短語詞組短語reservoir s pressure gradient 儲層壓力梯度reservoir flowing pressure 油層流動壓力reservoir static pressure 油層靜壓reservoir -pressure distribution 油藏壓力分布reservoir s pressure 儲層壓力optimum reservoir operating pressure 最佳油層開采壓力reservoir oil pressure 油藏油壓reservoir pressure depletion 地層壓力衰減reservoir pressure gradient 油層壓力梯度 返回 reservoir pressure