BE556431A - - Google Patents

Info

Publication number: BE556431A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1956-02-18

Publication date

1957-04-30

1957-04-30 Publication of BE556431A publication Critical patent/BE556431A/xx

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
- 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
- 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
- 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
- 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)

BE556431D 1956-02-18 BE556431A (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

0
- BE BE556431D patent/BE556431A/xx unknown
1956
- 1956-02-18 DE DED22341A patent/DE1161524B/de active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
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

Publication	Publication Date	Title
AT197311B (de)	1958-04-25
AT202855B (de)	1959-04-10
DE1066289B (de)
AT199361B (de)	1958-08-25
AT198114B (de)	1958-06-10
AT202354B (de)	1959-03-10
AT197702B (de)	1958-05-27
AT202279B (de)	1959-02-25
AT196732B (de)	1958-03-25
AT195843B (de)	1958-02-25
AT201309B (de)	1958-12-27
AT194202B (de)	1957-12-27
AT198988B (de)	1958-08-11
AT198843B (de)	1958-07-25
AT193789B (de)	1957-12-10
AT197107B (de)	1958-04-10
AT199904B (de)	1958-10-10
AT194662B (de)	1958-01-10
AT201021B (de)	1958-12-10
AT194974B (de)	1958-01-25
AT194993B (de)	1958-01-25
AT198966B (de)	1958-08-11
AT201431B (de)	1959-01-10
AT195164B (de)	1958-01-25
AT195165B (de)	1958-01-25

BE556431A - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (1)

Family

ID=7037419

Family Applications (1)

Country Status (2)

Cited By (2)

Families Citing this family (3)

Family Cites Families (3)

Cited By (2)

Also Published As

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