Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Ma'nan Structural Belt of Maigaiti Slope

新疆石油地质 ›› 2017, Vol. 38 ›› Issue (zk(English) ): 1-5.

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Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Ma'nan Structural Belt of Maigaiti Slope

SI Shanghua^1,2, CHEN Honghan², XIONG Wanlin³, LI Peijun², LU Ziye²

1. School of Earth Sciences and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi 710065, China;
2. Faculty of Earth Resources, China University of Geosciences, Wuhan, Hubei 430074, China;
3. Shenzhen Branch, CNOOC, Guangzhou, Guangdong 510083, China

收稿日期:2016-09-03 修回日期:2016-12-02 出版日期:2018-01-01 发布日期:2021-05-19

Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Ma'nan Structural Belt of Maigaiti Slope

SI Shanghua^1,2, CHEN Honghan², XIONG Wanlin³, LI Peijun², LU Ziye²

1. School of Earth Sciences and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi 710065, China;
2. Faculty of Earth Resources, China University of Geosciences, Wuhan, Hubei 430074, China;
3. Shenzhen Branch, CNOOC, Guangzhou, Guangdong 510083, China

Received:2016-09-03 Revised:2016-12-02 Online:2018-01-01 Published:2021-05-19
About author:SI Shanghua, E-mail: sishanghua0724@163.com

摘要/Abstract

摘要： In order to understand the hydrocarbon accumulation of Yingshan Formation in Ma'nan structural belt of Maigaiti slope, the paper quantitatively describes the fluorescence spectrum of oil inclusions and identifies the oil inclusions with 4 fluorescent colors of orange, yellow-green, blue-green and blue-white by using peak wavelength (λ_max), red-green quotient (Q) and Q_F535 parameters, which represents 4 different stages of oil and gas charging, respectively. The peak wavelength (λ_max) and Q_F535 of oil inclusions are distributed in 4 different areas. The decrease of Q_F535 value reflects the gradual increase of the maturity of the oil trapped by inclusions. Hydrocarbon charging during stages Ⅰ, Ⅱ and Ⅲ made more contributions to the current oil and gas reservoirs of Yingshan Formation than that of stage Ⅳ. The stageⅠ is low-maturity oil charging at the early stage and the stages Ⅱ, Ⅲ and Ⅳ are high-maturity oil charging at the late stage.

关键词: Tarim Basin, Maigaiti slope, Ma'nan structural belt, Yingshan Formation, oil inclusion, fluorescence spectrum, hydrocarbon accumulation stage

Abstract: In order to understand the hydrocarbon accumulation of Yingshan Formation in Ma'nan structural belt of Maigaiti slope, the paper quantitatively describes the fluorescence spectrum of oil inclusions and identifies the oil inclusions with 4 fluorescent colors of orange, yellow-green, blue-green and blue-white by using peak wavelength (λ_max), red-green quotient (Q) and Q_F535 parameters, which represents 4 different stages of oil and gas charging, respectively. The peak wavelength (λ_max) and Q_F535 of oil inclusions are distributed in 4 different areas. The decrease of Q_F535 value reflects the gradual increase of the maturity of the oil trapped by inclusions. Hydrocarbon charging during stages Ⅰ, Ⅱ and Ⅲ made more contributions to the current oil and gas reservoirs of Yingshan Formation than that of stage Ⅳ. The stageⅠ is low-maturity oil charging at the early stage and the stages Ⅱ, Ⅲ and Ⅳ are high-maturity oil charging at the late stage.

Key words: Tarim Basin, Maigaiti slope, Ma'nan structural belt, Yingshan Formation, oil inclusion, fluorescence spectrum, hydrocarbon accumulation stage

SI Shanghua, CHEN Honghan, XIONG Wanlin, LI Peijun, LU Ziye. Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Ma'nan Structural Belt of Maigaiti Slope[J]. 新疆石油地质, 2017, 38(zk(English) ): 1-5.

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Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Ma'nan Structural Belt of Maigaiti Slope

Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Ma'nan Structural Belt of Maigaiti Slope

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