FI791927A - BORRSTRAENG - Google Patents

BORRSTRAENG

Info

Publication number
FI791927A
FI791927A FI791927A FI791927A FI791927A FI 791927 A FI791927 A FI 791927A FI 791927 A FI791927 A FI 791927A FI 791927 A FI791927 A FI 791927A FI 791927 A FI791927 A FI 791927A
Authority
FI
Finland
Prior art keywords
borrstraeng
Prior art date
Application number
FI791927A
Other languages
Finnish (fi)
Inventor
Edward A Bailey
Original Assignee
Joy Mfg Co
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 Joy Mfg Co filed Critical Joy Mfg Co
Publication of FI791927A publication Critical patent/FI791927A/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

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)
  • Food-Manufacturing Devices (AREA)
FI791927A 1978-06-22 1979-06-15 BORRSTRAENG FI791927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91819578A 1978-06-22 1978-06-22

Publications (1)

Publication Number Publication Date
FI791927A true FI791927A (en) 1979-12-23

Family

ID=25439957

Family Applications (1)

Application Number Title Priority Date Filing Date
FI791927A FI791927A (en) 1978-06-22 1979-06-15 BORRSTRAENG

Country Status (4)

Country Link
CA (1) CA1101407A (en)
FI (1) FI791927A (en)
SE (1) SE7905381L (en)
ZA (1) ZA792111B (en)

Also Published As

Publication number Publication date
CA1101407A (en) 1981-05-19
SE7905381L (en) 1979-12-23
ZA792111B (en) 1980-05-28

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: JOY MANUFACTURING COMPANY