Migration and accumulation of natural gas in Kela-2 gas field

被引：11
|
作者：
Wang, ZM [1 ]
Wang, TD
Xiao, ZY
Xu, ZM
Li, M
Lin, F
机构：
[1] Tarim Oil Field Sub Co, Res Inst Explorat & Dev, Korla 841000, Peoples R China
[2] SW Petr Inst, Nanchong 637001, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2002年 / 47卷
关键词：
Kela-2 gas field; migration and accumulation of natural gas; carbon isotope; gas reservoir geochemistry;
D O I：
10.1007/BF02902826
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
With the guidance of petroleum system theory, the dynamic filling history of natural gas in the Kela-2 gas field is analyzed by using a large suite of oil and gas geochemistry evidence in combination with the tectonic evolution history and reservoir evolution history. It concludes that the Kela-2 gas field was formed by capturing the gas generated during the main gas generation period, while the late kerogen cracking gas contributed a little to the gas field. It suggests that the gas generated during the main gas generation accumulated in the early-formed wide-gentle anticline, which is the necessary condition for natural gas to re-migrate and enrich late to form the large-scale gas reservoir. The newest research shows that the filling history of gas in the Dabei-1, Yinan-2, Tuziluoke and Dina-2 gas fields was related with the natural gas accumulation in the early wide-gentle anticline as well as late re-migration and enrichment of natural gas.
引用
收藏
页码：107 / 112
页数：6
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