2018,37(3):16-21.
[10] 吕延防,王伟,胡欣蕾,等.断层侧向封闭性定量评价方法[J].石油勘探与开发,2016,43(2):310-316.
LYU Yanfang,WANG Wei,HU Xinlei,et al.Quantitative evaluation method of fault lateral sealing[J].Petroleum Exploration and Development,2016,43(2):310-316.
[11] 袁红旗,张姗姗,于英华,等.油气沿断裂垂向倒灌运移最大深度的研究方法及其应用[J].地质论评,2019,65(2):445-452.
YUAN Hongqi,ZHANG Shanshan,YU Yinghua,et al.The research method and its application of the maximum depth of oil and gas vertically downward migration along faults[J].Geological Review,2019,65(2):445-452.
[12] HESTHAMMER J,FOSSEN H.Uncertainties associated with fault sealing analysis[J].Petroleum Geoscience,2000,6(1):37-45.
[13] 吕延防,许辰璐,付广,等.南堡凹陷中浅层盖-断组合控油模式及有利含油层位预测[J].石油与天然气地质,2014,35(1):86-97.
LYU Yanfang,XU Chenlu,FU Guang,et al.Oil-controlling models of caprock-fault combination and prediction of favorable horizons for hydrocarbon accumulation in middle-shallow sequences of Nanpu Sag[J].Oil & Gas Geology,2014,35(1):86-97.
[14] 卢双舫,李娇娜,刘绍军,等.松辽盆地生油门限重新厘定及其意义[J].石油勘探与开发,2009,36(2):166-173.
LU Shuangfang,LI Jiaona,LIU Shaojun,et al.Oil generation threshold depth of Songliao Basin:revision and its significance[J].Petroleum Exploration and Development,2009,36(2):166-173.
[15] 于洋. 上生下储倒灌式油气运聚成藏空间预测方法及其应用[J].大庆石油地质与开发,2021,40(4):47-54.
YU Yang.Predicting method of migration and accumulation space of the hydrocarbon reversed in upper source-lower reservoir combination and its application[J].Petroleum Geology & Oilfield Development in Daqing,2021,40(4):47-54.
[16] 冯志强,张顺,冯子辉.在松辽盆地发现“油气超压运移包络面”的意义及油气运移和成藏机理探讨[J].中国科学:D辑 地球科学,2011,41(12):1872-1883.
FENG Zhiqiang,ZHANG Shun,FENG Zihui.Discovery of "enveloping surface of oil and gas overpressure migration" in the Songliao Basin and its bearings on hydrocarbon migration and accumulation mechanisms[J].Science China:D Series Earth Science,2011,41(12):1872-1883.
[17] 高宁,宋颜生,葛思.三肇凹陷扶杨油层油运移形式及其控油差异性[J].大庆石油地质与开发,2018,37(4):20-25.
GAO Ning,SONG Yansheng,GE Si.Oil migrating forms and oil controlled differences for FY oil layers in Sanzhao Sag[J].Petroleum Geology & Oilfield Development in Daqing,2018,37(4):20-25.
[18] 李敬生.贝尔凹陷优质烃源岩的发现及其地质意义[J].成都理工大学学报(自然科学版) ,2013,40(3):326-332.
LI Jingsheng.Discovery and geological significance of high-quality source rock in Beier Sag of Hailaer Basin, China[J].Journal of Chengdu University of Technology(Science & Technology Edition),2013,40(3):326-332.
[19] 于英华,邓蕊,袁红旗.油源断裂输导油气至多套盖层运移区预测方法及其应用[J].地球物理学进展,2019,34(1):244-250.
YU Yinghua,DENG Rui,YUAN Hongqi.Prediction method and its application of migration zones of oil and gas migration to multiple caprock by oil source faults[J].Progress in Geophysics,2019,34(1):244-250.
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