AU2133770A - A thread system for extension drill rod connections - Google Patents

A thread system for extension drill rod connections

Info

Publication number
AU2133770A
AU2133770A AU21337/70A AU2133770A AU2133770A AU 2133770 A AU2133770 A AU 2133770A AU 21337/70 A AU21337/70 A AU 21337/70A AU 2133770 A AU2133770 A AU 2133770A AU 2133770 A AU2133770 A AU 2133770A
Authority
AU
Australia
Prior art keywords
drill rod
thread system
rod connections
extension drill
extension
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU21337/70A
Other versions
AU474335B2 (en
Inventor
Czarnecki Bengt Rolf Soderman Fader
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandco Ltd
Original Assignee
Fagersta Bruks 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 Fagersta Bruks AB filed Critical Fagersta Bruks AB
Application granted granted Critical
Publication of AU474335B2 publication Critical patent/AU474335B2/en
Publication of AU2133770A publication Critical patent/AU2133770A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members

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)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
AU21337/70A 1969-10-22 1970-10-21 A thread system for extension drill rod connections Expired AU474335B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE14444/69A SE336316B (en) 1969-10-22 1969-10-22
SESE14444/0 1969-10-22

Publications (2)

Publication Number Publication Date
AU474335B2 AU474335B2 (en) 1972-04-27
AU2133770A true AU2133770A (en) 1972-04-27

Family

ID=

Also Published As

Publication number Publication date
FI56054C (en) 1979-11-12
FI56054B (en) 1979-07-31
SE336316B (en) 1971-07-05
ZA706679B (en) 1971-05-27
NO130737C (en) 1977-11-01
DE2050703C3 (en) 1981-01-22
FR2066406A5 (en) 1971-08-06
NO130737B (en) 1974-10-21
DE2050703A1 (en) 1971-05-06
JPS5021123B1 (en) 1975-07-21
US3717368A (en) 1973-02-20
DE2050703B2 (en) 1980-05-14
CA929368A (en) 1973-07-03

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