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二次关井
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二次关井
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测试施工工艺
释
second shut in
二次关井
在进行测试作业的油气井生产一段时间后,通过地面或井下控制,实现测试器第二次关闭的过程。
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cryogenic insulation
cryogenic insulation material
cryogenic liquid hydrogen storage
cryogenic liquid transport
cryogenic magnet
cryogenic metallic materials
cryogenic metallic sealing material
cryogenic physiological hazard
cryogenic propellant
cryogenic pump
cryogenic radiometer
cryogenic refrigeration system
cryogenic refrigerator
cryogenic refrigerator above 2K
cryogenic refrigerator below 2K
cryogenic regenerative gas expansion refrigeration cycle
cryogenics
cryogenic safety
cryogenic separation
cryogenic separation of coke oven gas
cryogenic separation of Natural gas
cryogenic separation of pyrolysis gas
cryogenic stability
cryogenic storage
cryogenic system
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