Geochemical characteristics of carbon and hydrogen isotopes of light crude oils from the deep reservoirs in the Tazhong area of Tarim Basin, NW China

被引：3

作者：

Zhang, Haizu ^{[1
]}

Xu, Jianbing ^{[2
,3
]}

Zhang, Ke ^{[1
]}

Wei, Zhiwei ^{[2
,4
]}

Zhao, Qing ^{[1
]}

Faboya, Oluwabamise L. ^{[2
]}

Cheng, Bin ^{[2
]}

机构：

[1] PetroChina Tarim Oilfield Co, Res Inst Petr Explorat & Dev, Korla, Xinjiang, Peoples R China

[2] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China

[3] East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang, Jiangxi, Peoples R China

[4] Univ Chinese Acad Sci, Beijing, Peoples R China

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2020年 / 38卷 / 05期

关键词：

carbon isotope; deep oil reservoir; hydrogen isotope; light crude oil; Tarim Basin; HYDROCARBONS; PYROLYSIS; PETROLEUM; MATURITY;

D O I：

10.1080/10916466.2020.1767133

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The stable carbon and hydrogen isotopes of light crude oils from deep reservoirs of Cambrian-Ordovician strata in Tazhong area of Tarim Basin, NW China were investigated. The delta C-13 and delta D values determined from the oil samples ranged from -32.94 to -29.53 parts per thousand and -121.36 to -87.78 parts per thousand, respectively. A positive correlation exists between delta C-13(oil) and delta D-oil when the delta C-13(oil) < -31.15 parts per thousand, while a negative correlation occurs at delta C-13(oil) > -31.15 parts per thousand. This basic geochemical data is quite instructive in that the delta C-13(oil) value of approximately -31 parts per thousand may be an important threshold value to delimit the origin of the organic matter that formed the light crude oils.

引用

页码：509 / 515

页数：7

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