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Overshots
Source:SIQUAN|[ 2014-03-12 ] Hits:1142
摘要:



Releasing and circulating overshot is LT-T type special external fishing tool used for fishing drill collar, drill pipe, tubing and other fished in drilling and work over operation. According to different uses,it may be equipped with some accessories,such as extension sub,wall hook,oversize guide, etc.
OD Range: 3 1/2”~13 3/8”
Tool Joint connection: API
Max. Catch Size(Basket): 1 7/8”~9”
Data 1(Standard type)Releasing and circulating overshot:
Type O.D. mm(in) mm(in)
Max size of fishing 
Joint thread  Type O.D. mm(in) mm(in)
Max size of fishing 
Joint thread 
Spiral slip Basket slip Spiral slip Basket slip
TL-T89 89(3 1/2) 60 51 NC26 TL-T187 178(7 1/32) 159 142 NC50
TL-T92 92(3 5/8) 73 62 NC26 TLT194 194(7 5/8) 159 142 NC50
TL-T95 95(3 3/4) 73 62 NC26 TL-T200 200(7 7/8) 159 142 NC50
LT-T102 102(4-1/32) 73 62 NC26 TL-T206 206(8 1/8) 168 152.4 NC50
TL-T105 105(4 1/8) 79 68 NC31 TL-T213 213(8 3/8) 178 160 NC50
TL-T108 108(4 1/4) 79 68 NC31 TL-T219 219(8 5/8) 178 160 NC50
TL-T114 114(4-1/2) 89 78 NC31 TL-T225 225(8 7/8) 178 160 NC50
TL-T117 117(4 5/8) 89 78 NC31 LT-T232 232(9-1/8) 178 160 NC50
TL-T127 127(5) 95 84 NC38 TL-T245 245(9 5/8) 203 185 6 5/8REG
TL-T134 134(5 1/4) 105 93 NC38 TL-T254 254(10) 203 185 6 5/8REG
TL-T140 140(5 1/2) 114.3 100 NC38 TL-T260 260(10 1/4) 219 200 6 5/8REG
TL-T143 143(5 5/8) 114.3 100 NC38 TL-T273 273(10 3/4) 229 212 6 5/8REG
TL-T152 152(5) 121 108 NC38 TL-T286 286(11 1/4) 245 229 6 5/8REG
TL-T162 162(6 3/8) 127 114.3 NC46 LT-T298 298(11-3/4) 245 229 6-5/8REG
TL-T168 168(6 5/8) 127 114.3 NC50 TL-T340 340(13 3/8) 280 254 7 5/8REG
Data 2(Non-standard type)Releasing and circulating overshot: 
Type O.D. mm(in) mm(in)
Max size of fishing 
Joint thread  Type O.D. mm(in) mm(in)
Max size of fishing 
Joint thread 
Spiral slip Basket slip Spiral slip Basket slip
TL-T115F 115 93.2 79 NC31 TL-T229F 229(9) 197 178 NC50
TL-T117F 117(4 5/8) 95.3 81 NC31 LT-T232F 232(9-1/8) 197 179 NC50
TL-T143F 143(5 5/8) 121 105 NC38 LT-T232FA 232(9-1/8) 203 182 NC50
TL-T146F 143(5 5/8) 121 105 NC38 LT-T241F 241(9-1/2) 203 182 NC50
TL-T149F 149(5 7/8) 127 108 NC38 TL-T254F 254(10) 219 200 6 5/8REG
TL-T152F 152(5) 127 108 NC38 TL-T286F 286(11 1/4) 229 212 6 5/8REG
TL-T200F 200(7 7/8) 168 148 NC50 LT-T302F 302 254 235 6 5/8REG
TL-T206F 206(8 1/8) 178 160 NC50 TL-T350F 350(13 3/4) 300 280 7 5/8REG
TL-T213F 213(8 3/8) 184 168 NC50 TL-T396F 396(15 5/8) 365 340 7 5/8REG
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