AU459409B2 - Underground rotary drill - Google Patents
Underground rotary drillInfo
- Publication number
- AU459409B2 AU459409B2 AU25084/71A AU2508471A AU459409B2 AU 459409 B2 AU459409 B2 AU 459409B2 AU 25084/71 A AU25084/71 A AU 25084/71A AU 2508471 A AU2508471 A AU 2508471A AU 459409 B2 AU459409 B2 AU 459409B2
- Authority
- AU
- Australia
- Prior art keywords
- rotary drill
- underground rotary
- underground
- drill
- rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/081—Screw-and-nut feed mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU25084/71A AU459409B2 (en) | 1971-02-05 | 1971-02-05 | Underground rotary drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU25084/71A AU459409B2 (en) | 1971-02-05 | 1971-02-05 | Underground rotary drill |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2508471A AU2508471A (en) | 1972-08-10 |
AU459409B2 true AU459409B2 (en) | 1975-03-06 |
Family
ID=3713965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU25084/71A Expired AU459409B2 (en) | 1971-02-05 | 1971-02-05 | Underground rotary drill |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU459409B2 (en) |
-
1971
- 1971-02-05 AU AU25084/71A patent/AU459409B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU2508471A (en) | 1972-08-10 |
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