Drill Collar Inventory
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| Drill Collar – 7 OD (in)<- Click to add notes. | |
| Drill Collar – 7 1/4 OD (in)<- Click to add notes. | |
| Drill Collar – 8 OD (in)<- Click to add notes. | |
| Drill Collar – 8 1/2 OD (in)<- Click to add notes. | |
| Drill Collar – 8 1/4 OD (in)<- Click to add notes. | |
| Drill Collar – 9 1/2 OD (in)<- Click to add notes. | |
| Drill Collar – 10 OD (in)<- Click to add notes. | |
| Drill Collar – 11 OD (in)<- Click to add notes. |

