中东阿曼超级盆地形成背景、油气有序分布及主控因素

秦雁群; 肖高杰; 陈忠民; 肖坤叶; 陈亚京; 袁圣强; 姜虹

doi:10.3799/dqkx.2026.148

Volume 51 Issue 7

Jul. 2026

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Article Navigation > Earth Science > 2026 > 51(7): 2854-2868

Qin Yanqun, Xiao Gaojie, Chen Zhongmin, Xiao Kunye, Chen Yajing, Yuan Shengqiang, Jiang Hong, 2026. Formation Background, Orderly Distribution of Hydrocarbon, and Controlling Factors of Oman Super Basin in the Middle East. Earth Science, 51(7): 2854-2868. doi: 10.3799/dqkx.2026.148

Citation:

Qin Yanqun, Xiao Gaojie, Chen Zhongmin, Xiao Kunye, Chen Yajing, Yuan Shengqiang, Jiang Hong, 2026. Formation Background, Orderly Distribution of Hydrocarbon, and Controlling Factors of Oman Super Basin in the Middle East. Earth Science, 51(7): 2854-2868. doi: 10.3799/dqkx.2026.148

Citation:

Qin Yanqun, Xiao Gaojie, Chen Zhongmin, Xiao Kunye, Chen Yajing, Yuan Shengqiang, Jiang Hong, 2026. Formation Background, Orderly Distribution of Hydrocarbon, and Controlling Factors of Oman Super Basin in the Middle East. Earth Science, 51(7): 2854-2868. doi: 10.3799/dqkx.2026.148

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Formation Background, Orderly Distribution of Hydrocarbon, and Controlling Factors of Oman Super Basin in the Middle East

doi: 10.3799/dqkx.2026.148

PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China

Received Date: 2025-11-19
Publish Date: 2026-07-25

Abstract

Abstract

Based on the results of oil and gas exploration practices and the commercial oil and gas field database in the Oman Basin, this study analyzes the formation background and hydrocarbon distribution patterns in the super basin using petroleum systems and plays as units. Research indicates that the Oman Basin has undergone multi-cycle tectonic movements since the Precambrian, but is primarily characterized by the development of a cratonic margin and a passive continental margin. The deposition was predominantly in shallow marine marginal environments, where continuous transgressive-regressive cycles formed dominant lithofacies associations of carbonate rocks+evaporite/mudstone. The efficient configuration of various petroleum system elements has resulted in five petroleum systems that are vertically stacked but do not interfere with each other. The distribution of oil and gas in the basin exhibits a regular and orderly pattern: spatially, it is distributed around salt basins and uplift zones, with the north being rich in both oil and gas, and the south being rich in oil; vertically, it is distributed around three major plays, with the lower sections rich in both oil and gas, and the upper sections rich in oil. The basin is rich in conventional oil and gas, shale oil and gas and helium, characterized by a three-dimensional accumulation of multi-layer and multi-type resources. The analysis concludes that the main controlling factors for hydrocarbon enrichment in the Oman Basin are: three major source kitchens serve as the material basis for hydrocarbon enrichment and orderly distribution; thick salt rocks within the salt basins and regionally stable mudstones control the vertical orderly enrichment of hydrocarbons; multi-phase fault systems and regional unconformities provide critical support for the three-dimensional migration of hydrocarbons/non-hydrocarbons and the formation of favorable traps.
- super basin,
- Oman Basin,
- orderly distribution,
- salt basin,
- evaporite,
- controlling factor,
- petroleum geology

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References(45)

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Formation Background, Orderly Distribution of Hydrocarbon, and Controlling Factors of Oman Super Basin in the Middle East

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