API Oil Well Fishing Tool Die Collar
Die Collar is an external fishing tool which is engaged on the outside wall of tubing objects, such as oil tubing and drill pipe.It is used to fish the cylinder junks which have no inner bore or the inner bore is blank off.Die collar can work with right and left hand thread drill pipe and other tools.It can be used in different fishing process.The fishing thread is 5 threads per inch,taper 1:6.The hard and shape edge of fishing threads can make threads easily.When the fish enters in die collar,it made the thread on outside of fish by rotating the drilling tools.
Specification
Model | Sub OD mm(in) | Conn. | Wicker Rnage mm(in) |
MZ-NC31 | 105(4 4/8) | NC31 | 89-93(3 1/2-3 11/16) |
MZ-NC38 | 121(4 3/4) | NC38 | 90-110(3 9/16-4 5/16) |
MZ-NC50 | 165(6 1/2) | NC50 | 120-135(4 3/4-5 5/16) |
MZ-NC61 | 229(9 1/32) | NC61 | 183-208(7 3/16-8 3/16) |
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