AT314445B - Bohrverfahren - Google Patents

Bohrverfahren

Info

Publication number
AT314445B
AT314445B AT497872A AT497872A AT314445B AT 314445 B AT314445 B AT 314445B AT 497872 A AT497872 A AT 497872A AT 497872 A AT497872 A AT 497872A AT 314445 B AT314445 B AT 314445B
Authority
AT
Austria
Prior art keywords
drilling method
drilling
Prior art date
Application number
AT497872A
Other languages
English (en)
Original Assignee
Boehler & Co Ag Geb
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 by Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Application granted granted Critical
Publication of AT314445B publication Critical patent/AT314445B/de

Links

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
    • 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
    • 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
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
    • 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/001—Cooling arrangements
    • 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

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)
AT497872A 1972-04-08 1972-06-09 Bohrverfahren AT314445B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722216920 DE2216920A1 (de) 1972-04-08 1972-04-08 Bohrverfahren

Publications (1)

Publication Number Publication Date
AT314445B true AT314445B (de) 1974-04-10

Family

ID=5841335

Family Applications (1)

Application Number Title Priority Date Filing Date
AT497872A AT314445B (de) 1972-04-08 1972-06-09 Bohrverfahren

Country Status (5)

Country Link
AT (1) AT314445B (de)
CH (1) CH556955A (de)
DE (1) DE2216920A1 (de)
FR (1) FR2179794B1 (de)
IT (1) IT980449B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19953819A1 (de) * 1999-11-09 2001-05-10 Zueblin Ag Kombination aus HDI-Verfahren und Bodenvereisung zur Herstellung von Dichtwänden

Also Published As

Publication number Publication date
FR2179794B1 (de) 1974-05-17
FR2179794A1 (de) 1973-11-23
DE2216920A1 (de) 1973-10-11
IT980449B (it) 1974-09-30
CH556955A (de) 1974-12-13

Similar Documents

Publication Publication Date Title
DE2233125C2 (de) Bohrmaschine
IT973315B (it) Utensile
BR7308355D0 (pt) Martelete de perfuracao
NL155334B (nl) Boortoren.
SE401643B (sv) Strengsprutningsverktyg
AT328352B (de) Gesteinsbohrer
NO146443C (no) Skjoet for boreroer
SE407255B (sv) Borrsystem
IT990430B (it) Trapano battente
BR7308419D0 (pt) Conjunto de alimentacao de cordoes
IT1012084B (it) Procedimento perfezionato di trivellazione
IS1013B6 (is) Tæki til borunar
AT314445B (de) Bohrverfahren
SU418603A1 (de)
SE404055B (sv) Sker for markborrning
DD95613A1 (de) Drilleiter
ATA280972A (de) Werkzeug
IT981480B (it) Benzimidazoli sostituiti
MX143300A (es) Metodo de perforacion mejorado
BR7303725D0 (pt) Descensor lento
SU459193A1 (ru) Способ корчевки пней
AT327845B (de) Bohrvorrichtung
SU495940A1 (ru) Способ балансировки
SU474402A1 (ru) Цанговый патрон
SU459580A1 (ru) Устройство дл бурени скважин

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee