SE8100631L - Borrstang for ett senkborrverktyg - Google Patents

Borrstang for ett senkborrverktyg

Info

Publication number
SE8100631L
SE8100631L SE8100631A SE8100631A SE8100631L SE 8100631 L SE8100631 L SE 8100631L SE 8100631 A SE8100631 A SE 8100631A SE 8100631 A SE8100631 A SE 8100631A SE 8100631 L SE8100631 L SE 8100631L
Authority
SE
Sweden
Prior art keywords
pipe
drilling rod
passage
pipes
tool
Prior art date
Application number
SE8100631A
Other languages
Unknown language ( )
English (en)
Inventor
Salzgitter H 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 SE8100631L publication Critical patent/SE8100631L/sv

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)
SE8100631A 1980-04-24 1981-01-29 Borrstang for ett senkborrverktyg SE8100631L (sv)

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 (1)

Publication Number Publication Date
SE8100631L true SE8100631L (sv) 1981-10-25

Family

ID=6100777

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8100631A SE8100631L (sv) 1980-04-24 1981-01-29 Borrstang for ett senkborrverktyg

Country Status (6)

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

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 (sv) * 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
FR2481358A1 (fr) 1981-10-30
GB2074629A (en) 1981-11-04
ATA44681A (de) 1982-11-15
DE3015695A1 (de) 1981-10-29
ES265238U (es) 1984-05-16
GB2074629B (en) 1983-08-10
AT371562B (de) 1983-07-11
ES265238Y (es) 1984-12-16

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