NO135125B - - Google Patents

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Publication number
NO135125B
NO135125B NO750814A NO750814A NO135125B NO 135125 B NO135125 B NO 135125B NO 750814 A NO750814 A NO 750814A NO 750814 A NO750814 A NO 750814A NO 135125 B NO135125 B NO 135125B
Authority
NO
Norway
Prior art keywords
piston
rotary motor
oil
drill bit
drill
Prior art date
Application number
NO750814A
Other languages
English (en)
Norwegian (no)
Other versions
NO750814L (sv
NO135125C (sv
Inventor
P Kollandsrud
Original Assignee
Moelven Brug As
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 Moelven Brug As filed Critical Moelven Brug As
Priority to NO750814A priority Critical patent/NO135125C/no
Publication of NO750814L publication Critical patent/NO750814L/no
Publication of NO135125B publication Critical patent/NO135125B/no
Publication of NO135125C publication Critical patent/NO135125C/no

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Landscapes

  • Earth Drilling (AREA)
NO750814A 1975-03-11 1975-03-11 NO135125C (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO750814A NO135125C (sv) 1975-03-11 1975-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO750814A NO135125C (sv) 1975-03-11 1975-03-11

Publications (3)

Publication Number Publication Date
NO750814L NO750814L (sv) 1976-09-14
NO135125B true NO135125B (sv) 1976-11-08
NO135125C NO135125C (sv) 1977-02-16

Family

ID=19882133

Family Applications (1)

Application Number Title Priority Date Filing Date
NO750814A NO135125C (sv) 1975-03-11 1975-03-11

Country Status (1)

Country Link
NO (1) NO135125C (sv)

Also Published As

Publication number Publication date
NO750814L (sv) 1976-09-14
NO135125C (sv) 1977-02-16

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