CA2007610C - Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage - Google Patents
Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayageInfo
- Publication number
- CA2007610C CA2007610C CA 2007610 CA2007610A CA2007610C CA 2007610 C CA2007610 C CA 2007610C CA 2007610 CA2007610 CA 2007610 CA 2007610 A CA2007610 A CA 2007610A CA 2007610 C CA2007610 C CA 2007610C
- Authority
- CA
- Canada
- Prior art keywords
- hammer
- chamber
- piston
- valve
- casing
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2007610 CA2007610C (fr) | 1990-01-11 | 1990-01-11 | Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2007610 CA2007610C (fr) | 1990-01-11 | 1990-01-11 | Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2007610A1 CA2007610A1 (fr) | 1991-07-11 |
CA2007610C true CA2007610C (fr) | 1999-01-26 |
Family
ID=4143998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2007610 Expired - Lifetime CA2007610C (fr) | 1990-01-11 | 1990-01-11 | Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2007610C (fr) |
-
1990
- 1990-01-11 CA CA 2007610 patent/CA2007610C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2007610A1 (fr) | 1991-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |