%0 Journal Article
%T 运用流体包裹体确定羌塘盆地昂达尔错地区中侏罗统布曲组油气成藏期次和时期<br>Determination of Hydrocarbon Charging History by Diagenetic Sequence and Fluid Inclusions: A Case Study of the Angdaercuo Area in the Qiangtang Basin
%A 李俊威
%A 李琦
%A 夏响华
%A 葛东升
%A 石亚兰
%A 王兴&lt
%A br&gt
%A LI Junwei
%A LI Qi
%A XIA Xianghua
%A GE Dongsheng
%A SHI Yalan
%A WANG Xing
%J 现代地质
%D 2016
%X 摘要： 对羌塘盆地昂达尔错地区中侏罗统布曲组储集层流体包裹体样品进行荧光观测、显微测温、测盐等系统测试分析，识别出两期流体包裹体。第一期流体包裹体主要分布在裂缝充填的方解石脉中。第二期流体包裹体分布在方解石晚期微裂隙中。通过对与烃类共生的盐水包裹体进行均一化温度测试，两期流体包裹体的均一温度分布在64~198 ℃范围内，总体呈现出两个明显的温度峰区：80~130 ℃、130~180 ℃。分析认为，研究区存在两期规模较大的油气运移。第一期以成熟度较低的油气充注为主；第二期以高成熟度的油充注为主。结合研究区储层埋藏史得出，研究区主要的油气成藏期发生在距今100～156 Ma，即晚侏罗世至早白垩世。<br>Abstract: This paper systematically analyzed the fluid inclusion samples from outcrop of the Middle Jurassic Buqu Formation in Angdaercuo area of Qiangtang Basin using fluorescent indicator, microscopic temperature and salinity measures. Two stages of fluid inclusions were identified in calcite veins and microfractures in calcite. Aqueous inclusions indicate that homogenization temperatures are mainly 64 to 198 ℃, therein, 80 to 130 ℃ and 130 to 180 ℃ represent two large scale hydrocarbon accumulation phases: the early hydrocarbon accumulation is dominated by oil and gas; the late hydrocarbon accumulation is dominated by oil. Combined with the burial history of Qiangtang Basin, the results of this study suggest that the hydrocarbon accumulation occurred during 100 to 156 Ma (Late Jurassic to Early Cretaceous)
%K 羌塘盆地
%K 布曲组
%K 流体包裹体
%K 均一温度
%K 油气运移
%K Qiangtang Basin
%K Buqu Formation
%K fluid inclusion
%K homogenization temperature
%K hydrocarbon migration
%U http://www.geoscience.net.cn/CN/abstract/abstract13851.shtml