| Qingdao Institute of marine geology, China Geological Survey | Host |
| Citation: |
HE Jiaxiong, YAO Yongjian, YU Junfeng, ZHANG Jinfeng. Petroleum geological characteristics and progress of exploration and development in offshore basins of China[J]. Marine Geology Frontiers, 2022, 38(11): 1-17. doi: 10.16028/j.1009-2722.2022.180
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Petroleum geological characteristics and progress of exploration and development in offshore basins of China
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Abstract
In the past over 50 years of offshore oil-gas exploration practice, technological innovations and progresses in this regard in China have made great progresses with many major breakthroughs. Especially, since 2011, it welcomed a quick development. In 2010, the annual offshore oil-gas production of China exceeded 50 million tons of oil equivalent, including more than 30 million tons of crude oil from the Bohai Basin, which realized the goal of building an "Offshore Daqing", and oil-gas production in China’s sea areas has been growing rapidly. In this review, we systematically summarized the basic petroleum geological features of China offshore oil-gas resources in terms of petroliferous basin sedimentary characteristics, tectonic structure types, genetic types of oil and gas, hydrocarbon source supply, combination type of hydrocarbon accumulation, and accumulation model. In addition, we briefly reviewed the progresses in oil-gas (including hydrate) exploration and development in the main offshore basins in China, provided some important references for further exploration and development of the remaining oil and gas resources in more-mature basins to guide more efficient oil-gas exploration and development in low-mature basins.
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References
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HE Jiaxiong, YAO Yongjian, YU Junfeng, ZHANG Jinfeng. Petroleum geological characteristics and progress of exploration and development in offshore basins of China[J]. Marine Geology Frontiers, 2022, 38(11): 1-17. doi: 10.16028/j.1009-2722.2022.180
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Figure 1.
Distribution of main oil-gas basins in offshore continental margin in the eastern and southeastern China
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Figure 2.
Structural types of main continental faulted basins in offshore China and comparison of typical sections of double-layer superimposed characteristics of fault depression
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Figure 3.
The Cenozoic stratigraphic systems of main offshore basins in China and regional stratigraphic distribution and correlation
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Figure 4.
Comparison in characteristics of paraffin oil steroid terpenoid biomarkers from lacustrine source rocks in main offshore basins of China
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Figure 5.
Comparison in characteristics of condensate steroids and terpenoids biomarkers from the Oligocene coal measures in shallow and deep-water areas of the northern South China Sea
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Figure 6.
Migration and accumulation mode and distribution characteristics of new-generation from old-reservoir and lateral-generation with lateral-reservoir natural gas in Bozhong 19-6 condensate gas field in Bozhong Sag, Bohai Basin[23]
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Figure 7.
Migration and accumulation mode and distribution characteristics of lower-generation with upper-reservoir and lateral-generation with lateral-reservoir oil and gas in different zones of the East China Sea Basin[24]
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Figure 8.
Migration and accumulation mode of lower-generation with upper-reservoir and new-generation with old-reservoir oil and gas in one source and multiple flows in Weixinan Sag, Beibu Gulf Basin, the northwestern South China Sea
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Figure 9.
Migration and accumulation model of lower-generation with upper-reservoir and old-generation with new-reservoir gas field in the central canyon channel of the Miocene-Pliocene in Ledong-Lingshui Sag, Qiongdongnan Basin[26]
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Figure 10.
Migration and accumulation mode and distribution characteristics of lower-generation with upper-reservoir and continental-generation with marine-reservoir oil and gas in one source and multiple flows in shallow water area of Pearl River Mouth Basin[30]
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Figure 11.
Statistical results of major oil and gas exploration breakthroughs and discoveries in major basins in China maritime area during China’s "Eleventh Five Year Plan" （2006—2010）[32]