In drilling and work over opertion,the releasing spear is a tool mainly used for fishing of drill pipe,oil pipe and casing from

In drilling and work over opertion,the releasing spear is a tool mainly used for fishing of drill pipe,oil pipe and casing from fish hole.It can be used with internal cutter ,bumper jar etc.Technical specifications and parameters

Type	Mandrel O.D (mm)	Catch size (mm)	Thread Conn.	Allowed Load (KN)
LM-T60	89	47.4-51.8	NC26	270
LM-T73	105	57.4-62	NC31	380
LM-T89	121	70-77.8	NC38	650
LM-T102	121	82-90.1	NC38	800
LM-T114	121	92.4-103.9	NC38	1000
LM-T127	162	102-115.8	NC50	1300
LM-T140	162	118.6-127.3	NC50	1500
LM-T168	162	140-153.7	NC50	2200
LM-T178	162	150.4-166.1	NC50	2200
LM-T194	165	168.3-178.5	NC50	2300
LM-T219	203	190.8-205.7	6 5/8 REG	2300
LM-T245	203	216.8-228.7	6 5/8 REG	2500
LM-T273	203	240-258.9	6 5/8 REG	2500
LM-T340	203	313.6-323	6 5/8 REG	2500