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AU445420B2 - Improved drilling apparatus - Google Patents
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AU445420B2 - Improved drilling apparatus - Google Patents

Improved drilling apparatus

Info

Publication number
AU445420B2
AU445420B2 AU54105/69A AU5410569A AU445420B2 AU 445420 B2 AU445420 B2 AU 445420B2 AU 54105/69 A AU54105/69 A AU 54105/69A AU 5410569 A AU5410569 A AU 5410569A AU 445420 B2 AU445420 B2 AU 445420B2
Authority
AU
Australia
Prior art keywords
drilling apparatus
improved drilling
improved
drilling
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
AU54105/69A
Other versions
AU5410569A (en
Inventor
D. Elenberg Wayland
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU54105/69A priority Critical patent/AU445420B2/en
Publication of AU5410569A publication Critical patent/AU5410569A/en
Application granted granted Critical
Publication of AU445420B2 publication Critical patent/AU445420B2/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
    • E21B17/18—Pipes provided with plural fluid passages
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

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)
AU54105/69A 1969-04-28 1969-04-28 Improved drilling apparatus Expired AU445420B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU54105/69A AU445420B2 (en) 1969-04-28 1969-04-28 Improved drilling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU54105/69A AU445420B2 (en) 1969-04-28 1969-04-28 Improved drilling apparatus

Publications (2)

Publication Number Publication Date
AU5410569A AU5410569A (en) 1970-11-05
AU445420B2 true AU445420B2 (en) 1974-02-05

Family

ID=3740109

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54105/69A Expired AU445420B2 (en) 1969-04-28 1969-04-28 Improved drilling apparatus

Country Status (1)

Country Link
AU (1) AU445420B2 (en)

Also Published As

Publication number Publication date
AU5410569A (en) 1970-11-05

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