DE3763647D1 - Bohren mit bohrlochswerkzeugen. - Google Patents
Bohren mit bohrlochswerkzeugen.Info
- Publication number
- DE3763647D1 DE3763647D1 DE8787902601T DE3763647T DE3763647D1 DE 3763647 D1 DE3763647 D1 DE 3763647D1 DE 8787902601 T DE8787902601 T DE 8787902601T DE 3763647 T DE3763647 T DE 3763647T DE 3763647 D1 DE3763647 D1 DE 3763647D1
- Authority
- DE
- Germany
- Prior art keywords
- drilling
- hole tools
- tools
- hole
- 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 - Lifetime
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868608857A GB8608857D0 (en) | 1986-04-11 | 1986-04-11 | Drilling |
PCT/GB1987/000245 WO1987006300A1 (en) | 1986-04-11 | 1987-04-10 | Improvements in drilling using downhole drilling tools |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3763647D1 true DE3763647D1 (de) | 1990-08-16 |
Family
ID=26290613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787902601T Expired - Lifetime DE3763647D1 (de) | 1986-04-11 | 1987-04-10 | Bohren mit bohrlochswerkzeugen. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3763647D1 (de) |
-
1987
- 1987-04-10 DE DE8787902601T patent/DE3763647D1/de not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |