AU7445474A - Hydraulically operated rotary percussive drilling apparatus - Google Patents
Hydraulically operated rotary percussive drilling apparatusInfo
- Publication number
- AU7445474A AU7445474A AU74454/74A AU7445474A AU7445474A AU 7445474 A AU7445474 A AU 7445474A AU 74454/74 A AU74454/74 A AU 74454/74A AU 7445474 A AU7445474 A AU 7445474A AU 7445474 A AU7445474 A AU 7445474A
- Authority
- AU
- Australia
- Prior art keywords
- hydraulically operated
- drilling apparatus
- operated rotary
- percussive drilling
- rotary percussive
- 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
- 238000005553 drilling Methods 0.000 title 1
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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
-
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H43/00—Other fluid gearing, e.g. with oscillating input or output
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR73405 | 1973-11-07 | ||
FR7340572A FR2250014A1 (en) | 1973-11-07 | 1973-11-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU482693B2 AU482693B2 (en) | 1976-04-29 |
AU7445474A true AU7445474A (en) | 1976-04-29 |
Family
ID=
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU569746B2 (en) * | 1983-06-14 | 1988-02-18 | Oy Tampella Ab | Feed control for a rock drill |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU569746B2 (en) * | 1983-06-14 | 1988-02-18 | Oy Tampella Ab | Feed control for a rock drill |
Also Published As
Publication number | Publication date |
---|---|
JPS5078970A (en) | 1975-06-27 |
ZA746322B (en) | 1975-11-26 |
IT1023090B (en) | 1978-05-10 |
NL7413617A (en) | 1975-05-12 |
JPS5343362B2 (en) | 1978-11-18 |
BE821969A (en) | 1975-03-03 |
DE2452455A1 (en) | 1975-05-15 |
SE7414004L (en) | 1975-05-09 |
GB1468387A (en) | 1977-03-23 |
ES431349A1 (en) | 1976-11-01 |
FR2250014A1 (en) | 1975-05-30 |
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