Inclined spudding tests with ring style bit.
Results of inclined spudding tests. Note: bit walking until securing a toe hold to make hole.
[ Back to Hammer Drill System |
| Contents of the Semiannual Report, No. 2, June-November 1996 |
| Program Updates | New Initiatives | Project Summaries | Laboratory Working Groups |
| Panel Recommendations | Appendixes |
| Semiannual Report, No. 1, December-May 1996 ]