Drill Collars - Standard and Spiral

The drill collar is not only the most common member in the BHA, it is also the most critical to its overall performance. The care taken in materials specification, heat treat, machining and inspection are only a few of the reasons Smith Services drill collars outperform the competition. By helping our customers select the optimum connections and the right optional features, Smith Services combines the right product with the best advice for trouble-free BHA performance. (more...)