concentric gas lift valve 同心气举阀
eccentric gas lift valve 偏心气举阀
gas lift valve [油气] 气举阀
spring-loaded gas-lift valve 弹簧加压气举阀
casing-pressure gas lift valve [油气] 套管压力气举阀
intermittent gas lift valve 间歇气举阀
tubing-pressure gas lift valve 油管压力气举阀
bellows gas-lift valve 波纹管气举阀
According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.
针对这一难题，研制了套管防盗油密封阀，并配套应用了井下油气分离器与气举阀助流举升工艺技术。
The gas lift valve on the conventional gas lift pipe string is easy to fail and cannot be replaced in the hole.
常用的气举采油管柱存在的问题是气举阀易失效，不能投捞进行更换，严重影响管柱的效率和使用周期。
The gas lifting system is a narrow system extraordinary, including compressor unit, injection channel, lift valve and lifting passage.
气举系统是一个非常严密的系统，包括压缩机组、注入通道、气举阀和举升通道几个部分。
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