NO912127L - DRILLING TOOL FOR THE CREATION OF BORES IN UNDERGROUND MOUNTAIN FORMS. - Google Patents

DRILLING TOOL FOR THE CREATION OF BORES IN UNDERGROUND MOUNTAIN FORMS.

Info

Publication number
NO912127L
NO912127L NO91912127A NO912127A NO912127L NO 912127 L NO912127 L NO 912127L NO 91912127 A NO91912127 A NO 91912127A NO 912127 A NO912127 A NO 912127A NO 912127 L NO912127 L NO 912127L
Authority
NO
Norway
Prior art keywords
bores
creation
drilling tool
underground mountain
mountain forms
Prior art date
Application number
NO91912127A
Other languages
Norwegian (no)
Other versions
NO301900B1 (en
NO912127D0 (en
Inventor
Hans-Juergen Faber
Dagobert Feld
Volker Krueger
Original Assignee
Baker Hughes Inc
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
Priority claimed from DE4017761A external-priority patent/DE4017761A1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO912127D0 publication Critical patent/NO912127D0/en
Publication of NO912127L publication Critical patent/NO912127L/en
Publication of NO301900B1 publication Critical patent/NO301900B1/en

Links

NO912127A 1990-06-01 1991-06-03 Drilling tools for drilling in underground rock formations NO301900B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4017761A DE4017761A1 (en) 1990-06-01 1990-06-01 DRILLING TOOL FOR DRILLING HOLES IN SUBSTRATE ROCK INFORMATION
EP90115963A EP0459008B1 (en) 1990-06-01 1990-08-21 Drilling tool for directional drilling

Publications (3)

Publication Number Publication Date
NO912127D0 NO912127D0 (en) 1991-06-03
NO912127L true NO912127L (en) 1991-12-02
NO301900B1 NO301900B1 (en) 1997-12-22

Family

ID=25893777

Family Applications (1)

Application Number Title Priority Date Filing Date
NO912127A NO301900B1 (en) 1990-06-01 1991-06-03 Drilling tools for drilling in underground rock formations

Country Status (2)

Country Link
CA (1) CA2043695C (en)
NO (1) NO301900B1 (en)

Also Published As

Publication number Publication date
CA2043695A1 (en) 1991-12-02
NO301900B1 (en) 1997-12-22
NO912127D0 (en) 1991-06-03
CA2043695C (en) 2001-12-04

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Legal Events

Date Code Title Description
MK1K Patent expired