A NEW TYPE OF OIL SANDS IN THE BEIPIAO FORMATION OF JINYANG BASIN, WESTERN LIAONING PROVINCE: Geochemical Characteristics and Geological Implication

SUN Peng; TANG You-jun; ZHANG Kun

doi:10.13686/j.cnki.dzyzy.2020.04.0005

2020 Vol. 29, No. 4

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Article navigation > Geology and Resources > 2020 > 29(4): 335-341

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SUN Peng, TANG You-jun, ZHANG Kun. A NEW TYPE OF OIL SANDS IN THE BEIPIAO FORMATION OF JINYANG BASIN, WESTERN LIAONING PROVINCE: Geochemical Characteristics and Geological Implication[J]. Geology and Resources, 2020, 29(4): 335-341. doi: 10.13686/j.cnki.dzyzy.2020.04.0005

Citation:

SUN Peng, TANG You-jun, ZHANG Kun. A NEW TYPE OF OIL SANDS IN THE BEIPIAO FORMATION OF JINYANG BASIN, WESTERN LIAONING PROVINCE: Geochemical Characteristics and Geological Implication[J]. Geology and Resources, 2020, 29(4): 335-341. doi: 10.13686/j.cnki.dzyzy.2020.04.0005

A NEW TYPE OF OIL SANDS IN THE BEIPIAO FORMATION OF JINYANG BASIN, WESTERN LIAONING PROVINCE: Geochemical Characteristics and Geological Implication

School of Resource and environment, Yangtze University, Wuhan 430100, China

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Corresponding author: TANG You-jun, 309378729@qq.com

Received Date: 15 April 2020

Revised Date: 10 May 2020

Publish Date: 28 August 2020

Abstract

Abstract

The occurrence of oil and gas is discovered in the Beipiao Formation of SZK04 well located on the western margin of Zhangjiyingzi Sag in Jinyang Basin. The organic geochemical analysis results show that such oil sands are characterized by low pristane-phytane ratio, abundant hopane compounds, high gammacerane content, deficiency of sterane compounds and light carbon isotopes. Combined with the biomarker compounds and carbon isotope values, it is believed that the source rocks deposited in marine reduction environment should contribute to the oil sands of SZK04 well, with the organic matter mainly from bacterial input. Considering the geological background of the area, it is concluded that the type of marine oil sands may come from the MesovNeoproterozoic source rocks, which provides a basis for the Meso-Neoproterozoic oilvgas exploration in Jinyang Basin and even the western Liaoning Province.
- Jinyang Baisn /
- Beipiao Formation /
- SZK04 well /
- oil sand /
- biomarker compound /
- Liaoning Province

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