CA2143793C - Logement cintre servant au forage en fonds de puits - Google Patents
Logement cintre servant au forage en fonds de puitsInfo
- Publication number
- CA2143793C CA2143793C CA 2143793 CA2143793A CA2143793C CA 2143793 C CA2143793 C CA 2143793C CA 2143793 CA2143793 CA 2143793 CA 2143793 A CA2143793 A CA 2143793A CA 2143793 C CA2143793 C CA 2143793C
- Authority
- CA
- Canada
- Prior art keywords
- housing
- mandrel
- ring
- face
- central axis
- 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 - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2143793 CA2143793C (fr) | 1995-02-27 | 1995-02-27 | Logement cintre servant au forage en fonds de puits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2143793 CA2143793C (fr) | 1995-02-27 | 1995-02-27 | Logement cintre servant au forage en fonds de puits |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2143793A1 CA2143793A1 (fr) | 1996-08-28 |
CA2143793C true CA2143793C (fr) | 1998-04-21 |
Family
ID=4155348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2143793 Expired - Fee Related CA2143793C (fr) | 1995-02-27 | 1995-02-27 | Logement cintre servant au forage en fonds de puits |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2143793C (fr) |
-
1995
- 1995-02-27 CA CA 2143793 patent/CA2143793C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2143793A1 (fr) | 1996-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |