AU478413B2 - An improved replaceable insert earth drilling bit - Google Patents

An improved replaceable insert earth drilling bit

Info

Publication number
AU478413B2
AU478413B2 AU59145/73A AU5914573A AU478413B2 AU 478413 B2 AU478413 B2 AU 478413B2 AU 59145/73 A AU59145/73 A AU 59145/73A AU 5914573 A AU5914573 A AU 5914573A AU 478413 B2 AU478413 B2 AU 478413B2
Authority
AU
Australia
Prior art keywords
drilling bit
replaceable insert
earth drilling
insert earth
improved replaceable
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
AU59145/73A
Other versions
AU5914573A (en
Inventor
Douglas Bourne & George Francis Bourne Graham
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.)
Bourne Exploration Tool And Machining Co Pty Ltd
Original Assignee
Bourne Exploration Tool And Machining Co Pty 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 Bourne Exploration Tool And Machining Co Pty Ltd filed Critical Bourne Exploration Tool And Machining Co Pty Ltd
Priority to AU59145/73A priority Critical patent/AU478413B2/en
Application granted granted Critical
Publication of AU5914573A publication Critical patent/AU5914573A/en
Publication of AU478413B2 publication Critical patent/AU478413B2/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
AU59145/73A 1972-08-11 1972-08-11 An improved replaceable insert earth drilling bit Expired AU478413B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU59145/73A AU478413B2 (en) 1972-08-11 1972-08-11 An improved replaceable insert earth drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU59145/73A AU478413B2 (en) 1972-08-11 1972-08-11 An improved replaceable insert earth drilling bit

Publications (2)

Publication Number Publication Date
AU5914573A AU5914573A (en) 1975-02-13
AU478413B2 true AU478413B2 (en) 1975-02-13

Family

ID=3744344

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59145/73A Expired AU478413B2 (en) 1972-08-11 1972-08-11 An improved replaceable insert earth drilling bit

Country Status (1)

Country Link
AU (1) AU478413B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102197A2 (en) * 1982-07-30 1984-03-07 Kwik Products Corporation Downhole tool with replaceable tool sleeve sections

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102197A2 (en) * 1982-07-30 1984-03-07 Kwik Products Corporation Downhole tool with replaceable tool sleeve sections
EP0102197A3 (en) * 1982-07-30 1984-12-27 Kwik Products Corporation Downhole tool with replaceable tool sleeve sections

Also Published As

Publication number Publication date
AU5914573A (en) 1975-02-13

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