论文部分内容阅读
为研究孤西断层对渤南洼陷深层天然气向孤北潜山带运聚的影响,对孤西断层的断面形态特征和断层输导效率进行了分析。结果表明,从渤南洼陷烃源岩生成的天然气在孤西1号断层的义115井部位呈发散状,在孤西2号断层的渤古4井和义132井部位呈汇聚状向孤北潜山带方向运移。孤西2号断层整体为高效输导体系,不同部位输导天然气的效率存在着差异。孤西断层对渤南洼陷深层油型气向孤北潜山带运移具有重要的控制作用,断层凸面和输导效率高的部位对应着油型气的优势运移方向。
In order to study the influence of the Guixi fault on the migration and accumulation of deep natural gas in the Bonan sub-salamander to the Gubei sub-nationality, the fault morphological characteristics and fault conductivity of the Guixi fault are analyzed. The results show that the natural gas generated from the source rock in the Bonan sub-sag is divergent in the part of the Yi-115 well in the fault block Guxi-1 and is convergent to the Guzheng-2 well in the No.2 fault, North buried hill with the direction of migration. The fault of Guixi fault No.2 is a highly efficient guide system, and there are differences in the efficiency of gas transmission from different parts. Guxi fault plays an important role in controlling the migration of deep oil gas in the Bonan subsag to the northern part of the Gubei subtropical zone. The convex faults with high fault conductivity correspond to the dominant migration direction of oil-bearing gas.