CA2567339C - Dispositif auxiliaire pour train de tiges de forage - Google Patents
Dispositif auxiliaire pour train de tiges de forage Download PDFInfo
- Publication number
- CA2567339C CA2567339C CA2567339A CA2567339A CA2567339C CA 2567339 C CA2567339 C CA 2567339C CA 2567339 A CA2567339 A CA 2567339A CA 2567339 A CA2567339 A CA 2567339A CA 2567339 C CA2567339 C CA 2567339C
- Authority
- CA
- Canada
- Prior art keywords
- fitting
- roller means
- axis
- roller
- rollers
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Dispositif auxiliaire pour train de tiges de forage ou autre raccord ayant un corps pourvu d'un alésage et doté d'une pluralité de moyens de roulement sur une partie extérieure du corps. Chaque moyen de roulement comporte un ou plusieurs rouleaux et peut tourner par rapport au corps autour d'un axe transversal à un axe de l'alésage. L'agencement est tel que le rouleau peut tourner par rapport au corps pour faciliter la réduction de frottement rotationnel et axial.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ272003 | 1995-04-27 | ||
CA002219426A CA2219426C (fr) | 1995-04-27 | 1996-04-26 | Dispositif auxiliaire pour train de tiges de forage |
NZ27200396 | 1996-04-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002219426A Division CA2219426C (fr) | 1995-04-27 | 1996-04-26 | Dispositif auxiliaire pour train de tiges de forage |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2567339A1 CA2567339A1 (fr) | 1996-10-31 |
CA2567339C true CA2567339C (fr) | 2010-01-26 |
Family
ID=37682483
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002567346A Expired - Lifetime CA2567346C (fr) | 1995-04-27 | 1996-04-26 | Dispositif auxiliaire pour train de tiges de forage |
CA2567339A Expired - Lifetime CA2567339C (fr) | 1995-04-27 | 1996-04-26 | Dispositif auxiliaire pour train de tiges de forage |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002567346A Expired - Lifetime CA2567346C (fr) | 1995-04-27 | 1996-04-26 | Dispositif auxiliaire pour train de tiges de forage |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2567346C (fr) |
-
1996
- 1996-04-26 CA CA002567346A patent/CA2567346C/fr not_active Expired - Lifetime
- 1996-04-26 CA CA2567339A patent/CA2567339C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2567339A1 (fr) | 1996-10-31 |
CA2567346A1 (fr) | 1996-10-31 |
CA2567346C (fr) | 2009-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20160426 |
|
MKEX | Expiry |
Effective date: 20160426 |