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EP0149207A3 - Tool assembly comprising a percussion bit and a drill pipe - Google Patents

Tool assembly comprising a percussion bit and a drill pipe Download PDF

Info

Publication number
EP0149207A3
EP0149207A3 EP84116067A EP84116067A EP0149207A3 EP 0149207 A3 EP0149207 A3 EP 0149207A3 EP 84116067 A EP84116067 A EP 84116067A EP 84116067 A EP84116067 A EP 84116067A EP 0149207 A3 EP0149207 A3 EP 0149207A3
Authority
EP
European Patent Office
Prior art keywords
drill pipe
tool assembly
percussion bit
cone
bit
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.)
Withdrawn
Application number
EP84116067A
Other languages
German (de)
French (fr)
Other versions
EP0149207A2 (en
Inventor
Wilhelm Poerschke
Ulrich Dipl.-Ing. Rauen
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Publication of EP0149207A2 publication Critical patent/EP0149207A2/en
Publication of EP0149207A3 publication Critical patent/EP0149207A3/en
Withdrawn legal-status Critical Current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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

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)

Abstract

Die Werkzeuganordnung weist eine Bohrstange (2) mit einem Außenkonus (5) auf, auf dem eine Bohrkrone (1) mit einem entsprechenden Innenkonus (3) sitzt. In dem gemein­ samen Bereich beider Konusse (3, 5) ist mindestens ein federndes Sicherungselement (7) angeordnet, das sowohl in eine Umfangsnut (6) am Außenkonus (5) als auch in eine Innennut (4) im Innenkonus (5) eingreift. The tool arrangement has a boring bar (2) an outer cone (5) on which a drill bit (1) with a corresponding inner cone (3). In the mean The entire area of both cones (3, 5) is at least one Resilient securing element (7) arranged both in a circumferential groove (6) on the outer cone (5) as well as in a Inner groove (4) engages in the inner cone (5).

EP84116067A 1984-01-19 1984-12-21 Tool assembly comprising a percussion bit and a drill pipe Withdrawn EP0149207A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843401664 DE3401664A1 (en) 1984-01-19 1984-01-19 TOOL ARRANGEMENT CONSISTING OF DRILL DRILL AND ROD BARS
DE3401664 1984-01-19

Publications (2)

Publication Number Publication Date
EP0149207A2 EP0149207A2 (en) 1985-07-24
EP0149207A3 true EP0149207A3 (en) 1987-10-07

Family

ID=6225298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84116067A Withdrawn EP0149207A3 (en) 1984-01-19 1984-12-21 Tool assembly comprising a percussion bit and a drill pipe

Country Status (2)

Country Link
EP (1) EP0149207A3 (en)
DE (1) DE3401664A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2011266B3 (en) * 1986-02-05 1990-01-01 Geissler & Kuper Gmbh Diamantwerkzeug-Wiederaufbereitung COUPLING, ESPECIALLY FOR DIAMOND DRILL CROWNS, WITH REED TUBE AND TUBE THREAD CLOSURE.
US5927411A (en) * 1997-04-16 1999-07-27 Kennametal Inc. Connector with variable resistance retention member
CN113153176B (en) * 2021-03-18 2022-02-01 江苏和信石油机械有限公司 High-strength large-diameter drill rod

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379472A (en) * 1943-09-25 1945-07-03 Edward J Bowman Separable connection for rock drills and like structures
US3585803A (en) * 1968-11-15 1971-06-22 Exxon Production Research Co Pile splice
DE2448377A1 (en) * 1974-10-08 1976-04-22 Bohrer Gmbh Fuer Ind Handel Ha Tool holder for hammer drill - has two forms for varying drill bit sizes, and slightly different external contouring
DE3322887A1 (en) * 1983-06-24 1985-01-03 Hilti Ag, Schaan Rock-drilling tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379472A (en) * 1943-09-25 1945-07-03 Edward J Bowman Separable connection for rock drills and like structures
US3585803A (en) * 1968-11-15 1971-06-22 Exxon Production Research Co Pile splice
DE2448377A1 (en) * 1974-10-08 1976-04-22 Bohrer Gmbh Fuer Ind Handel Ha Tool holder for hammer drill - has two forms for varying drill bit sizes, and slightly different external contouring
DE3322887A1 (en) * 1983-06-24 1985-01-03 Hilti Ag, Schaan Rock-drilling tool

Also Published As

Publication number Publication date
EP0149207A2 (en) 1985-07-24
DE3401664A1 (en) 1985-07-25

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Legal Events

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18D Application deemed to be withdrawn

Effective date: 19880408

RIN1 Information on inventor provided before grant (corrected)

Inventor name: POERSCHKE, WILHELM

Inventor name: RAUEN, ULRICH, DIPL.-ING.