流体包裹体在准噶尔盆地中部Ⅰ区块侏罗系储层油气运移研究中的应用  

Fluid Inclusion in the Study of Petroleum Migration in Z1 Area,Middle Junggar Basin,China

作　　者：申文[1] 吕新彪[2] 

机构地区：[1]中国地质大学研究生院,武汉430074 [2]中国地质大学地质过程与矿产资源国家重点实验室,武汉430074

出　　处：《地质科技情报》2007年第3期61-66,共6页Geological Science and Technology Information

基　　金：中国石油化工股份有限公司项目"准噶尔盆地古流体压力恢复及流体动力系统演化"

摘　　要：流体包裹体岩相学、显微测温分析与激光拉曼分析结果表明，准噶尔盆地中部Ⅰ区块下侏罗统三工河组（J1s）储层存在早、晚两期有机包裹体。早期（Ⅰ、Ⅱ型）有机包裹体具黄一淡黄色荧光，均一温度主要为80～100℃；晚期（Ⅲ型）有机包裹体多具黄白色荧光，少数为蓝白色荧光，均一温度主要为90～130℃，成熟度较前两种高。同期盐水包裹体的热力学特征反映研究区可能存在地层的层析作用，推断准噶尔盆地中部Ⅰ区块J1s储层的油气充注、运移至少经历两个主要期次，早期发生于90～50Ma（K2-E），晚期发生于自50Ma至今（E-Q），以晚期成藏为主。拉曼光谱分析显示出有机包裹体中气相及液态烃类组分特征峰。Oil-bearing inclusions of earlier and later stages are found in Jurassic reservoirs in Zl area, middle Junggar Basin in China by applying fluid inclusion petrography, micro-temperature measurement and laser Raman spectrum. The earlier stage （type Iand Ⅱ） inclusions present yellow- faint yellow fluorescence with the homogenization temperature （HT） 80-100 ℃, while the later stage （ type Ⅲ） show yellow white fluorescence, and pearl opal in minority , HT 90-130 ℃. The later inclusions （Ⅲ） are higher in maturity. The thermodynamics characteristics of aqueous inclusions reflect that stratum chromatography might exist. Hence, at least two petroleum migration periods should be compartmentalized. It is proved that the earlier stage originated in 90-50 Ma（K2-E） and the later one in 50 Ma（E-Q）which is the main period for oil migration and accumulation. Laser Raman spectrum analysis reveals gas phases and alkane components in oil-bearing inclusions.

关 键 词：流体包裹体 拉曼光谱 油气运移 

分 类 号：TE122.12[石油与天然气工程—油气勘探]