CA1095020A - Outil de forage pour fond de puits - Google Patents
Outil de forage pour fond de puitsInfo
- Publication number
- CA1095020A CA1095020A CA311,114A CA311114A CA1095020A CA 1095020 A CA1095020 A CA 1095020A CA 311114 A CA311114 A CA 311114A CA 1095020 A CA1095020 A CA 1095020A
- Authority
- CA
- Canada
- Prior art keywords
- shaft
- bearing
- housing
- bearings
- rotor
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000369924A CA1122200A (fr) | 1977-11-09 | 1981-02-02 | Turboforeuse |
Applications Claiming Priority (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84997977A | 1977-11-09 | 1977-11-09 | |
| US84997877A | 1977-11-09 | 1977-11-09 | |
| US849,979 | 1977-11-09 | ||
| US849,988 | 1977-11-09 | ||
| US05/849,976 US4114702A (en) | 1977-11-09 | 1977-11-09 | Well drilling tool with lubricant level indicator |
| US05/849,977 US4114703A (en) | 1977-11-09 | 1977-11-09 | Well drilling tool having sealed lubrication system |
| US849,976 | 1977-11-09 | ||
| US849,978 | 1977-11-09 | ||
| US849,977 | 1977-11-09 | ||
| US05/849,988 US4114704A (en) | 1977-11-09 | 1977-11-09 | Down hole well drilling tool with reversible thrust bearings |
| US941,275 | 1978-09-11 | ||
| US05/941,275 US4225000A (en) | 1978-09-11 | 1978-09-11 | Down hole drilling motor with pressure balanced bearing seals |
| US05/941,405 US4246976A (en) | 1978-09-11 | 1978-09-11 | Down hole drilling motor with pressure balanced bearing seals |
| US941,405 | 1978-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1095020A true CA1095020A (fr) | 1981-02-03 |
Family
ID=27569928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA311,114A Expired CA1095020A (fr) | 1977-11-09 | 1978-09-12 | Outil de forage pour fond de puits |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1095020A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113079701A (zh) * | 2018-11-07 | 2021-07-06 | 瑞沃井下工具有限公司 | 带有下部密封件的泥浆润滑式轴承组件 |
-
1978
- 1978-09-12 CA CA311,114A patent/CA1095020A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113079701A (zh) * | 2018-11-07 | 2021-07-06 | 瑞沃井下工具有限公司 | 带有下部密封件的泥浆润滑式轴承组件 |
| CN113079701B (zh) * | 2018-11-07 | 2023-11-24 | 瑞沃井下工具有限公司 | 带有下部密封件的泥浆润滑式轴承组件 |
Similar Documents
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|---|---|---|
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| CA1122200A (fr) | Turboforeuse | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |