The near disposition of source rock, reservoir rock and cap rock is favorable for oil and gas accumulation in buried hill traps.
潜山储层与上覆烃源岩和盖层之间的就近配置利于油气进入潜山圈闭而成藏。
2
The gas-capoilreservoir is an oil reservoir overtopped with gas phase hydrocarbon that is in a unified hydrodynamic system with the underneath oil deposit and the water body.
There are large number of oil fields developed under gas cap drive in operation currently, however, much less studies on the reservoir behavior of such oil fields have been carried.