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AU484907B2 - Improved core sampling drill - Google Patents
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AU484907B2 - Improved core sampling drill - Google Patents

Improved core sampling drill

Info

Publication number
AU484907B2
AU484907B2 AU76527/74A AU7652774A AU484907B2 AU 484907 B2 AU484907 B2 AU 484907B2 AU 76527/74 A AU76527/74 A AU 76527/74A AU 7652774 A AU7652774 A AU 7652774A AU 484907 B2 AU484907 B2 AU 484907B2
Authority
AU
Australia
Prior art keywords
core sampling
sampling drill
improved core
improved
drill
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
AU76527/74A
Other versions
AU7652774A (en
Inventor
Malcolm Wallis Jamie
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.)
Wallis Industries Pty Ltd
Original Assignee
Wallis Industries 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 Wallis Industries Pty Ltd filed Critical Wallis Industries Pty Ltd
Priority to AU76527/74A priority Critical patent/AU484907B2/en
Priority to ZA00753605A priority patent/ZA753605B/en
Priority to GB25949/75A priority patent/GB1494413A/en
Application granted granted Critical
Publication of AU7652774A publication Critical patent/AU7652774A/en
Publication of AU484907B2 publication Critical patent/AU484907B2/en
Priority to MY252/78A priority patent/MY7800252A/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
    • E21B10/02—Core bits
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems

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)
  • Drilling Tools (AREA)
AU76527/74A 1974-12-17 1974-12-17 Improved core sampling drill Expired AU484907B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU76527/74A AU484907B2 (en) 1974-12-17 1974-12-17 Improved core sampling drill
ZA00753605A ZA753605B (en) 1974-12-17 1975-06-04 Improved core sampling drill
GB25949/75A GB1494413A (en) 1974-12-17 1975-06-18 Core sampling drill
MY252/78A MY7800252A (en) 1974-12-17 1978-12-30 Improved core sampling drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU76527/74A AU484907B2 (en) 1974-12-17 1974-12-17 Improved core sampling drill

Publications (2)

Publication Number Publication Date
AU7652774A AU7652774A (en) 1976-06-17
AU484907B2 true AU484907B2 (en) 1976-06-17

Family

ID=3757462

Family Applications (1)

Application Number Title Priority Date Filing Date
AU76527/74A Expired AU484907B2 (en) 1974-12-17 1974-12-17 Improved core sampling drill

Country Status (4)

Country Link
AU (1) AU484907B2 (en)
GB (1) GB1494413A (en)
MY (1) MY7800252A (en)
ZA (1) ZA753605B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU631220B2 (en) * 1989-06-19 1992-11-19 John Kitching Reverse circulation drilling apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2347057C1 (en) * 2007-08-30 2009-02-20 Николай Митрофанович Панин Drilling bit
AU2016266110B2 (en) * 2015-12-02 2022-09-22 Wallis Engineers Pty Ltd A Reverse Circulation Down Hole Hammer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU631220B2 (en) * 1989-06-19 1992-11-19 John Kitching Reverse circulation drilling apparatus

Also Published As

Publication number Publication date
AU7652774A (en) 1976-06-17
GB1494413A (en) 1977-12-07
ZA753605B (en) 1976-05-26
MY7800252A (en) 1978-12-31

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