Drill Collar Slips Type A are multi-segment slips. They can accommodate the changes of outer diameter after the abrasion of drill collar. They are with light weight, large handling scale and reliable quality. This kind of slips are designed and manufactured according to API Spec 7K.
Model |
Model A |
DC OD |
in |
3- 41/2 |
31/4- 43/4 |
41/4- 53/4 |
51/2- 7 |
63/4- 81/4 |
81/4- 10 |
10- 113/4 |
mm |
76.2- 114.3 |
82.55- 120.65 |
107.95- 146.05 |
139.7- 177.8 |
171.5- 209.55 |
209.55- 254 |
254- 298.45 |
Use in insert bowl No. |
API or No.3 |
No.2 |
|