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
diameter
producing
producing 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
Priority to AT197767T priority Critical
Application granted granted Critical
Publication of AT197767B publication Critical patent/AT197767B/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
AT197767D 1957-03-23 1957-03-23 Method and device for producing boreholes, preferably boreholes with a large diameter AT197767B (en)

Priority Applications (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

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