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Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Manan Structural Belt of Maigaiti Slope(PDF)

《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

Issue:
2017年02期
Page:
161-
Research Field:
Publishing date:

Info

Title:
Fluorescence Characteristics of Oil Inclusions of Yingshan Formation in Manan Structural Belt of Maigaiti Slope
Author(s):
SI Shanghua12 CHEN Honghan2 XIONG Wanling3 LI Peijun2 LU Ziye2
(1.School of Earth Sciences and Engineering, Xian Shiyou University, Xian, Shaanxi 710065, China; 2.Faculty of Earth Resources, China University of Geosciences, Wuhan, Hubei 430074, China; 3.Shenzhen Branch, CNOOC, Guangzhou, Guangdong 510083, China)
Keywords:
Tarim basin Maigaiti slope Manan structural belt Yingshan formation oil inclusion fluorescence spectrum hydrocarbon accumulation stage
PACS:
TE125
DOI:
10.7657/XJPG20170207
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 (λmax), red-green quotient(Q)and QF535 parameters, which represents 4 different stages of oil and gas charging, respectively. The peak wavelength(λmax) and QF535 of oil inclusions are distributed in 4 different areas. The decrease of QF535 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 stage Ⅰ 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

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Last Update: 2017-03-30