Hydraulic-type cutter is used within the loop drilling fluid to drive hydraulic pipe cutter for cutting
tools, in addition to coupling can be in any area outside the cut.
the implementation of standard products：SY/T5070-2002
Hydraulic inner cutter product model and the main parameters
|
Type |
Tool diameter mm |
Joints connecting thread |
Cutting off the fish |
Axial push knife edgeKN |
|
ND－S140×95 |
95 |
27/8REG |
139.7(51/2)Casing |
4～10 |
|
ND－S178×120 |
120 |
NC31 |
177.8(7)Casing |
4～10 |
