ground operation expenses
... Air Airport ground operation 重庆市江北机场 ground operation expenses 地面作业费用 ; 地面勤务费用 ground operation equipment 地面作业设备 ...
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深井用伴生气经压缩机增压后进行气举采油，将碰到起下油管作业费用大、地面注气压力有限、气源将可能不足以满足各井需求等问题。
Some problems such as high cost of tripping the tubing string, limited injection pressure and insufficient gas supply will be faced when gas lift is used as an artificial lift method for deep Wells.
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