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Internal hook Laying down casing/tubing 5-1/2tubing Max.OD 114(4-1/2) mm
Descriptions of Internal hook Laying down casing/tubing 5-1/2tubing Max.OD 114(4-1/2) mm:
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. (whether internal hook insert into the ropes or other fishes), then pick up the drilling tools and the hook tooth will carry the fishes to the ground.
Specifications:
| Type | Max.OD mm(in) | Connection | Laying down casing/tubing |
| NG73 | 73(2-7/8) | 2-3/8 UP TBG | 3-1/2tubing |
| NG95 | 95(3-3/4) | NC26 | 4-1/2tubing |
| NG114 | 114(4-1/2) | NC31 | 5-1/2tubing |
| NG150 | 150(5-29/32) | NC38 | 7casing |
| NG190 | 190(7-31/64) | NC38 | 9-5/8casing |