Characteristics of Deep Structure, Identification of Paleouplift and Exploration Significance in Persian Gulf Basin

doi:10.3969/j.issn.1672-7703.2025.05.005

Abstract

Abstract: The deep palaeohigh in the Persian Gulf Basin controls the development of the giant low-amplitude anticline, which in turn controls the formation of the world-class large oil and gas fields. It is urgent to delineate the distribution characteristics of deep paleohigh and fault in the Persian Gulf Basin and analyze their control on oil and gas distribution. Based on the wavelet analysis of high precision EGM free air gravity data, 36 palaeohighs are identified in Centrel Arabian, Rub’al-Khali and Zagros subbasins. Combining with the formation and evolution of palaeohighs, these palaeohighs are divided into three groups: Precambrian, Late Devonian to Early Carboniferous Epoch, and Mio-Pilocene. The first and second groups of palaeohighs control the development of Precambrian to Devonian anticlinal traps, Devonian unconformity lithologic traps, Periman-Cretaceous anticlinal traps. The third group of palaeohighs control the development of Mio-Pilocene drape anticlinal traps. Based on the reservoir formation conditions in the Persian Gulf Basin, 16 Paleozoic, 26 Jurassic and 16 Cretaceous favorable areas are predicted. This study can provide some reference for deep oil and gas exploration in the Persian Gulf and similar basins.

CLC Number:

TE122

Gao Min, Zhang Zhongmin, Wang Tong, Wu Gaokui, Cao Zhe, Shi Danni. Characteristics of Deep Structure, Identification of Paleouplift and Exploration Significance in Persian Gulf Basin[J]. China Petroleum Exploration, 2025, 30(5): 55-66.

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