可退式倒扣捞筒DLT-T型可退式倒扣捞筒是集各种捞筒，母锥等工具之优点为一体的打捞工具。是用来倒出并打捞井下钻杆、油管等管状落鱼的工具。既可用于打捞、倒扣，又可释放落鱼，还能进行洗井液循环。在打捞作业中，倒扣捞筒是倒扣器的重要配套工具之一。DLT-TReleasableLeft-handOvershotDLT-TReleasableLeft-handOvershotisafishingtoolwhichintegratingvariousfishingpipes,boxtapetc,andretrievespipe-shapedfishesoutofdrillpipe,oiltube.Whennecessary,itcanreleasethefishandcirculatedrillingfluid.Duringoperation,itisoneofanimportantmatingtoolsinreversingtools.DLT-TReleasingLeft-handOvershotiscomplicatedinstructurebutcompactanditisabitmoredifficulttoproduce.Tensileloadandreversingtorquearebigger.Inthelightofitsflexiblemotion,reliableperformance,iteffectsahigh-efficiencysuccessrate.可退式倒扣捞筒规格参数SpecificationofReleasableandreversingOvershot:型号type外径O.D.(mm)落鱼尺寸catchsize(mm)允许拉力allowablepulling(KN)起始拉力及相应扭矩startpullingforceandTorque螺纹(LH)threadconn.拉力(KN)TensileForce扭矩(N.m)TorqueDLT-T489548.3250117.7308927/8REGDLT-T6010560.3，63.5350147.15737NC31DLT-T7311473，75，78.6420176.57750NC31DLT-T8913488.9，93.2500176.510233NC38DLT-T10214598，101.670019611032NC38DLT-T114160114.389019612151NC38)