AU2793567A - Improvements in and relating to core drills - Google Patents

Improvements in and relating to core drills

Info

Publication number
AU2793567A
AU2793567A AU27935/67A AU2793567A AU2793567A AU 2793567 A AU2793567 A AU 2793567A AU 27935/67 A AU27935/67 A AU 27935/67A AU 2793567 A AU2793567 A AU 2793567A AU 2793567 A AU2793567 A AU 2793567A
Authority
AU
Australia
Prior art keywords
relating
core drills
drills
core
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
AU27935/67A
Inventor
Kornelius Pedersen Skavaas Ole
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.)
Associated Diamond Drillers Pty Ltd
Original Assignee
Associated Diamond Drillers 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 Associated Diamond Drillers Pty Ltd filed Critical Associated Diamond Drillers Pty Ltd
Priority to AU27935/67A priority Critical patent/AU2793567A/en
Publication of AU2793567A publication Critical patent/AU2793567A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
AU27935/67A 1968-10-02 1968-10-02 Improvements in and relating to core drills Expired AU2793567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU27935/67A AU2793567A (en) 1968-10-02 1968-10-02 Improvements in and relating to core drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU27935/67A AU2793567A (en) 1968-10-02 1968-10-02 Improvements in and relating to core drills

Publications (1)

Publication Number Publication Date
AU2793567A true AU2793567A (en) 1970-04-09

Family

ID=3716202

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27935/67A Expired AU2793567A (en) 1968-10-02 1968-10-02 Improvements in and relating to core drills

Country Status (1)

Country Link
AU (1) AU2793567A (en)

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