ZA718696B - Improvements in drill rod couplings - Google Patents

Improvements in drill rod couplings

Info

Publication number
ZA718696B
ZA718696B ZA718696A ZA718696A ZA718696B ZA 718696 B ZA718696 B ZA 718696B ZA 718696 A ZA718696 A ZA 718696A ZA 718696 A ZA718696 A ZA 718696A ZA 718696 B ZA718696 B ZA 718696B
Authority
ZA
South Africa
Prior art keywords
drill rod
rod couplings
couplings
drill
rod
Prior art date
Application number
ZA718696A
Other languages
English (en)
Inventor
E Johansson
K Lumen
Original Assignee
Sandvikens Jernverks Ab
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 Sandvikens Jernverks Ab filed Critical Sandvikens Jernverks Ab
Publication of ZA718696B publication Critical patent/ZA718696B/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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Pens And Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Brushes (AREA)
ZA718696A 1971-01-07 1971-12-29 Improvements in drill rod couplings ZA718696B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10456071A 1971-01-07 1971-01-07

Publications (1)

Publication Number Publication Date
ZA718696B true ZA718696B (en) 1972-09-27

Family

ID=22301119

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA718696A ZA718696B (en) 1971-01-07 1971-12-29 Improvements in drill rod couplings

Country Status (15)

Country Link
JP (1) JPS554912B1 (de)
AT (1) AT313828B (de)
AU (1) AU467200B2 (de)
BR (1) BR7200085D0 (de)
CA (1) CA938118A (de)
CH (1) CH533758A (de)
DE (1) DE2200514C3 (de)
ES (1) ES398631A1 (de)
FI (1) FI59848C (de)
FR (1) FR2121657B1 (de)
GB (1) GB1367711A (de)
IT (1) IT944656B (de)
NO (1) NO134763C (de)
SE (1) SE388240B (de)
ZA (1) ZA718696B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8522797D0 (en) * 1985-09-14 1985-10-16 Davidson R Tow bar
DE19541163A1 (de) * 1995-11-04 1997-05-07 Hawera Probst Kg Hartmetall Bohrwerkzeug, insbesondere zur Bearbeitung von Gestein
DE50006322D1 (de) 2000-03-16 2004-06-09 Naimer H L Schalter
AT505072B1 (de) 2007-04-13 2009-02-15 Alwag Tunnelausbau Gmbh Verfahren und vorrichtung zum sichern eines mit einem aussengewinde versehenen gegenstands
WO2010085829A2 (de) 2009-01-27 2010-08-05 Dywidag-Systems International Gmbh Vorrichtung zum koppeln von zwei rohrartigen elementen

Also Published As

Publication number Publication date
BR7200085D0 (pt) 1973-05-10
SE388240B (sv) 1976-09-27
FR2121657B1 (de) 1974-06-21
GB1367711A (en) 1974-09-18
AT313828B (de) 1974-03-11
FR2121657A1 (de) 1972-08-25
DE2200514B2 (de) 1973-04-19
AU3757072A (en) 1973-07-05
DE2200514C3 (de) 1973-11-08
FI59848C (fi) 1981-10-12
CA938118A (en) 1973-12-11
AU467200B2 (en) 1975-11-27
DE2200514A1 (de) 1972-07-20
IT944656B (it) 1973-04-20
ES398631A1 (es) 1975-05-16
CH533758A (de) 1973-02-15
NO134763B (de) 1976-08-30
FI59848B (fi) 1981-06-30
NO134763C (de) 1976-12-08
JPS554912B1 (de) 1980-02-01

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