SE313030C - Rock and earth drilling device - Google Patents

Rock and earth drilling device

Info

Publication number
SE313030C
SE313030C SE1141967A SE1141967A SE313030C SE 313030 C SE313030 C SE 313030C SE 1141967 A SE1141967 A SE 1141967A SE 1141967 A SE1141967 A SE 1141967A SE 313030 C SE313030 C SE 313030C
Authority
SE
Sweden
Prior art keywords
rock
drilling device
earth drilling
earth
drilling
Prior art date
Application number
SE1141967A
Other languages
Swedish (sv)
Other versions
SE313030B (en
Inventor
G H O Wibom
Original Assignee
G H O Wibom
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 G H O Wibom filed Critical G H O Wibom
Priority to SE1141967A priority Critical patent/SE313030C/en
Publication of SE313030B publication Critical patent/SE313030B/en
Publication of SE313030C publication Critical patent/SE313030C/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/002—Drilling with diversely driven shafts extending into the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
SE1141967A 1967-08-14 1967-08-14 Rock and earth drilling device SE313030C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1141967A SE313030C (en) 1967-08-14 1967-08-14 Rock and earth drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1141967A SE313030C (en) 1967-08-14 1967-08-14 Rock and earth drilling device

Publications (2)

Publication Number Publication Date
SE313030B SE313030B (en) 1969-08-04
SE313030C true SE313030C (en) 1974-10-17

Family

ID=20293926

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1141967A SE313030C (en) 1967-08-14 1967-08-14 Rock and earth drilling device

Country Status (1)

Country Link
SE (1) SE313030C (en)

Also Published As

Publication number Publication date
SE313030B (en) 1969-08-04

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