tubingless 中文意思是什麼
tubingless
解釋
不下油管的-
Field use shows that the new tubingless oil production unit has the advantages of high pump efficiency, low cost and easy operation
現場使用情況表明，新型無油管採油裝置具有泵效高、投資少及作業方便等優點。 -
Countermeasures are put forward ， such as making reasonable selection and matching of the rod string ， strengthening inspection ， using special sucker rod ， applying tubingless production technology ， installing anti - reverse unit ， mounting overload protection system ， and so on
針對上述原因，制定了合理選配桿柱，加強檢測，採用專用抽油桿，應用無油管採油技術，安裝防反轉裝置，設置過載保護系統以及加強現場施工管理等技術對策，提高了抽油桿柱的可靠性，有效地避免了桿柱斷脫事故的發生。 -
Abstract : a new tubingless oil production unit is developed in the light of the shortcomings of the commonly - used tubingless oil production unit
文摘:國內常用的無油管採油裝置在使用過程中易造成泵砂埋或泵下移，影響正常作業。
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