The internal hook is used for fishing all kinds of ropes and other fishes from the casing or tubing, such as wire lines, logging steel pieces, paraffin cutters, etc. when internal hook inserts into the ropes or other fishes, then pick up the drilling tools and the hook tooth will carry the fishes to the ground.
Specification
Model | Max. OD mm(inch) | Conn. | Casing/Tubing Size |
NG73 | 73(2 7/8) | 2 3/8UP TBG | 3 1/2 Tubing |
NG95 | 95(3 3/4) | NC26 | 4 1/2 Tubing |
NG114 | 114(4 1/2) | NC31 | 5 1/2 Casing |
NG150 | 150(5 29/32) | NC38 | 7 Casing |
NG190 | 190(7 31/64) | NC38 | 9 5/8 Casing |