Generation Provenances of Lower Miocene Petroleum Classic Formation in Cuu Long Basin

Document Type : Research Paper

Authors

1 Department of Petroleum Geology, Faculty of Geology & Petroleum Engineering, Ho Chi Minh City University of Technology, Viet Nam.

2 General Department of Geology and Minerals of Viet Nam, Viet Nam.

Abstract

The Study focuses on examining the formation and deposition process of sedimentary formations containing oil and gas in the sedimentary basins on Vietnam's continental shelf. Determining the distribution trend, characteristics, and scale of these sediments is of great importance. By analyzing field samples, lithologic data, references, documents, and conducting geological-geophysical research, the author has investigated the formation process of lower Miocene sediments with oil and gas in the Cuu Long basin. Through the study of identified characteristics, distribution scale, sedimentological features, and seismic data, the author has shed light on the process of formation and the trend of hydrocarbon accumulation in the lower Miocene sedimentary basin of the Cuu Long Basin. The predominant trend of sediment deposition distribution is observed from the continental portion of the Dalat Zone towards the Cuu Long Basin, cutting through it in a west-east direction. Furthermore, the research reveals that the lower Miocene sandstone in the Cuu Long Basin can be divided into two sequences: BI.2 and BI.1, both originating from granitoid sources. These findings also contribute to our understanding of the evolution of magma-sediment processes in the studied area and its surrounding regions. Additionally, tectonic extensions and climate changes, which lead to sea-level rise during the lower Miocene sequence, create favorable conditions for the deposition and accumulation of sedimentary particles.

Keywords

Main Subjects

References

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Journal of Chemical and Petroleum Engineering
Volume 57, Issue 2
December 2023
Pages 209-225

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History

  • Receive Date: 27 May 2023
  • Revise Date: 17 June 2023
  • Accept Date: 19 June 2023

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