Bicyclic sesquiterpenoids as maturity indicator in oils of Qingdong Sag, Bohai Bay Basin, China

被引：1

作者：

Ge, Haixia ^{[1
]}

Zhang, Zhihuan ^{[2
]}

Min, Wei ^{[3
]}

机构：

[1] Shaanxi Yanchang Petr Grp Co LTD, Res Inst, Xian 710075, Shaanxi, Peoples R China

[2] China Univ Petr, State Key Lab Petr Resource & Prospecting, Beijing, Peoples R China

[3] Shengli Oilfield Co, SINOPEC, Petr Dev Inst, Dongying, Shandong, Peoples R China

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2017年 / 35卷 / 23期

基金：

中国国家自然科学基金;

关键词：

bicyclic sesquiterpenoids; Immature oils; 4,4,8,9,9-pentamethyl decahydronaphthalene /8 beta(H)-homodrimane; maturity indicator; Qingdong sag; ORGANIC-MATTER;

D O I：

10.1080/10916466.2017.1391842

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：

Immature oils were proved to be existed in Es-4(u) reservoirs based on GC-MS and carbon isotope analysis of oil sand and source rocks in Qingdong sag. By comprehensive discussion with compositional data from different sags in China, bicyclic sesquiterpenoids are related to thermal maturity and can be used in oil maturity identification. A new indicator, 4,4,8,9,9-pentamethyl decahydronaphthalene/ 8 beta(H)-homodrimane, is proposed for distinguishing immature and mature oils in the study area. It signifies mature when this ratio value is higher than 0.34, and immature when the value is lower than 0.34. The varying structures of the two compounds determines their stability.

引用

页码：2172 / 2178

页数：7

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