SE7501020L - STOT DRILLING DEVICE FOR HALF DRIVING IN THE GROUND - Google Patents

STOT DRILLING DEVICE FOR HALF DRIVING IN THE GROUND

Info

Publication number
SE7501020L
SE7501020L SE7501020A SE7501020A SE7501020L SE 7501020 L SE7501020 L SE 7501020L SE 7501020 A SE7501020 A SE 7501020A SE 7501020 A SE7501020 A SE 7501020A SE 7501020 L SE7501020 L SE 7501020L
Authority
SE
Sweden
Prior art keywords
stot
ground
drilling device
half driving
driving
Prior art date
Application number
SE7501020A
Other languages
Swedish (sv)
Other versions
SE387998B (en
Inventor
N P Chepurnoi
A D Kostylev
K S Gurkov
K K Tupitsyn
S K Tupitsyn
N G Nazarov
V D Plavskikh
K B Tkach
E N Cherednikov
A N Galbinshtein
M V Borshtein
A T Karavaev
V A Menzorov
A M Makarov
Original Assignee
Inst Gornogo Dela Sibirskogo O
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 Inst Gornogo Dela Sibirskogo O filed Critical Inst Gornogo Dela Sibirskogo O
Priority to SE7501020A priority Critical patent/SE387998B/en
Publication of SE7501020L publication Critical patent/SE7501020L/en
Publication of SE387998B publication Critical patent/SE387998B/en

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
SE7501020A 1975-01-30 1975-01-30 STOT DRILLING DEVICE FOR HALF DRIVING IN THE GROUND SE387998B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7501020A SE387998B (en) 1975-01-30 1975-01-30 STOT DRILLING DEVICE FOR HALF DRIVING IN THE GROUND

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7501020A SE387998B (en) 1975-01-30 1975-01-30 STOT DRILLING DEVICE FOR HALF DRIVING IN THE GROUND

Publications (2)

Publication Number Publication Date
SE7501020L true SE7501020L (en) 1976-08-02
SE387998B SE387998B (en) 1976-09-20

Family

ID=20323546

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7501020A SE387998B (en) 1975-01-30 1975-01-30 STOT DRILLING DEVICE FOR HALF DRIVING IN THE GROUND

Country Status (1)

Country Link
SE (1) SE387998B (en)

Also Published As

Publication number Publication date
SE387998B (en) 1976-09-20

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