LT-T Type Releasing OvershotThe releasing overshot is the special external fishing tool used for fishing drill collar, drill pipe, oil tube and other fishes in drilling and work over operation.
Specifications for drilling releasing overshot
Type | O.D.(mm) | Max. catch size (mm) | Thread API | Type | O.D.(mm) | Max. catch size (mm) | Thread API | ||
Spiral grapple | Basket grapple | Spiral grapple | Basket grapple | ||||||
LT-T89 | 89 | 60 | 47.5 | NC26 | LT-T200 | 200 | 159 | 127 | NC50 |
LT-T92 | 92 | 76 | 66.5 | NC26 | LT-T206 | 206 | 178 | 159 | NC50 |
LT-T95 | 95 | 77.5 | 68 | NC26 | LT-T219 | 219 | 178 | 162 | NC50 |
LT-T105 | 105 | 82.5 | 70.5 | NC31 | LT-T225 | 225 | 197 | 178 | NC50 |
LT-T117 | 117 | 89 | 76 | NC31 | LT-T232 | 232 | 203 | 187 | 6 5/8"REG |
LT-T127 | 127 | 95 | 79.5 | NC38 | LT-T244 | 244 | 213 | 197 | 6 5/8"REG |
LT-T143 | 143 | 121 | 108 | NC38 | LT-T254 | 254 | 225 | 206 | 6 5/8"REG |
LT-T152 | 152 | 127 | 114 | NC38 | LT-T260 | 260 | 228 | 210 | 6 5/8"REG |
LT-T162 | 162 | 133.5 | 117.5 | NC50 | LT-T273 | 273 | 241 | 225 | 6 5/8"REG |
LT-T168 | 168 | 140 | 121 | NC50 | LT-T286 | 286 | 245 | 225 | 6 5/8"REG |
LT-T178 | 178 | 146 | 127 | NC50 | LT-T340 | 340 | 286 | 254 | 7 5/8"REG |
LT-T194 | 194 | 159 | 140 | NC50 | LT-T406 | 406 | 340 | 286 | 7 5/8"REG |
Specifications for work over releasing overshot
Type | O.D.(mm) | Max. catch size (mm) | Thread API | Type | O.D.(mm) | Max. catch size (mm) | Thread API | ||
Spiral grapple | Basket grapple | Spiral grapple | Basket grapple | ||||||
LT/S-T48A | 95 | 60 | 48 | NC26,2 3/8"REG | LT/S-T89A | 127 | 95 | 73 | NC38,3 1/2"IF |
LT/S-T60 | 102 | 79 | 603 | 2 7/8"REG | LT/S-T102A | 140 | 114 | 101 | NC38,3 1/2"IF |
LT/S-T73 | 114 | 86 | 73 | NC31, 2 7/8"IF | LT/S-T114A | 152 | 127 | 114 | NC38,3 1/2"IF |
LT-T Type Releasing Overshot