ATA44681A - DRILL RODS FOR A COUNTERBORE TOOL - Google Patents

DRILL RODS FOR A COUNTERBORE TOOL

Info

Publication number
ATA44681A
ATA44681A AT44681A AT44681A ATA44681A AT A44681 A ATA44681 A AT A44681A AT 44681 A AT44681 A AT 44681A AT 44681 A AT44681 A AT 44681A AT A44681 A ATA44681 A AT A44681A
Authority
AT
Austria
Prior art keywords
drill rods
counterbore tool
counterbore
tool
drill
Prior art date
Application number
AT44681A
Other languages
German (de)
Other versions
AT371562B (en
Inventor
Heinrich Manten
Original Assignee
Salzgitter Maschinen Ag
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 Salzgitter Maschinen Ag filed Critical Salzgitter Maschinen Ag
Publication of ATA44681A publication Critical patent/ATA44681A/en
Application granted granted Critical
Publication of AT371562B publication Critical patent/AT371562B/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18—Pipes provided with plural fluid passages

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)
  • Earth Drilling (AREA)
AT44681A 1980-04-24 1981-02-02 DRILL RODS FOR A LOWER HOLE TOOL THAT CAN BE INSERTED INTO A HOLE AT371562B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803015695 DE3015695A1 (en) 1980-04-24 1980-04-24 DRILL RODS FOR A COUNTERBURNING TOOL

Publications (2)

Publication Number Publication Date
ATA44681A true ATA44681A (en) 1982-11-15
AT371562B AT371562B (en) 1983-07-11

Family

ID=6100777

Family Applications (1)

Application Number Title Priority Date Filing Date
AT44681A AT371562B (en) 1980-04-24 1981-02-02 DRILL RODS FOR A LOWER HOLE TOOL THAT CAN BE INSERTED INTO A HOLE

Country Status (6)

Country Link
AT (1) AT371562B (en)
DE (1) DE3015695A1 (en)
ES (1) ES265238Y (en)
FR (1) FR2481358A1 (en)
GB (1) GB2074629B (en)
SE (1) SE8100631L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU562909B2 (en) * 1982-02-24 1987-06-25 Drill Systems International Ltd Drilling apparatus
DE3807321C1 (en) * 1988-03-05 1989-05-11 Salzgitter Maschinenbau Gmbh, 3320 Salzgitter, De
DE4018842C1 (en) * 1990-06-13 1991-07-04 Komotzki, Michael, 4708 Kamen, De Drill pipe assembly for counterbore tool - comprises an outer pipe contg. 2 inner pipes forming a connecting piece with a socket end and a plug end
SE509633C2 (en) * 1992-05-19 1999-02-15 Atlas Copco Rock Drills Ab Drill string component for use in drilling with a liquid-driven submersible drill
WO2010060134A1 (en) * 2008-11-25 2010-06-03 Camstar Nominees Pty Ltd Drill string
CN102383751A (en) * 2011-07-18 2012-03-21 陶德明 Dual-pipe drilling slag removing method and device
CN110579236B (en) * 2018-06-08 2021-03-12 中国石油化工股份有限公司 Device and method for testing parameters of auxiliary drilling tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1876627A (en) * 1932-09-13 Multiple pipe unit adaptable to the drilling and pumping arts
US3065807A (en) * 1958-06-30 1962-11-27 Gas Drilling Services Co Dual passage well drilling pipe
US4100981A (en) * 1977-02-04 1978-07-18 Chaffin John D Earth boring apparatus for geological drilling and coring

Also Published As

Publication number Publication date
FR2481358A1 (en) 1981-10-30
ES265238Y (en) 1984-12-16
SE8100631L (en) 1981-10-25
ES265238U (en) 1984-05-16
DE3015695A1 (en) 1981-10-29
GB2074629A (en) 1981-11-04
AT371562B (en) 1983-07-11
GB2074629B (en) 1983-08-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification