摘要
鲁克沁构造带储集层含油砂岩石英颗粒裂纹中存在两种类型的有机包裹体。第一类为大小不等、褐黄色、发黄色荧光、分不出气液相的纯液态烃包裹体，温度86～118℃；第二类主要为气相占10％～30％，透明无色或浅黄色、发褐黄色荧光的气液两相有机包裹体，温度113～157℃两组类型的有机包裹体反映出该区存在两期油气注入，第一期原油注入发生于早燕山运动期，成熟度相对较低；第二期原油注入为燕山运动中期，成熟度相对较高。两期油源构来自台北凹陷上二叠统。原油主要以油相及油、水混合相由西北向东南运聚成藏，运移过程中原油已发生了一定程度的稠化，源岩较低演化阶段成烃及构造带持续的隆升背景是导致原油稠化的主要原因，稠变时期主要为中、晚侏罗世。
There exist two types of organic inclusions in the quartzose grain cracks of oil sandstone reservoir in Lukeqin structural belt, Turpan-Hami basin. The first type is one with pure liquid hydrocarbons, which is different in size, brown in color, yellow in fluorescence, 86~118℃ in temperature, and cannot tell from gas or liquid state; the second one is dominated by gas state which accounts for 10%~30%, with light yellow in color, brown in fluorescence, 113~157℃ in temperature, showing gas and liquid states. Two-period hydrocarbon inflow can be reflected from the inclusions. The first period took place in early Yanshan movement, with relatively low maturity; the second one in middle Yanshan movement, with relatively high maturity of crude oil. All of the hydrocarbon came from the Upper Permian in Taibei sag, characterized by oil phase and mixed oil-water phase, and migrated from northwest to southeast and then accumulated into reservoirs. During the migration, densification of crude oil occurred in some degree, due to low maturity of hydrocarbons generation in source rocks and continuous uplifting for the structural belt during the period of MiddleInte Jurassic.
出处
《新疆石油地质》
CAS
CSCD
2000年第4期266-269,共4页
Xinjiang Petroleum Geology
关键词
有机质
油气运移
油气聚集
流体包裹体
成藏过程
Turpan basin, Hami basin, (Lukeqin Structural belt), Organic matter, Inclusion, Oil and gas migration, Oil and gas accumulation, Source bed
