AT197767B - Method and device for producing boreholes, preferably boreholes with a large diameter - Google Patents

Method and device for producing boreholes, preferably boreholes with a large diameter

Info

Publication number
AT197767B
AT197767B AT197767DA AT197767B AT 197767 B AT197767 B AT 197767B AT 197767D A AT197767D A AT 197767DA AT 197767 B AT197767 B AT 197767B
Authority
AT
Austria
Prior art keywords
boreholes
large diameter
producing
producing boreholes
preferably boreholes
Prior art date
Application number
Other languages
German (de)
Original Assignee
Deilmann C Bergbau Gmbh
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 Deilmann C Bergbau Gmbh filed Critical Deilmann C Bergbau Gmbh
Application granted granted Critical
Publication of AT197767B publication Critical patent/AT197767B/en

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
    • E21B4/00—Drives for drilling, used in the borehole

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)
AT197767D 1957-03-23 1957-03-23 Method and device for producing boreholes, preferably boreholes with a large diameter AT197767B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT197767T 1957-03-23

Publications (1)

Publication Number Publication Date
AT197767B true AT197767B (en) 1958-05-27

Family

ID=3667896

Family Applications (1)

Application Number Title Priority Date Filing Date
AT197767D AT197767B (en) 1957-03-23 1957-03-23 Method and device for producing boreholes, preferably boreholes with a large diameter

Country Status (1)

Country Link
AT (1) AT197767B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161243A (en) * 1960-07-22 1964-12-15 Frank F Davis Drilling system with plural below ground motors
US3195661A (en) * 1959-10-15 1965-07-20 Gas Drilling Services Co Large bore hole drilling apparatus
US3310124A (en) * 1964-04-13 1967-03-21 John T Farmer Method and apparatus of excavation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195661A (en) * 1959-10-15 1965-07-20 Gas Drilling Services Co Large bore hole drilling apparatus
US3161243A (en) * 1960-07-22 1964-12-15 Frank F Davis Drilling system with plural below ground motors
US3310124A (en) * 1964-04-13 1967-03-21 John T Farmer Method and apparatus of excavation

Similar Documents

Publication Publication Date Title
AT276192B (en) Method and device for the production of fiber rods
AT206119B (en) Method and device for the production of adhesive spreads of limited area
AT295128B (en) Device for the production of hollow bodies with a neck
CH480480A (en) Method and device for the production of uniform nonwovens
AT308699B (en) Method and device for the production of fiber webs
CH387285A (en) Method and device for the production of openwork plastic films and plastic nets
AT293156B (en) Method and device for the production of fiber granulates
CH377786A (en) Method and device for the production of single-crystal rods
CH400509A (en) Method and device for the production of honeycomb beams
AT284430B (en) Method and device for the production of plastic containers
AT253203B (en) Method and device for the production of hollow components filled with a filler
CH387450A (en) Method for producing blueprint material
AT255041B (en) Method and device for the production of flat glass
AT254421B (en) Method and device for the production of flat glass
AT197767B (en) Method and device for producing boreholes, preferably boreholes with a large diameter
AT260741B (en) Method and device for the production of loop yarn
AT253763B (en) Method and device for the production of pipes provided with transverse grooves made of thermoplastic material
AT288585B (en) Method and device for the production of synthetic, thermoplastic threads with fixed crimp
CH477351A (en) Method and device for the production of thread spools with conical ends
AT264030B (en) Method and device for the production of flat glass
CH345782A (en) Method and device for the production of bare rod material
CH373066A (en) Method and device for the production of liquid nitrogen
CH462091A (en) Method and device for the production of fiber mats
CH457847A (en) Method and device for the continuous production of heat-insulating material
CH360771A (en) Method and device for the production of foam glass