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AU459409B2 - Underground rotary drill - Google Patents
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AU459409B2 - Underground rotary drill - Google Patents

Underground rotary drill

Info

Publication number
AU459409B2
AU459409B2 AU25084/71A AU2508471A AU459409B2 AU 459409 B2 AU459409 B2 AU 459409B2 AU 25084/71 A AU25084/71 A AU 25084/71A AU 2508471 A AU2508471 A AU 2508471A AU 459409 B2 AU459409 B2 AU 459409B2
Authority
AU
Australia
Prior art keywords
rotary drill
underground rotary
underground
drill
rotary
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
AU25084/71A
Other versions
AU2508471A (en
Inventor
E. Cannon Robert
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.)
Roberte Cannon
Original Assignee
Roberte Cannon
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 Roberte Cannon filed Critical Roberte Cannon
Priority to AU25084/71A priority Critical patent/AU459409B2/en
Publication of AU2508471A publication Critical patent/AU2508471A/en
Application granted granted Critical
Publication of AU459409B2 publication Critical patent/AU459409B2/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
AU25084/71A 1971-02-05 1971-02-05 Underground rotary drill Expired AU459409B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25084/71A AU459409B2 (en) 1971-02-05 1971-02-05 Underground rotary drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU25084/71A AU459409B2 (en) 1971-02-05 1971-02-05 Underground rotary drill

Publications (2)

Publication Number Publication Date
AU2508471A AU2508471A (en) 1972-08-10
AU459409B2 true AU459409B2 (en) 1975-03-06

Family

ID=3713965

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25084/71A Expired AU459409B2 (en) 1971-02-05 1971-02-05 Underground rotary drill

Country Status (1)

Country Link
AU (1) AU459409B2 (en)

Also Published As

Publication number Publication date
AU2508471A (en) 1972-08-10

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