ZA865151B - Fast feed drill head - Google Patents

Fast feed drill head

Info

Publication number
ZA865151B
ZA865151B ZA865151A ZA865151A ZA865151B ZA 865151 B ZA865151 B ZA 865151B ZA 865151 A ZA865151 A ZA 865151A ZA 865151 A ZA865151 A ZA 865151A ZA 865151 B ZA865151 B ZA 865151B
Authority
ZA
South Africa
Prior art keywords
drill head
fast feed
feed drill
fast
head
Prior art date
Application number
ZA865151A
Other languages
English (en)
Inventor
Daryl Russell Halvorsen
Ivor Neil Paech
Original Assignee
Longyear Co
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 Longyear Co filed Critical Longyear Co
Publication of ZA865151B publication Critical patent/ZA865151B/xx

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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • 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
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • E21B19/07—Slip-type elevators
    • 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
    • E21B19/086—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 with a fluid-actuated cylinder

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 And Boring (AREA)
ZA865151A 1985-07-12 1986-07-10 Fast feed drill head ZA865151B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75452885A 1985-07-12 1985-07-12

Publications (1)

Publication Number Publication Date
ZA865151B true ZA865151B (en) 1987-03-25

Family

ID=25035191

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA865151A ZA865151B (en) 1985-07-12 1986-07-10 Fast feed drill head

Country Status (5)

Country Link
JP (1) JPS6229696A (xx)
AU (1) AU6006086A (xx)
BE (1) BE905094A (xx)
SE (1) SE8603044L (xx)
ZA (1) ZA865151B (xx)

Also Published As

Publication number Publication date
SE8603044L (sv) 1987-01-13
BE905094A (fr) 1987-01-12
AU6006086A (en) 1987-01-15
JPS6229696A (ja) 1987-02-07
SE8603044D0 (sv) 1986-07-08

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