setting collar 中文意思是什麼
setting collar
解釋
坐放箍-
Sq - a setting - ball carrier assembly is system which can help hydraulic liner hanger to hang liner in horizontal or high - deviated wells. it comprises setting - ball carrier, latch collar and baffle
一種幫助液壓尾管懸掛器在大斜度井及水平井中座掛的特殊裝置,與尾管懸掛器配套使用,可保證尾管固井的順利完成。由送球器、鎖緊座、擋板組成。
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