反循环打捞蓝反循环打捞蓝是捞取井底较小落物的打捞工具,如钻头牙轮、牙片、手工工具及碎铁等.钻井液可在井底造成局部反循环,因而易于打捞。另外该工具可作为特殊的取芯工具使用。ReverseCirculationJunkBasketTypeLLreversecirculationjunkbasketisafishingtoolwhichcanretrievethe***allfallenobjectssuchasbitcone,teethslice,manualtoolandjunkiron,etcfromthebottomhole.Duringoperation,drillingfluidcancauselocalreversecirculationinthebottomholesoastoputthedebrisintothefishingbasket.ItmakesworkmuchmoreeasierespeciallyadoptedPDCdrillbitduringdrilling.Inordertokeepdrillbitmaintainnormalwork,itmustbeusedtocleanthebottomholebeforedrilling.Soitisthenecessaryfishingtoolingeologicalexplorationandoilfielddrilling,otherwisethetoolcanalsobeusedasaspecialcoringtool.LLReversecirculationJunkBasketissimpleinstructure,convenientoperation,safeandreliableduringoperation,highefficiencymulti-functionpurificationatthebottomholeofawell.反循环打捞蓝技术参数SpecificationofReverseCirculationJunkBasket型号Type外径O.D.(mm)***大落物外径MaxO.D.ofFish(mm)钢球直径SteelBall(mm)接头螺纹Connection适用井径SuitableWellDiameter(mm)LL-F898960.030NC2695.0-101.6LL-F979774.530NC26107.9-114.3LL-F11011078.035NC26117.5-127.0LL-F12112190.53527/8″REG130.0-139.7LL-F13013095.540NC31142.9-125.4LL-F146146112.040NC38155.5-165.0LL-F159159121.045N***0168.0-187.3LL-F178178132.04541/2″REG190.5-209.5LL-F200200154.050N***6212.7-241.3LL-F206206156.050NC50231.0-261.0LL-F219219166.050NC50244.5-269.6LL-F232232179.550NC50244.5-269.6LL-F245245192.055NC50254.0-275.6LL-F257257195.555NC56273.0-295.5LL-F279279211.555NC56298.5-317.5LL-F286286228.65565/8″REG320.0-346.7LL-F300300251.56065/8″REG339.7-258.8LL-F330330279.460NC70349.3-406.4LL-F381381282.660NC77406.4-444.5)