Mechanical outer cutter is a column from the downhole tool within a special tube cutting, in
addition to coupling can be in any area outside the cut, the cutting can be connected back to the
wall-type spear fishing knife, including cutting the top, so after cutting , will be made once the
upper column.
the implementation of standard products：：SY/T5070-2002
product type and main parameters
|
Type |
Dimensions mm |
Joints connecting thread |
Cutting diameter of fishmm |
Axial push knife edgeKN |
|
ND-J73×55 |
Φ55×584 |
1.900TBG |
73 |
3～5 |
|
ND-J89×65 |
Φ65×600 |
1.900TBG |
89 |
3～5 |
|
ND-J102×72 |
Φ72×700 |
2 3/8TBG |
102 |
4～10 |
|
ND-J114×90 |
Φ90×784 |
Nc26 |
114 |
4～10 |
|
ND-J127×105 |
Φ105950 |
Nc31 |
127 |
4～10 |
|
ND-J140×105 |
Φ105×950 |
Nc31 |
140 |
4～10 |
|
ND-J146×105 |
Φ105×950 |
Nc31 |
146 |
4～10 |
|
ND-J168×138 |
Φ138×1138 |
Nc38 |
168 |
4～10 |
|
ND-J178×138 |
Φ138×1138 |
Nc38 |
178 |
4～10 |
|
ND-J193×150 |
Φ150×1250 |
Nc50 |
193 |
4～10 |
|
ND-J219×150 |
Φ150×1250 |
Nc50 |
219 |
10～30 |
|
ND-J245×190 |
Φ245×1475 |
6 5/8REG |
245 |
10～30 |
