共 50 条
- [44] CLOSED DRILLING MUD SYSTEM FOR TODAY'S DRILLING. Proceedings, Annual Meeting - Minnesota Section, AIME, 1600,
- [45] Statistical Study of Drilling Rate Calculation in Percussive Drilling. Glueckauf-Forschungshefte, 1976, 37 (01): : 5 - 12
- [46] ULTRASONIC INSPECTION OF THE WELDS IN DRILLING COLLARS FOR OIL DRILLING. Wusun Jiance/Nondestructive Testing, 1986, 8 (01): : 15 - 18