ATA882677A - OVERLAY DRILL RODS - Google Patents

OVERLAY DRILL RODS

Info

Publication number
ATA882677A
ATA882677A AT882677A AT882677A ATA882677A AT A882677 A ATA882677 A AT A882677A AT 882677 A AT882677 A AT 882677A AT 882677 A AT882677 A AT 882677A AT A882677 A ATA882677 A AT A882677A
Authority
AT
Austria
Prior art keywords
overlay
drill rods
drill
rods
overlay drill
Prior art date
Application number
AT882677A
Other languages
German (de)
Other versions
AT373670B (en
Original Assignee
Stenuick 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 Stenuick Gmbh filed Critical Stenuick Gmbh
Publication of ATA882677A publication Critical patent/ATA882677A/en
Application granted granted Critical
Publication of AT373670B publication Critical patent/AT373670B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
AT882677A 1976-12-20 1977-12-09 OVERLAY DRILL RODS AT373670B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762657751 DE2657751C2 (en) 1976-12-20 1976-12-20 Overlay drill pipe

Publications (2)

Publication Number Publication Date
ATA882677A true ATA882677A (en) 1978-07-15
AT373670B AT373670B (en) 1984-02-10

Family

ID=5996025

Family Applications (1)

Application Number Title Priority Date Filing Date
AT882677A AT373670B (en) 1976-12-20 1977-12-09 OVERLAY DRILL RODS

Country Status (2)

Country Link
AT (1) AT373670B (en)
DE (1) DE2657751C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824722C3 (en) * 1978-06-06 1984-01-19 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Rotary percussion drilling device
DE2924392C2 (en) * 1979-06-16 1982-09-23 Brückner Grundbau GmbH, 4300 Essen Drilling device for overlay drilling
DE3024102C2 (en) * 1980-06-27 1982-09-23 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Eccentric drilling device
DE4211059C1 (en) * 1992-04-02 1993-07-08 Nikolaus 6624 Grossrosseln De Meier
IT1391458B1 (en) * 2008-10-17 2011-12-23 Dalla Gassa Srl PUNCHING SYSTEM FOR HAMMER, BOTTOM OF THE HOLE, ECCENTRICALLY OPERATED

Also Published As

Publication number Publication date
DE2657751B1 (en) 1978-06-01
AT373670B (en) 1984-02-10
DE2657751C2 (en) 1980-10-02

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Legal Events

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