FR1338995A - Improved drilling method and apparatus - Google Patents
Improved drilling method and apparatusInfo
- Publication number
- FR1338995A FR1338995A FR907731A FR907731A FR1338995A FR 1338995 A FR1338995 A FR 1338995A FR 907731 A FR907731 A FR 907731A FR 907731 A FR907731 A FR 907731A FR 1338995 A FR1338995 A FR 1338995A
- Authority
- FR
- France
- Prior art keywords
- drilling method
- improved drilling
- improved
- drilling
- 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
- 238000000034 method 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
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 |
---|---|---|---|
FR907731A FR1338995A (en) | 1962-08-24 | 1962-08-24 | Improved drilling method and apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR907731A FR1338995A (en) | 1962-08-24 | 1962-08-24 | Improved drilling method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1338995A true FR1338995A (en) | 1963-10-04 |
Family
ID=8785698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR907731A Expired FR1338995A (en) | 1962-08-24 | 1962-08-24 | Improved drilling method and apparatus |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1338995A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3682258A (en) * | 1970-06-22 | 1972-08-08 | Hughes Tool Co | Rotary-percussion gang drill with circumferentially floating offset bits |
US4071100A (en) * | 1975-05-29 | 1978-01-31 | Wibom Gustaf H O | Method of making holes of selected external configuration in preferably rock or ground formation, and a drilling machine for carrying out the method |
DE2758385A1 (en) * | 1977-12-28 | 1979-08-16 | Klemm Bohrtech | Hammer boring arrangement for large diameter holes - has support ring for hammers in circle with one eccentrically arranged hammer |
-
1962
- 1962-08-24 FR FR907731A patent/FR1338995A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3682258A (en) * | 1970-06-22 | 1972-08-08 | Hughes Tool Co | Rotary-percussion gang drill with circumferentially floating offset bits |
US4071100A (en) * | 1975-05-29 | 1978-01-31 | Wibom Gustaf H O | Method of making holes of selected external configuration in preferably rock or ground formation, and a drilling machine for carrying out the method |
DE2758385A1 (en) * | 1977-12-28 | 1979-08-16 | Klemm Bohrtech | Hammer boring arrangement for large diameter holes - has support ring for hammers in circle with one eccentrically arranged hammer |
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