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Yumen oilfield has entered the era of "pipeline natural gas transmission" 2025-01-10 Yumen oilfield has entered … 2025-01-10 Method of judging internal leakage of natural gas ball valve 2025-01-03 Method of judging internal … 2025-01-03 Profitable oil is produced from rock joint in Tuha oilfield 2024-12-27 Profitable oil is produced … 2024-12-27 The first gas storage group in Northwest China realizes the same production and supply of gas from two reservoirs 2024-12-13 The first gas storage group… 2024-12-13 O-type ball valve and V-type ball valve difference 2024-12-06 O-type ball valve and V-typ… 2024-12-06 To build a new model of low-carbon and efficient surface system in Dagang Oilfield 2024-11-29 To build a new model of low… 2024-11-29 Effective troubleshooting method after trap failure 2024-11-22 Effective troubleshooting m… 2024-11-22 
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