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四川盆地上三叠统碎屑岩油气成藏年代分析
引用本文:孟海龙,周鑫宇,黄亮,沈利霞,郭萌萌,尹思奇.四川盆地上三叠统碎屑岩油气成藏年代分析[J].重庆石油高等专科学校学报,2013(6):1-5.
作者姓名:孟海龙  周鑫宇  黄亮  沈利霞  郭萌萌  尹思奇
作者单位:[1]成都理工大学能源学院,成都610059 [2]中石化河南油田物探技术研究院,郑州450000 [3]中石化西南石油局第二物探大队,四川德阳618000
基金项目:国家自然科学基金(41172119).
摘    要:通过烃源岩生排烃史、包裹体均一温度定年、自生矿物K-Ar定年等方法对川西、川中、川南上三叠统气藏成藏年代进行分析,确定四川盆地上三叠统气藏成藏期的早期、中期和晚期,其中中期为最重要的成藏期,早期与中期(印支期与燕山期)为烃源岩生烃成藏期,晚期(喜山期)为油气调整成藏期.区域差异表现为,川西地区成藏时间相对最早,稍晚为川南地区,川中地区成藏时间最晚.

关 键 词:四川盆地  上三叠统  生排烃期  流体包裹体

Research on the Geochronology of Forming the Gas Pools of Upper Triassic in Sichuan BasinResearch on the Geochronology Upper Triassic in of Forming the Gas Pools of Sichuan Basin
Authors:MENG Hailong  ZHOU Xinyu  HUANG Liang  SHEN Lixia  GUO Mengmeng  YIN Siqi
Affiliation:1. School of Energy Resources, Chengdu University of Technology, Chengdu 610059; 2. Geophysical Research Institute of SINOPEC Henan Oilfield Branch Company, Zhengzhou 450000; 3. No. 2 Geophysical Services Company Southwest Bureau, SINOPEC, Deyang Sichuan 618000)
Abstract:By analyzing the period of hydrocarbon generating and discharging of source rocks, researching K - Are isotopic dating and examining the homogenization temperatures of inclusions, and so on, we divide the oil and gas accumulation periods in the Upper Triassic in Sichuan Basin into three stages. Amount of hydrocarbon are generated during the early stage and middle stage (Indosinan and Yanshanian). The later stage (Himalayan) is the period that the oil reconstructed and reallocated. Regional difference is shown as, accumulation time relative to the west- ern Sichuan region is the first, followed by the middle region, the southern region is relatively late.
Keywords:Sichuan Basin  Upper Triassic  hydrocarbon generating and discharging period  inclusion
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