油(you)(you)管(guan)頭(tou)(tou)(tou)四通(tong)安(an)裝(zhuang)在(zai)套(tao)管(guan)頭(tou)(tou)(tou)四通(tong)頂(ding)部,在(zai)最后(hou)的套(tao)管(guan)安(an)裝(zhuang)完(wan)畢以后(hou),在(zai)安(an)裝(zhuang)油(you)(you)管(guan)頭(tou)(tou)(tou)四通(tong),來提供一個負荷臺階支撐油(you)(you)管(guan)柱并且(qie)為(wei)油(you)(you)管(guan)懸掛(gua)器或者生產套(tao)管(guan)/油(you)(you)管(guan)環形空間密封提供密封孔。當完(wan)井之后(hou),采油(you)(you)樹(shu)通(tong)過連接油(you)(you)管(guan)頭(tou)(tou)(tou)異徑接頭(tou)(tou)(tou)再安(an)裝(zhuang)到油(you)(you)管(guan)頭(tou)(tou)(tou)四通(tong)頂(ding)部法蘭上(shang)
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