Releasing and Circulating Overshot Type LT-T
Model “LT-T” Releasing and Circulating Overshot is an external fishing tool used for catch the fish with smooth external surface. Its circulation can be carried out under high pump pressure and the fish can be released on the inside of well. According to different uses, it may be equipped with some accessories, such as extension sub, wall hook, enlarged guide, etc.
Specifications
| Model | O.D mm(in) | Max. Catch size of Spiral Grapple mm(in) | Max. Catch size of Basket Grapple mm(in) | Connection |
| LT－T86 | 86(3-3/8) | 61.9(2-7/16) | 50.8(2) | NC26 |
| LT－T89 | 89(3-1/2) | 65(2-9/16) | NC26 | |
| LT－T92 | 92(3-5/8) | 63.5(2-1/2) | 50.8(2) | NC26 |
| LT－T95 | 95(3-3/4) | 73(2-7/8) | 60.3(2-3/8) | NC26 |
| LT－T100 | 100(3-15/16) | 77.7(3-1/16) | 64(2-33/64) | NC26 |
| LT－T102 | 102(4) | 73(2-7/8) | 64(2-33/64) | NC26 |
| LT－T105 | 105(4-1/8) | 82.6(3-1/4) | 72(2-27/32) | NC31 |
| LT－T111 | 111(4-3/8) | 85.7(3-3/8) | 66.5(2-5/8) | NC26 |
| LT－T117 | 117(4-5/8) | 88.9(3-1/2) | 76.2(3) | NC31 |
| LT－T127 | 127(5) | 92.8(3-21/32) | 79.3(3-1/8) | NC38 |
| LT－T133 | 133(5-1/4) | 104.8(4-1/8) | 98.4(3-7/8) | NC38 |
| LT－T140 | 140(5-1/2) | 117.5(4-5/8) | 104.8(4-1/8) | NC38 |
| LT－T143 | 143(5-5/8) | 122(4-13/16) | 108(4-1/4) | NC38 |
| LT－T146 | 146(5-3/4) | 123.8(4-7/8) | 108(4-1/4) | NC38 |
| LT－T152 | 152(6) | 123(4-27/32) | 107(4-7/32) | NC38 |
| LT－T162 | 162(6-3/8) | 127(5) | 114.3(4-1/2) | NC46 |
| LT－T168 | 168(6-5/8) | 127(5) | 114.3(4-1/2) | NC46 |
| LT－T178 | 178(7) | 125(4-15/16) | 111.1(4-3/8) | NC46 |
| LT－T187 | 187(7-3/8) | 146.1(5-3/4) | 127(5) | NC50 |
| LT－T194 | 194(7-5/8) | 158.8(6-1/4) | 142(5-19/32) | NC50 |
| LT－T197 | 197(7-3/4) | 165.1(6-1/2) | 147.6(5-13/16) | NC50 |
| LT－T200 | 200(7-7/8) | 158.8(6-1/4) | 145(5-45/64) | NC50 |
| LT－T206 | 206(8-1/8) | 178(7) | 161.9(6-3/8) | NC50 |
| LT－T219 | 219(8-5/8) | 178(7) | 159(6-1/4) | NC50 |
| LT－T225 | 225(8-7/8) | 197(7-3/4) | 184.2(7-1/4) | NC50 |
| LT－T232 | 232(9-1/8) | 203.2(8) | 190(7-31/64) | NC50 |
| LT－T245 | 245(9-5/8) | 203.2(8) | 192(7-9/16) | 6 5/8REG |
| LT－T254 | 254(10) | 200(7-7/8) | 190.5(7-1/2) | 6 5/8REG |
| LT－T256 | 256(10-1/16) | 210(8-1/4) | 184(7-1/4) | 6 5/8REG |
| LT－T257 | 257(10-1/8) | 216(8-1/2) | 196.9(7-3/4) | 6 5/8REG |
| LT－T270 | 270(10-5/8) | 228.6(9) | 209.6(8-1/4) | 6 5/8REG |
| LT－T273 | 273(10 3/4) | 228.6(9) | 203(8) | 6 5/8REG |
| LT－T286 | 286(11-1/4) | 246(9-11/16) | 228.6(9) | 6 5/8REG |
| LT－T298 | 298(11-7/8) | 254(10) | 235(9-1/4) | 6 5/8REG |
| LT－T324 | 324(12-3/4) | 285.8(11-1/4) | 266.7(10-1/2) | 6 5/8REG |
| LT－T340 | 340(13-3/8) | 279.4(11) | 254(10) | 7 5/8REG |
| LT－T350 | 350(13-3/4) | 304.5(12) | 285.8(11-1/4) | 6 5/8REG |
| LT－T406 | 406(16) | 349.2(13-3/4) | 304.8(12) | 7 5/8REG |