ZA867682B - Thread coupling for percussion drilling - Google Patents

Thread coupling for percussion drilling

Info

Publication number
ZA867682B
ZA867682B ZA867682A ZA867682A ZA867682B ZA 867682 B ZA867682 B ZA 867682B ZA 867682 A ZA867682 A ZA 867682A ZA 867682 A ZA867682 A ZA 867682A ZA 867682 B ZA867682 B ZA 867682B
Authority
ZA
South Africa
Prior art keywords
percussion drilling
thread coupling
percussion
drilling
thread
Prior art date
Application number
ZA867682A
Other languages
English (en)
Inventor
Bernt Soeren Liljekvist
Original Assignee
Santrade Ltd
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 Santrade Ltd filed Critical Santrade Ltd
Publication of ZA867682B publication Critical patent/ZA867682B/xx

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
ZA867682A 1985-10-17 1986-10-08 Thread coupling for percussion drilling ZA867682B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8504842A SE8504842L (sv) 1985-10-17 1985-10-17 Borrstang for slaende bergborrning

Publications (1)

Publication Number Publication Date
ZA867682B true ZA867682B (en) 1987-05-27

Family

ID=20361778

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA867682A ZA867682B (en) 1985-10-17 1986-10-08 Thread coupling for percussion drilling

Country Status (8)

Country Link
EP (1) EP0220147A3 (de)
JP (1) JPS62125192A (de)
CN (1) CN86107149A (de)
AU (1) AU6367286A (de)
BR (1) BR8605070A (de)
FI (1) FI864185A7 (de)
SE (1) SE8504842L (de)
ZA (1) ZA867682B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514137C2 (sv) 1998-03-24 2001-01-08 Sandvik Ab Gängförband för slående borrning, han- och hondel för att ingå i ett gängförband för slående borrning samt metod för att tillverka en produkt med en gänga för att ingå i ett gängförband för slående borrning
GB2340148B (en) * 1998-07-30 2002-12-31 Boart Longyear Ltd Tube rod
EP2845992B1 (de) 2013-09-09 2016-01-13 Sandvik Intellectual Property AB Bohrgestänge mit biegesteifer Kupplung
EP3095955A1 (de) * 2015-05-22 2016-11-23 Sandvik Intellectual Property AB Kupplungsende mit gewinde für bohrstrangkomponente

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645802A (en) * 1925-06-09 1927-10-18 Lewis F Davis Deep-well pump-plunger attachment
US2005498A (en) * 1933-04-28 1935-06-18 Raymond S Hart Detachable bit for rock drills
US2979993A (en) * 1956-04-17 1961-04-18 Sandvikens Jernverks Ab Rock drill bit and method of manufacturing same
US3542406A (en) * 1969-03-26 1970-11-24 Ideal Ind Connector and method
US4397484A (en) * 1982-04-16 1983-08-09 Mobil Oil Corporation Locking coupling system
SE469602B (sv) * 1985-04-04 1993-08-02 Sandvik Ab Skarvgaenga foer slagborrning

Also Published As

Publication number Publication date
SE8504842D0 (sv) 1985-10-17
FI864185L (fi) 1987-04-18
EP0220147A2 (de) 1987-04-29
CN86107149A (zh) 1987-05-20
JPS62125192A (ja) 1987-06-06
FI864185A7 (fi) 1987-04-18
FI864185A0 (fi) 1986-10-16
AU6367286A (en) 1987-04-30
SE8504842L (sv) 1987-04-18
EP0220147A3 (de) 1988-11-17
BR8605070A (pt) 1987-07-21

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