In drilling and work over opersation, releasing spear is a tool mainly used for fishing of drill pipe, tubing and casing from fish hoe. It can be euipped with internal cutter, bumper jar, etc.Type Mandrel OD Catch size Thread Allowed load (KN) LM-T 60 89 47.4~51.8 NC26 270 LM-T 73 105 57.4~62 NC31 380 LM-T89 121 70~77.8 NC38 650 LM-T 102 121 82~90.10 NC38 800 LM-T114 121 92.4~103.9 NC38 1000 LM-T127 162 102~115.8 NC50 1300 LM-T 140 162 118.6~127.30 NC50 1500 LM-T168 162 140.~153.7 NC50 2200 LM-T 178 162 150.4~166.1 NC50 2200 LM-T194 165 168.3~178.5 NC50 2300 LM-T 219 203 190.8~205.7 65/8REG 2300 LM-T 245 203 216.8~228.7 65/8REG 2500 LM-T273 203 240.~258.9 65/8REG 2500 LM-T 340 203 313.6~323 65/8REG 2500
