油管接箍打捞矛油管接箍打捞矛用于油气田修井过程中，打捞带有油管内螺纹的落鱼。TubingCollarSpearTubingcollarspearisusedtocatchfisheswhichh***einnerthreadinworkoverofoilandgasThetubingcollarspearissimpleinstructure,safeandreliableinuse,convenientoperation.油管接箍打捞矛技术参数SpecificationofTubingCollarSpear型号Type***大直径MaxO.D(mm)被打捞油管的公称直径O.DofFishedTubing接头螺纹代号Connection许用载荷Allowableload(KN)BLM4880482-3/8TBG300BLM6085602-3/8TBG320BLM7392732-7/8TBG410BLM8995892-7/8TBG630BLM102108102NC31630BLM114120114NC31805)