NL6410471A - - Google Patents

Info

Publication number
NL6410471A
NL6410471A NL6410471A NL6410471A NL6410471A NL 6410471 A NL6410471 A NL 6410471A NL 6410471 A NL6410471 A NL 6410471A NL 6410471 A NL6410471 A NL 6410471A NL 6410471 A NL6410471 A NL 6410471A
Authority
NL
Netherlands
Application number
NL6410471A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6410471A publication Critical patent/NL6410471A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/64Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/20Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

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)
NL6410471A 1963-09-11 1964-09-09 NL6410471A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE993263A SE320343B (enrdf_load_stackoverflow) 1963-09-11 1963-09-11

Publications (1)

Publication Number Publication Date
NL6410471A true NL6410471A (enrdf_load_stackoverflow) 1965-03-12

Family

ID=20277831

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6410471A NL6410471A (enrdf_load_stackoverflow) 1963-09-11 1964-09-09

Country Status (6)

Country Link
CH (1) CH422681A (enrdf_load_stackoverflow)
DE (1) DE1203199B (enrdf_load_stackoverflow)
FR (1) FR1407561A (enrdf_load_stackoverflow)
GB (1) GB1068638A (enrdf_load_stackoverflow)
NL (1) NL6410471A (enrdf_load_stackoverflow)
SE (1) SE320343B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1837481A1 (en) * 2006-03-24 2007-09-26 Mitsubishi Materials Corporation Drilling tool and drilling method

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1257429A (enrdf_load_stackoverflow) * 1969-05-30 1971-12-15
US4362217A (en) * 1979-10-25 1982-12-07 Frederick Fletcher Downhole shearers
SE458943B (sv) * 1984-10-10 1989-05-22 Jan Persson Koppling mellan en borrkrona och borraxel
FR2634818B1 (fr) * 1988-07-28 1992-11-06 Cogema Procede et dispositif de forage pour l'etude et l'exploitation du sous-sol
US4852672A (en) * 1988-08-15 1989-08-01 Behrens Robert N Drill apparatus having a primary drill and a pilot drill
FI95618C (fi) * 1992-12-03 1998-09-03 Jorma Jaervelae Porauslaitteisto
DE19702983C1 (de) * 1997-01-28 1998-06-04 Wirth Co Kg Masch Bohr Verfahren und Vorrichtung zum Niederbringen von Bohrlöchern, insbesondere für Schürf- und Gewinnungsbohrungen
AT408567B (de) * 1998-03-06 2002-01-25 Techmo Entw & Vertriebs Gmbh Vorrichtung zum bohren von bohrlöchern
AT500691B1 (de) * 2003-10-08 2008-07-15 Alwag Tunnelausbau Gmbh Verfahren und vorrichtung zum bohren von löchern in boden- oder gesteinsmaterial
FI123411B (fi) * 2006-12-08 2013-04-15 Terramare Oy Järjestely ja menetelmä porausta varten
CN101382044B (zh) * 2008-10-30 2013-10-23 依科瑞德(北京)能源科技有限公司 一种筒式合金钻头
AT508991B1 (de) * 2009-11-06 2012-09-15 Dywidag Systems Int Gmbh Verfahren zum bohren, insbesondere schlag- oder drehschlagbohren von löchern in boden oder gesteinsmaterial sowie vorrichtung hiefür

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1837481A1 (en) * 2006-03-24 2007-09-26 Mitsubishi Materials Corporation Drilling tool and drilling method

Also Published As

Publication number Publication date
CH422681A (de) 1966-10-31
DE1203199B (de) 1965-10-21
FR1407561A (fr) 1965-07-30
GB1068638A (en) 1967-05-10
SE320343B (enrdf_load_stackoverflow) 1970-02-09

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