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Mechanical internal cutter is a tool which is used for cutting downhole fixed (or stuck) pipe from inner of casing, it can work at any place except joint and coupling.
Model | Cutter OD | Casing/Tubing Size | Cutting Thickness | Connection |
mm (inch) | inch | mm | ||
ND73 | 57 (2-15/64) | 2-7/8 | 5.5 | 1.9TBG |
ND89 | 67 (2-41/64) | 3-1/2 | 6.5 | 1.9TBG |
ND102 | 85 (3-11/32) | 4 | 5.7 ~ 6.7 | 2-3/8TBG |
ND114 | 89 (3-1/2) | 4-1/2 | 7.4-10.9 | 2-3/8TBG |
ND127 | 102 (4-1/64) | 5 | 5.59-11 | 2-7/8REG |
ND140 | 120 (4-23/32) | 5-1/2 | 7-9.2 | NC31 |
ND 168 | 149 (5-7/8) | 6-5/8 | 7.3〜8.9 | NC38 |
ND178 | 146 (5-3/4) | 7 | 5.87- 13.72 | 牛 1/2REG |
ND244 | 212(8-11/32) | 9-5/8 | 7.92- 13.84 | 6-5/8REG |
ND340 | 295 (11-39/64) | 13-3/8 | 8.38- 12.19 | 6-5/8REG |
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