...气源选择；压力级制；用气量预测；应急气源 [gap=327]key words：natural gas utilization planning；selection of gas source；pressure-tier system；gas consumptionforecasting；emergency gas source ..
The gas-lift pumping plant is thepower source, thegas volume has a directeffect on the scaleofgas lift and the selectionof power motor willdirectlyaffect the cost of gas-lift system.