Releasing Spear

: http://taishangrass.com/13-1-2-ts-ion-releasing-grass.html

During drilling and workover operations, the releasing spear is primarily used for fishing drill pipes, oil pipes and casings. The fishing tool can be used with an internal cutter,bumper jar, etc.

Specifications

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	105	70-77.8	NC31	650
LM-T102	105	82-90.1	NC31	800
LM-T114	105	92.4-103.9	NC31	1000
LM-T127	121	102-115.8	NC38	1300
LM-T140	121	118.6-127.3	NC38	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