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AU464071B2 - Improvements in and relating to drilling - Google Patents
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AU464071B2 - Improvements in and relating to drilling - Google Patents

Improvements in and relating to drilling

Info

Publication number
AU464071B2
AU464071B2 AU28496/71A AU2849671A AU464071B2 AU 464071 B2 AU464071 B2 AU 464071B2 AU 28496/71 A AU28496/71 A AU 28496/71A AU 2849671 A AU2849671 A AU 2849671A AU 464071 B2 AU464071 B2 AU 464071B2
Authority
AU
Australia
Prior art keywords
drilling
relating
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
AU28496/71A
Other versions
AU2849671A (en
Inventor
Koepke Horst
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.)
Mandrill Ltd
Original Assignee
Mandrill 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 Mandrill Ltd filed Critical Mandrill Ltd
Priority to AU28496/71A priority Critical patent/AU464071B2/en
Publication of AU2849671A publication Critical patent/AU2849671A/en
Application granted granted Critical
Publication of AU464071B2 publication Critical patent/AU464071B2/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
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe

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)
AU28496/71A 1971-05-04 1971-05-04 Improvements in and relating to drilling Expired AU464071B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28496/71A AU464071B2 (en) 1971-05-04 1971-05-04 Improvements in and relating to drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU28496/71A AU464071B2 (en) 1971-05-04 1971-05-04 Improvements in and relating to drilling

Publications (2)

Publication Number Publication Date
AU2849671A AU2849671A (en) 1972-11-09
AU464071B2 true AU464071B2 (en) 1975-07-30

Family

ID=3716676

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28496/71A Expired AU464071B2 (en) 1971-05-04 1971-05-04 Improvements in and relating to drilling

Country Status (1)

Country Link
AU (1) AU464071B2 (en)

Also Published As

Publication number Publication date
AU2849671A (en) 1972-11-09

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