具有游离气顶的油藏。气顶供给驱扫能量，使油经储层岩石流入井内。
An oil reservoir with a free gas cap that supplies the energy to sweep the oil through the reservoir rock into the Wells.
气体可能在储层流体中以溶解形式或作为游离气而存在，游离气趋于在储层圈闭的盖层下面形成气顶。
Gas may be found either dissolved in reservoir fluids or as free gas that tends to form a gas cap beneath the top seal on the reservoir trap.
气体可能在储层流体中以溶解形式或作为游离气而存在，游离气趋于在储层圈闭的盖层下面形成气顶。
Gas may be found either dissolved in reservoir fluids or as free gas that tends to form a gas cap beneath the top seal on the reservoir trap.
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