反循环一把抓反循环一把抓是一种结构简单、实用的打捞工具，专门用于打捞井底不规则的小件落物,如钢球、凡尔座、螺栓、螺母、刮蜡片、钳牙、扳手、胶皮等。ReverseCirculationHydraulicCatchallReverseCirculationHydraulicCatchallutilizesthereversecirculationformedbylocaldrillingfluidnearthewellbottomtomakethecatchalldeformedtofishthecone,bearingandotherlittersatthebottomofthewellbymeansofpressureafterflushingthedebrisupatthebottomofthewall.反循环一把抓技术参数SpecificationofReverseCirculationHydraulicCatchall规格型号Type齿数(个)Teeth套管尺寸(in)SizeofFish配接扣型Thread(API)BZ95641/2″NC26BZ1086-85″NC31BZ1146-851/2″NC31BZ1408-1065/8″NC38BZ1528-107″NC38BZ16810-1275/8″NC50BZ21910-1695/8″NC50)