DE3166805D1 - A drill rod guiding and centralizing mechanism - Google Patents
A drill rod guiding and centralizing mechanismInfo
- Publication number
- DE3166805D1 DE3166805D1 DE8181901712T DE3166805T DE3166805D1 DE 3166805 D1 DE3166805 D1 DE 3166805D1 DE 8181901712 T DE8181901712 T DE 8181901712T DE 3166805 T DE3166805 T DE 3166805T DE 3166805 D1 DE3166805 D1 DE 3166805D1
- Authority
- DE
- Germany
- Prior art keywords
- drill rod
- rod guiding
- centralizing mechanism
- centralizing
- guiding
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI802116A FI62892C (en) | 1980-07-02 | 1980-07-02 | STYRNINGS- OCH CENTRERINGSANORDNING FOER BORRSTAONG |
PCT/FI1981/000045 WO1982000171A1 (en) | 1980-07-02 | 1981-06-12 | A drill steel guiding and centralizing mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3166805D1 true DE3166805D1 (en) | 1984-11-29 |
Family
ID=26157140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181901712T Expired DE3166805D1 (en) | 1980-07-02 | 1981-06-12 | A drill rod guiding and centralizing mechanism |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU541378B2 (en) |
DE (1) | DE3166805D1 (en) |
NO (1) | NO156987C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI74778C (en) * | 1986-04-21 | 1988-03-10 | Tampella Oy Ab | Rod control device for a joint bar drilling equipment. |
-
1981
- 1981-06-12 AU AU72940/81A patent/AU541378B2/en not_active Ceased
- 1981-06-12 DE DE8181901712T patent/DE3166805D1/en not_active Expired
-
1982
- 1982-02-25 NO NO820585A patent/NO156987C/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU7294081A (en) | 1982-02-02 |
AU541378B2 (en) | 1985-01-03 |
NO156987B (en) | 1987-09-21 |
NO156987C (en) | 1988-01-06 |
NO820585L (en) | 1982-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |