可退式卡瓦打捞筒可退式卡瓦打捞筒是打捞光滑外径落鱼强有力的工具。它是根据钻铤、钻杆、油管接头，接箍和其它井用管子的外径尺寸而设计的，这样就组成了抓捞落鱼外径的打捞工具专门系列。根据用途的不同,配有加长短节、壁钩、加大引鞋等附件。该工具其系列功能完备，抓捞可靠，有密封结构，抓住落鱼后能进行高压泥浆循环，若抓住的落鱼被卡需要释放时是很容易退出的。ReleasableSlipOvershotReleasableSlipOvershotisthemosteffectivetoolthroughfishingouterdiameterofpipe,usedforcatchthefishwith***oothexternaldiameter.ThesizesoftheovershotaredesignedinaccordancewiththeO.Dofdrillcollar,drillpipe,oiltubeaswellascollarsofthemandh***eformedacompleteseriesforfishing.Accordingtodifferentapplication,itmaybeequippedwithsomeaccessories,suchasextensionsub,wallhook,oversizeguide,etc.Duetoitscompletefunction,compactstructure,itissafeandreliableinuse.Itssealingstructuremayeffecthigh-pressuremudcirculationafterafishisgripped.Ifthegrippedfishwasstuck,itcouldbereleasedeasily.Theovershotcomeswithawiderangeof***ailableaccessoriesandhasbeenproventobethemostversatileandreliableinthefield.钻井用卡瓦打捞筒技术参数SpecificationofReleasableSlipOvershot型号Type外径O.D(mm)***大落鱼尺寸(mm)MaxSizeofFish螺纹APIConnection型号Type外径(mm)O.D***大落鱼尺寸(mm)MaxSizeofFish螺纹APIConnection螺瓦SpiralGrapple篮瓦BasketGrapple螺瓦SpiralGrapple篮瓦BasketGrappleLT-T898960.347.6NC26LT-T194194159141NC50LT-T92927363.5NC26LT-T200200159141NC50LT-T959576.266.6NC26LT-T206206178163NC50LT-T1021027360.3NC26LT-T206A206168152NC50LT-T10510585.773NC31LT-T219219178159NC50LT-T1141148975NC31LT-T232232203187NC50LT-T1171178978NC31LT-T24424420618465/8REGLT-T1271279580NC38LT-T26026021920065/8REGLT-T143143120.6102NC38LT-T270270228.6209.665/8REGLT-T152152128111NC38LT-T273273241.321665/8REGLT-T168168127114NC50LT-T286286244.5225.465/8REGLT-T168B168139.7120.6NC50LT-T298A298257238.165/8REGLT-T181181146127NC50LT-T34034028626065/8REG修井用卡瓦打捞筒技术参数SpecificationofSlipFishingOvershotforWorkover型号Type外径O.D.(mm)打捞范围(mm)FishingRange接头螺纹ConnectionAPI型号Type外径O.D.(mm)打捞范围(mm)FishingRange接头螺纹ConnectionAPI螺瓦Spiralslip篮瓦Basketslip螺瓦Spiralslip篮瓦BasketslipLT-T/S-489548-55≤48NC26LT-T/S-8912789-95≤98NC38LT-T/S-6010260-66≤6127/8″REGLT-T/S-102140101-108≤102NC38LT-T/S-7311473-79≤73NC31LT-T/S-114152114-121≤114NC38)