The main reason is that cavitation erosion occurred in pervasion pipe of lubricator.

經檢查發(fā)現,主要原因是注油器擴散管汽蝕,以致注油器工作不正常,潤滑油壓偏低.

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Pay close attention to the conditions of lubricator and down - hole SSV, etc. during operation.

作業(yè)期間,密切注意防噴管工作狀況, 井下安全閥壓力等.

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