LT-T Releasing and Circulating Overshot

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  • There are two types of Overshots: Short Catch Overshot, Releasing and Circulating Overshot.
  • Connection made by API 5DP, API 5B and GOST.
  • Short Catch Overshot is used for catching short length fish which the stuck point is closed or above the coupling, such as tubing, drill pipe, sucker rod and subs.
  • Releasing and Circulationg Overshot can fish the pipes externally. It can catch drill collar, drill pipe, tubing, subs and other pipes.
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Description

LT-T Releasing and Circulating Overshot

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.

Type OD Max. catch size (mm) Thread Type Type OD Max. catch size (mm) Thread Type
LT-T89 89 60.3 47.6 NC26 LT-T194 194 159 141 NC50
LT-T92 92 73 63.5 NC26 LT-T200 200 159 141 NC50
LT-T95 95 76.2 66.6 NC26 LT-206 206 178 163 NC50
LT-T102 102 73 60.3 NC26 LT-T 206 206 168 152 NC50
LT-T105 105 85.2 73 NC31 LT-T219 219 178 159 NC50
LT-T114 114 89 758 NC31 LT-T232 232 203 187 NC50
LT-T117 117 89 78 NC31 LT-T244 244 206 184 65/8REG
LT-T127 127 95 80 NC38 LT-T260. 260 219 200 65/8REG
LT-T143 143 120.6 102 NC38 LT-270 270 228.6 209.6 65/8REG
LT-T152 152 128 111 NC38 LT-T273 273 241.3 216 65/8REG
LT-T168 168 127 114 NC50 LT-T286 286 244.5 225.4 65/8REG
LT-T168B 168 139.7 120.6 NC50 LT-T298 298 257 238.1 65/8REG
LT-T181 181 146 127 NC50 LT-T340 340 286 260 65/8REG

 

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