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
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/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
    • 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 (en) 1985-10-17 1985-10-17 DRILLING ROCK FOR BACKGROUND MOUNTING

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 (en)
JP (1) JPS62125192A (en)
CN (1) CN86107149A (en)
AU (1) AU6367286A (en)
BR (1) BR8605070A (en)
FI (1) FI864185A (en)
SE (1) SE8504842L (en)
ZA (1) ZA867682B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514137C2 (en) * 1998-03-24 2001-01-08 Sandvik Ab Threaded joints for striking drilling, male and female part to be included in a threaded joint for striking drilling as well as method for manufacturing a product with a thread to be included in a threaded joint for striking drilling
GB2340148B (en) * 1998-07-30 2002-12-31 Boart Longyear Ltd Tube rod
PL2845992T3 (en) * 2013-09-09 2016-07-29 Sandvik Intellectual Property Drill string with bend resistant coupling
EP3095955A1 (en) * 2015-05-22 2016-11-23 Sandvik Intellectual Property AB Threaded coupling end for drill string component

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 (en) * 1985-04-04 1993-08-02 Sandvik Ab CUTTING HEAD BEFORE SHOCK DRILLING

Also Published As

Publication number Publication date
JPS62125192A (en) 1987-06-06
EP0220147A3 (en) 1988-11-17
CN86107149A (en) 1987-05-20
SE8504842D0 (en) 1985-10-17
EP0220147A2 (en) 1987-04-29
AU6367286A (en) 1987-04-30
FI864185A0 (en) 1986-10-16
FI864185A (en) 1987-04-18
BR8605070A (en) 1987-07-21
SE8504842L (en) 1987-04-18

Similar Documents

Publication Publication Date Title
GB8618252D0 (en) Drilling well
GB8601993D0 (en) Hammer drill
GB8601089D0 (en) Hammer drill
GB8726727D0 (en) Monitoring drilling operations
EP0202211A3 (en) Drill
GB8704146D0 (en) Drilling bit
GB8531627D0 (en) Drilling borehole
GB8612767D0 (en) Rock drills
GB8515078D0 (en) Drilling rig
GB2184046B (en) Twist drill
EP0187971A3 (en) Drill bit
GB2193735B (en) Drilling machine
GB2182873A (en) Drill
ZA867682B (en) Thread coupling for percussion drilling
DE3565064D1 (en) Electropneumatic percussion drill
GB8618457D0 (en) Drill bit
GB8726868D0 (en) Drill bit
IE851766L (en) Percussive drill
GB8528727D0 (en) Drill string finger coupling
PL252259A1 (en) Drilling rig
PL255404A1 (en) Drilling rig
GB2159553B (en) Drilling rig
GB8520234D0 (en) Drill alignment attachment
PL254989A1 (en) Drill bit
GB2178777B (en) Drilling during shaft-sinking