羌塘盆地含烃类流体活动的基本特征及成藏分析

›› 2014, Vol. 35 ›› Issue (4): 1-1.

• 论文 •

羌塘盆地含烃类流体活动的基本特征及成藏分析

宋春彦，王剑，何利，付修根，谭富文，曹竣锋

(国土资源部 a. 成都地质矿产研究所;b. 沉积盆地与油气资源重点实验室,成都 610081)

出版日期:2019-01-01 发布日期:1905-07-13

Basic Characteristics of Hydrocarbon Fluid Inclusion Events and Analysis of Forming Reservoirs in Qiangtang Basin SONG Chunyan, WANG Jian, HE Li, FU Xiugen, TAN Fuwen, CAO Junfeng

(Ministry of Land and Resources, a.Chengdu Institute of Geology and Mineral Resources, b.Key Laboratory of Sedimentary Basin and Oil and Gas Resources, Chengdu, Sichuan 610081, China)

Online:2019-01-01 Published:1905-07-13

摘要/Abstract

摘要： 对羌塘盆地内多套重要地层裂缝充填包裹体进行了岩相、温度和成分研究。岩相特征显示，流体包裹体类型多样，包裹体以气液两相为主，气相以CH4为主，另外还含有H2S、H2、CO2和N2. 羌塘盆地内包裹体的温度范围比较宽，冰点温度-14.2~-2.0 ℃，均一温度0~367 ℃. 分析认为，羌塘盆地内至少存在6期主要的流体活动事件，分别为：0~22 ℃、76~85 ℃、122~128 ℃、172~189 ℃、220~255 ℃和300~370 ℃，表明羌塘盆地经历了多期复杂的构造流体活动。其中第一期为超晚期构造抬升之后的流体活动，不含烃类物质，与油气运移成藏无关；另外5期流体活动的包裹体均含有烃类物质，应该与油气运移有关。

Abstract: This paper studies the lithofacies, temperature and composition of the fluid inclusions from multiple sets of strata in Qiangtang basin. The lithofacies feature shows that there exist many types of fluid inclusions with gas?liquid phases, of which gas phase is dominated by CH4, and some other compositions are H2S, H2, CO2 and N2. The temperature range of the fluid inclusions in this basin is wide: the freezing point temperature ranges from -2.0℃ to 14.2℃, the homogenization temperature is from 0℃ to 367℃. It is suggested that six main fluid events exist at least in Qiangtang basin, they are: 0~22℃, 76~85℃, 122~128℃, 172~189℃, 220~255℃, and 220~370℃, of which the first period was after the late tectonic uplift, so the inclusions do not contain hydrocarbons, nothing to do with the oil?gas migration and accumulation; the others (five?period inclusions) do have contained hydrocarbons, and should be related to the oil and gas migration and accumulation in Qiangtang basin

中图分类号:

TE112.41

宋春彦，王剑，何利，付修根，谭富文，曹竣锋. 羌塘盆地含烃类流体活动的基本特征及成藏分析[J]. , 2014, 35(4): 1-1.

Basic Characteristics of Hydrocarbon Fluid Inclusion Events and Analysis of Forming Reservoirs in Qiangtang Basin SONG Chunyan, WANG Jian, HE Li, FU Xiugen, TAN Fuwen, CAO Junfeng. Basic Characteristics of Hydrocarbon Fluid Inclusion Events and Analysis of Forming Reservoirs in Qiangtang Basin SONG Chunyan, WANG Jian, HE Li, FU Xiugen, TAN Fuwen, CAO Junfeng[J]. , 2014, 35(4): 1-1.

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羌塘盆地含烃类流体活动的基本特征及成藏分析

Basic Characteristics of Hydrocarbon Fluid Inclusion Events and Analysis of Forming Reservoirs in Qiangtang Basin SONG Chunyan, WANG Jian, HE Li, FU Xiugen, TAN Fuwen, CAO Junfeng

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