BE556431A - - Google Patents
Info
- Publication number
- BE556431A BE556431A BE556431DA BE556431A BE 556431 A BE556431 A BE 556431A BE 556431D A BE556431D A BE 556431DA BE 556431 A BE556431 A BE 556431A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft
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- 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
- E21B10/00—Drill bits
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
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- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED22341A DE1161524B (de) | 1956-02-18 | 1956-02-18 | Verfahren und Vorrichtung zur Herstellung von Bohrschaechten und aehnlichen Bohrungen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE556431A true BE556431A (de) | 1957-04-30 |
Family
ID=7037419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE556431D BE556431A (de) | 1956-02-18 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE556431A (de) |
DE (1) | DE1161524B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3205954A (en) * | 1963-06-05 | 1965-09-14 | Socony Mobil Oil Co Inc | Method for drilling a borehole |
FR2357723A1 (fr) * | 1976-07-05 | 1978-02-03 | Inst Gornorudnogo Mashinostr | Elargisseur de puits |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2946873C2 (de) * | 1979-11-21 | 1983-09-29 | Alfons 6000 Frankfurt Eul | Drehangetriebenes Erdbohrgerät |
DE3103336C2 (de) * | 1981-01-31 | 1982-12-02 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz | Verfahren und Vorrichtung zum Niederbringen von Richtbohrungen |
JP3241235B2 (ja) * | 1995-05-01 | 2001-12-25 | 株式会社ヒメノ | 孔掘削工法及び孔掘削装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR508626A (fr) * | 1919-11-17 | 1920-10-19 | Jean Antoine Romeuf | Cloche de forage |
US1941723A (en) * | 1931-04-29 | 1934-01-02 | Voet E Stroud | Straight hole drilling device |
CH308841A (de) * | 1951-03-29 | 1955-08-15 | Wohlmeyer Josef | Verfahren und Maschine zum Bohren von Stollen, Tunnels, Kanälen, Schächten und dergleichen. |
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0
- BE BE556431D patent/BE556431A/xx unknown
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1956
- 1956-02-18 DE DED22341A patent/DE1161524B/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3205954A (en) * | 1963-06-05 | 1965-09-14 | Socony Mobil Oil Co Inc | Method for drilling a borehole |
FR2357723A1 (fr) * | 1976-07-05 | 1978-02-03 | Inst Gornorudnogo Mashinostr | Elargisseur de puits |
Also Published As
Publication number | Publication date |
---|---|
DE1161524B (de) | 1964-01-23 |