Hydrocarbon dynamic field division and its relevance to oil and gas exploration for Paleogene reservoir in Lufeng Depression
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Abstract
Significant breakthroughs have been achieved in the exploration of Paleogene reservoirs in the Lufeng Depression. However, as drilling depth is becoming greater, the discovered oil and gas reservoirs show signs of transition from conventional to unconventional accumulations, and the identification of conventional and unconventional reservoir boundaries is of particular significance. Herein, the hydrocarbon dynamic field boundaries in the Lufeng Depression are comprehensively identified by the geological drilling result method, the sandstone pore throat radius critical value discrimination method and the dry layer drilling rate variation method; then, the hydrocarbon dynamic field is divided and the characteristics and differences of hydrocarbon accumulations in each hydrocarbon dynamic field are compared. The results show that the buoyancy-driven hydrocarbon accumulation depth in the Lufeng Depression is between 3,500-4,000 m, and the hydrocarbon accumulation depth limit is about 5,800 m. The focus of research on Paleogene oil and gas exploration in the Lufeng Depression should be placed on conventional oil and gas reservoirs in the free dynamic field and tight oil reservoirs in the reformed dynamic field. As for the Enping Formation and Upper Wenchang Formation, efforts should concentrate on conventional oil and gas reservoir exploration, and the tight reservoir of Lower Wenchang Formation should be explored in the high fracture density area in C-4 and C-8 well blocks and the west of C-8 well block of the Lufeng 13 sag. The research results of this paper are of great value in further increasing oil and gas production and the explorarion of reservoirs in the Lufeng Depression.
Cited as: Ma, K., Pang, H., Zhang, L., Huang, S., Huo, X., Chen, J. Hydrocarbon dynamic field division and its relevance to oil and gas exploration for Paleogene reservoir in Lufeng Depression. Advances in Geo-Energy Research, 2022, 6(5): 415-425. https://doi.org/10.46690/ager.2022.05.06
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Almedallah, M., Altaheini, S. K., Clark, S., et al. Combined stochastic and discrete simulation to optimise the economics of mixed single-horizontal and multilateral well offshore oil developments. Petroleum Exploration and Development, 2021, 48(5): 1183-1197.
Dai, Y., Niu, Z., Wang, D., et al. Differences of hydrocarbon enrichment regularities and their main controlling factors between Paleogene and Neogene in Lufeng sag, Pearl River Mouuth Basin. Acta Petrolei Sinica, 2019, 40(s1): 41-52. (in Chinese)
Esmaili, S., Mohaghegh, S. D. Full field reservoir modeling of shale assets using advanced data-driven analytics. Geoscience Frontiers, 2016, 7(1): 11-20.
Fu, X., Jia, R., Wang, H., et al. Quantitative evaluation of fault-caprock sealing capacity: A case from Dabei-Kelasu structural belt in Kuqa Depression, Tarim Basin, NW China. Petroleum Exploration and Development, 2015, 42(3): 329-338.
Ge, J., Zhu, X., Zhao, X., et al. Tectono-sedimentary signature of the second rift phase in multiphase rifts: A case study in the Lufeng Depression (38-33.9 Ma), Pearl River Mouth Basin, south China sea. Marine and Petroleum Geology, 2020, 114: 104218.
Guo, Y., Pang, X., Li, Z., et al. The critical buoyancy threshold for tight sandstone gas entrapment: Physical simulation, interpretation, and implications to the Upper Paleozoic Ordos Basin. Journal of Petroleum Science and Engineering, 2017, 149: 88-97.
Jia, C., Pang, X., Yan, S. The mechanism of unconventional hydrocarbon formation: Hydrocarbon self-sealing and intermolecular forces. Petroleum Exploration and Development, 2021, 48(3): 507-526.
Karlsen, D. A., Skeie, J. E. Petroleum migration, faults and overpressure, part I: Calibrating basin modelling using petroleum in traps—a review. Journal of Petroleum Geology, 2006, 29(3): 227-256.
Liu, Z. Differences and influencing factors of the buoyance controlling reservoir limitation in different zones of Nanpu Sag. Beijing, China University of Petroleum (Beijing), 2018. (in Chinese)
Magoon, L. B., Dow, W. G. The petroleum system, in Fractals in the The Petroleum System—From Source to Trap, edited by L. B. Magoon and W. G. Dow, American Association of Petroleum Geologists, Tulsa, pp. 3-24, 1994.
Niu, Z., Liu, G., Ge, J., et al. Geochemical characteristics and depositional environment of Paleogene lacustrine source rocks in the Lufeng Sag, Pearl River Mouth basin, South China Sea. Journal of Asian Earth Sciences, 2019, 171: 60-77.
Pang, X., Hu, T., Larter, S., et al. Hydrocarbon accumulation depth limit and implications for potential resources prediction. Gondwana Research, 2022, 103: 389-400.
Pang, X., Jia, C., Chen, J., et al. A unified model for the formation and distribution of both conventional and unconventional hydrocarbon reservoirs. Geoscience Frontiers, 2021a, 12(2): 395–711.
Pang X., Jia, C., Wang, W., et al. Buoyance-driven hydrocarbon accumulation depth and its implication for unconventional resource prediction. Geoscience Frontiers, 2021b, 12(4): 101133.
Shanley, K. W., Cluff, R. M., Robinson, J. W. Factors controlling prolific gas production from low-permeability sand-stone reservoirs: Implications for resource assessment, prospect development, and risk analysis. AAPG Bulletin, 2004, 88(8): 1083-1121.
Shi, D., Li, M., Pang, X., et al. Fault-fracture mesh petroleum plays in the Zhanhua Depression, Bohai Bay Basin: Part 2. Oil-source correlation and secondary migration mechanisms. Organic Geochemistry, 2005, 36(2): 203-223.
Smith, M. G., Bustin, R. M. Late Devonian and Early Mississippian Bakken and Exshaw black shale source rocks, Western Canada Sedimentary Basin: a sequence stratigraphic interpretation. AAPG Bulletin, 2000, 84(7): 940-960.
Tan, Z., Wang, W., Li, W., et al. Controlling factors and physical property cutoffs of the tight reservoir in the Liuhe Basin. Advance in Geo-Energy Research, 2017, 1(3): 190-202.
Tian, D., Jiang, T., Liu, B., et al. Early Miocene sedimentary processes and their hydrocarbon implications in the Baiyun Sag of Pearl River Mouth Basin, northern South China sea. Marine and Petroleum Geology, 2019, 101: 132-147.
Wang, C., Sun, Y. Development of Paleogene depressions and deposition of lacustrine source rocks in the Pearl River Mouth Basin, northern margin of the South China Sea. AAPG Bulletin, 1994, 78(11): 1711-1728.
Wang, M., Wilkins, R. W. T., Song, G., et al. Geochemical and geological characteristics of the Es3L lacustrine shale in the Bonan sag, Bohai Bay Basin, China. International Journal of Coal Geology, 2015, 138: 16-29.
Wang, W., Pang, X., Chen, Z., et al. Improved methods for determining effective sandstone reservoirs and evaluating hydrocarbon enrichment in petroliferous basins. Applied Energy, 2020, 261: 114457.
Wang, W., Zheng, D., Sheng, G., et al. A review of stimulated reservoir volume characterization for multiple fractured horizontal well in unconventional reservoirs. Advance in Geo-Energy Research, 2017, 1(1): 54-63.
Wang, X., Zhang, X., Lin, H., et al. Paleogene geological framework and tectonic evolution of the central anticlinal zone in Lufeng 13 sag, Pearl River Mouth Basin. Petroleum Research, 2019, 4(3): 238-249.
Wu, S., Liu, J., Xu, H., et al. Application of frequency division inversion in the prediction of heterogeneous natural gas hydrates reservoirs in the Shenhu Area, South China Sea. China Geology, 2022, 5(2): 251-266.
Xie, Z., Wei, J., Zheng, J., et al. A 3D basin modeling study of the factors controlling gas hydrate accumulation in the Shenhu Area of the South China Sea. China Geology, 2022, 5(2): 218-233.
Yuan, J., Jiang, R., Zhang, W., et al. The workflow to analyze hydraulic fracture effect on hydraulic fractured horizontal well production in composite formation system. Advance in Geo-Energy Research, 2018, 2(3): 319-342.
Zhang, S., Liang, D., Gong, Z., et al. Geochemistry of petroleum systems in the eastern Pearl River Mouth Basin: Evidence for mixed oils. Organic Geochemistry, 2003, 34(7): 971-991.
Zou, C., Zhang, G., Yang, Z., et al. Geological concepts, characteristics, resource potential and key techniques of unconventional hydrocarbon: on unconventional petroleum geology. Petroleum Exploration and Development, 2013, 40(4): 385-399.
DOI: https://doi.org/10.46690/ager.2022.05.06
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