共 50 条
- [27] Development of a new steerable PDC bit for directional drilling JOURNAL OF PETROLEUM TECHNOLOGY, 1998, 50 (12): : 30 - 31
- [30] EVOLUTION OF POLYCRYSTALLINE DIAMOND COMPACT BIT DESIGNS FOR ROCKY-MOUNTAIN DRILLING JOURNAL OF PETROLEUM TECHNOLOGY, 1985, 37 (08): : 1213 - 1219