AT371562B - Bohrgestaenge fuer ein in ein bohrloch einbringbares senkbohrwerkzeug - Google Patents

Bohrgestaenge fuer ein in ein bohrloch einbringbares senkbohrwerkzeug

Info

Publication number
AT371562B
AT371562B AT44681A AT44681A AT371562B AT 371562 B AT371562 B AT 371562B AT 44681 A AT44681 A AT 44681A AT 44681 A AT44681 A AT 44681A AT 371562 B AT371562 B AT 371562B
Authority
AT
Austria
Prior art keywords
hole
drill rods
tool
lower hole
hole tool
Prior art date
Application number
AT44681A
Other languages
English (en)
Other versions
ATA44681A (de
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/de
Application granted granted Critical
Publication of AT371562B publication Critical patent/AT371562B/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
    • E21B21/12—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 Bohrgestaenge fuer ein in ein bohrloch einbringbares senkbohrwerkzeug AT371562B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803015695 DE3015695A1 (de) 1980-04-24 1980-04-24 Bohrgestaenge fuer ein senkbohrwerkzeug

Publications (2)

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

Family

ID=6100777

Family Applications (1)

Application Number Title Priority Date Filing Date
AT44681A AT371562B (de) 1980-04-24 1981-02-02 Bohrgestaenge fuer ein in ein bohrloch einbringbares senkbohrwerkzeug

Country Status (6)

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

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 (de) * 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 (sv) * 1992-05-19 1999-02-15 Atlas Copco Rock Drills Ab Borrsträngskomponent för användning vid borrning med vätskedriven sänkborrmaskin
AU2009321521A1 (en) * 2008-11-25 2011-06-23 Camstar Nominees Pty Ltd Drill string
CN102383751A (zh) * 2011-07-18 2012-03-21 陶德明 双管钻进的排渣方法及排渣装置
CN110579236B (zh) * 2018-06-08 2021-03-12 中国石油化工股份有限公司 用于辅助钻井工具的参数的测试装置及测试方法

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
ES265238U (es) 1984-05-16
ES265238Y (es) 1984-12-16
GB2074629A (en) 1981-11-04
DE3015695A1 (de) 1981-10-29
GB2074629B (en) 1983-08-10
SE8100631L (sv) 1981-10-25
ATA44681A (de) 1982-11-15
FR2481358A1 (fr) 1981-10-30

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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