NO810090L - Borkrone og anvendelse av samme. - Google Patents

Borkrone og anvendelse av samme.

Info

Publication number
NO810090L
NO810090L NO810090A NO810090A NO810090L NO 810090 L NO810090 L NO 810090L NO 810090 A NO810090 A NO 810090A NO 810090 A NO810090 A NO 810090A NO 810090 L NO810090 L NO 810090L
Authority
NO
Norway
Prior art keywords
drilling
same
Prior art date
Application number
NO810090A
Other languages
English (en)
Other versions
NO156730B (no
NO156730C (no
Inventor
John Michael Fuller
Original Assignee
Drilling & Service Uk Ltd
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 Drilling & Service Uk Ltd filed Critical Drilling & Service Uk Ltd
Publication of NO810090L publication Critical patent/NO810090L/no
Publication of NO156730B publication Critical patent/NO156730B/no
Publication of NO156730C publication Critical patent/NO156730C/no

Links

NO810090A 1980-01-10 1981-01-13 Rotasjonsborkrone for dypboring. NO156730C (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8000606 1980-01-10
GB8001489 1980-01-16
GB8007686 1980-03-06

Publications (3)

Publication Number Publication Date
NO810090L true NO810090L (no) 1981-07-17
NO156730B NO156730B (no) 1987-08-03
NO156730C NO156730C (no) 1987-11-11

Family

ID=27260838

Family Applications (1)

Application Number Title Priority Date Filing Date
NO810090A NO156730C (no) 1980-01-10 1981-01-13 Rotasjonsborkrone for dypboring.

Country Status (1)

Country Link
NO (1) NO156730C (no)

Also Published As

Publication number Publication date
NO156730B (no) 1987-08-03
NO156730C (no) 1987-11-11

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