EP0748923A3 - Drill rod - Google Patents

Drill rod Download PDF

Info

Publication number
EP0748923A3
EP0748923A3 EP96109669A EP96109669A EP0748923A3 EP 0748923 A3 EP0748923 A3 EP 0748923A3 EP 96109669 A EP96109669 A EP 96109669A EP 96109669 A EP96109669 A EP 96109669A EP 0748923 A3 EP0748923 A3 EP 0748923A3
Authority
EP
European Patent Office
Prior art keywords
drill rod
drill
rod
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.)
Granted
Application number
EP96109669A
Other languages
German (de)
French (fr)
Other versions
EP0748923A2 (en
EP0748923B1 (en
Inventor
Nigel Roberts
John O'brien
Kjell Andersson
Derek Loughlin
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.)
Boart Longyear Ltd
Original Assignee
Boart Longyear 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 Boart Longyear Ltd filed Critical Boart Longyear Ltd
Publication of EP0748923A2 publication Critical patent/EP0748923A2/en
Publication of EP0748923A3 publication Critical patent/EP0748923A3/en
Application granted granted Critical
Publication of EP0748923B1 publication Critical patent/EP0748923B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
EP19960109669 1995-06-16 1996-06-17 Drill rod Expired - Lifetime EP0748923B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9512250.3A GB9512250D0 (en) 1995-06-16 1995-06-16 A drill string
GB9512250 1995-06-16

Publications (3)

Publication Number Publication Date
EP0748923A2 EP0748923A2 (en) 1996-12-18
EP0748923A3 true EP0748923A3 (en) 1997-10-29
EP0748923B1 EP0748923B1 (en) 2001-11-28

Family

ID=10776167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960109669 Expired - Lifetime EP0748923B1 (en) 1995-06-16 1996-06-17 Drill rod

Country Status (3)

Country Link
EP (1) EP0748923B1 (en)
DE (1) DE69617320T2 (en)
GB (1) GB9512250D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019100881B4 (en) * 2018-08-10 2022-06-30 Xceed Mining Services Pte. Ltd. Blast hole drilling

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1477855A (en) * 1922-04-18 1923-12-18 Fred W Thurston Drill
US1865585A (en) * 1929-03-08 1932-07-05 George C Riley Rock drill
DE1483863A1 (en) * 1965-07-08 1970-03-05 Sandvikens Jernverks Ab Boring rod for long hole drilling in rock
US3519090A (en) * 1968-12-09 1970-07-07 Bobby R Herring Straight hole tool
US3537738A (en) * 1968-04-15 1970-11-03 Sandvikens Jernverks Ab Drill rod for long hole drilling in the ground
US3554303A (en) * 1968-08-02 1971-01-12 William Zajkowski Earth piercing apparatus and method
US3582117A (en) * 1968-04-10 1971-06-01 Sandvikens Jernverks Ab Tubular extension rod for percussion drilling
DE4127249C1 (en) * 1991-08-17 1993-02-04 Gd-Anker Gmbh, 3370 Seesen, De

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1477855A (en) * 1922-04-18 1923-12-18 Fred W Thurston Drill
US1865585A (en) * 1929-03-08 1932-07-05 George C Riley Rock drill
DE1483863A1 (en) * 1965-07-08 1970-03-05 Sandvikens Jernverks Ab Boring rod for long hole drilling in rock
US3582117A (en) * 1968-04-10 1971-06-01 Sandvikens Jernverks Ab Tubular extension rod for percussion drilling
US3537738A (en) * 1968-04-15 1970-11-03 Sandvikens Jernverks Ab Drill rod for long hole drilling in the ground
US3554303A (en) * 1968-08-02 1971-01-12 William Zajkowski Earth piercing apparatus and method
US3519090A (en) * 1968-12-09 1970-07-07 Bobby R Herring Straight hole tool
DE4127249C1 (en) * 1991-08-17 1993-02-04 Gd-Anker Gmbh, 3370 Seesen, De

Also Published As

Publication number Publication date
GB9512250D0 (en) 1995-08-16
EP0748923A2 (en) 1996-12-18
DE69617320T2 (en) 2002-07-25
EP0748923B1 (en) 2001-11-28
DE69617320D1 (en) 2002-01-10

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