共 50 条
- [2] BLASTHOLE DRILLING ECONOMICS: A LOOK AT THE COSTS BEHIND THE COSTS. Engineering and Mining Journal, 1977, 178 (06): : 168 - 170
- [6] DIAMOND BIT DRILLING RESEARCH JOURNAL OF ENGINEERING FOR INDUSTRY-TRANSACTIONS OF THE ASME, 1973, 95 (01): : 256 - 262
- [8] ROCK BIT TECHNOLOGY - EFFECT ON DRILLING COSTS JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY, 1976, 15 (01): : 64 - 68