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塔东地区烃源岩再评价
石油实验地质
2014年 36卷 第s1期
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Title
Further evaluation of source rocks in eastern Tarim Basin
Authors
Chang Qi
Yang Shiguo
Zhang Genfa
Chen Xuyun
Wang Bin
单位
中国石化 西北油田分公司 勘探开发研究院, 乌鲁木齐 830011
2. 中国石化 西北油田分公司 采油二厂, 新疆轮台 841600
3. 中国石化 石油勘探开发研究院 无锡石油地质研究所, 江苏无锡 214126
Organization
Research Institute of Exploration & Production, SINOPEC Northwest Company, Urumqi, Xinjiang 830011, China
2. No.2 Tahe Production Plant, SINOPEC Northwest Company, Luntai, Xinjiang 841600, China
3. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China
摘要
通过对塔里木盆地东部钻井烃源岩的有机质丰度、有机质类型和有机质成熟度等有机地化参数分析,认为中下寒武统烃源岩是本区最有利的烃源岩,有机质丰度高(平均TOC一般大于1.0%),有机质类型好(Ⅰ-Ⅱ1型),有机质成熟度总体较高(Ro为0.88%~2.75%),基本达到了高成熟—过成熟阶段.
Abstract
The studies of organic abundance, type and maturity of source rocks from wells in the eastern Tarim Basin showed that the Middle-Lower Cambrian source rocks were the most favorable source rocks in the study area. The organic abundance was high, with the average TOC content higher than 1.0%. The organic type was good, generally type Ⅰ-Ⅱ1. The organic maturity was high, with Ro ranging from 0.88% to 2.75%, indicating for high-mature and over-mature stages.
关键词：
烃源岩;
地球化学特征;
有机质丰度;
塔东地区;
Keywords:
source rocks;
organic geochemical parameters;
organic abundance;
eastern Tarim Basin;
基金项目
国家科技重大专项(2011ZX05005-02-04-01)和中国石油化工股份有限公司科技部项目(P13066)联合资助.
DOI
https://doi.org/10.11781/sysydz2014S1034
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