Status of down-the-hole drills in underground mining
Journal Article
·
· Trans. Soc. Min. Eng. AIME; (United States)
OSTI ID:5377219
The down-the-hole drill is becoming a more common tool in today's underground mining scene. New drilling capabilities and efficiencies are being derived as experience is gained. Ancillary equipment and bits are becoming increasingly important parts of the concept. Some presently used units, underground down-the-hole drilling units, are described.
- Research Organization:
- Meramec Mining Co., Sullivan, MO
- OSTI ID:
- 5377219
- Journal Information:
- Trans. Soc. Min. Eng. AIME; (United States), Vol. 262:4
- Country of Publication:
- United States
- Language:
- English
Similar Records
Hydraulic borehole mining for pitching coal seams. Final report. [Double drill method]
Planning and drilling geothermal energy extraction hole EE-2: a precisely oriented and deviated hole in hot granitic rock
Intermittently rotatable down hole drilling tool
Technical Report
·
Thu Jul 01 00:00:00 EDT 1982
·
OSTI ID:5377219
Planning and drilling geothermal energy extraction hole EE-2: a precisely oriented and deviated hole in hot granitic rock
Technical Report
·
Thu Apr 01 00:00:00 EST 1982
·
OSTI ID:5377219
Intermittently rotatable down hole drilling tool
Patent
·
Tue Jan 24 00:00:00 EST 1984
·
OSTI ID:5377219