Characteristics of organic acids in lacustrine organic-rich shale, Ordos Basin, China

被引：2
|
作者：
Yang, Fei [1 ,2 ]
Xue, Lianhua [1 ]
Yang, Shuang [1 ,2 ]
Chen, Guojun [1 ]
Bi, Guangxu [1 ,2 ]
Lv, Chengfu [1 ]
Ma, Ming [1 ]
Su, Long [1 ]
Zhang, Dongwei [1 ,2 ]
Zhou, Qianshan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Gansu, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2019年 / 37卷 / 08期
基金：
中国科学院西部之光基金; 中国国家自然科学基金;
关键词：
Semi-closed system; organic acid; lacustrine shale; Ordos Basin;
D O I：
10.1080/10916466.2018.1539753
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：
Organic acids are critical to studying the formation of secondary porosity in tight lacustrine reservoirs, Ordos Basin. The expelled fluids produced through hydrocarbon evolution in a semi-closed system under different pressure and temperature settings (16.9 MPa, 250 degrees C; 22.1 MPa, 300 degrees C; 32.5 MPa, 350 degrees C; 37.7 MPa, 370 degrees C; 42.9 MPa, 400 degrees C; and 52.2 MPa, 450 degrees C) were collected. In this study, 12 different organic acids were identified using ion chromatography, and both the concentration and species of organic acids indicate a two-step process.
引用
收藏
页码：876 / 881
页数：6
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