RU2002125558A - Elevator for lowering and lifting drill pipes - Google Patents
Elevator for lowering and lifting drill pipesInfo
- Publication number
- RU2002125558A RU2002125558A RU2002125558/03A RU2002125558A RU2002125558A RU 2002125558 A RU2002125558 A RU 2002125558A RU 2002125558/03 A RU2002125558/03 A RU 2002125558/03A RU 2002125558 A RU2002125558 A RU 2002125558A RU 2002125558 A RU2002125558 A RU 2002125558A
- Authority
- RU
- Russia
- Prior art keywords
- elevator
- flaps
- lowering
- drill pipes
- thrust surfaces
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2002125558/03A RU2235846C2 (en) | 2002-09-24 | 2002-09-24 | Elevator for lowering and lifting drilling pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2002125558/03A RU2235846C2 (en) | 2002-09-24 | 2002-09-24 | Elevator for lowering and lifting drilling pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2002125558A true RU2002125558A (en) | 2004-03-27 |
RU2235846C2 RU2235846C2 (en) | 2004-09-10 |
Family
ID=33433019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2002125558/03A RU2235846C2 (en) | 2002-09-24 | 2002-09-24 | Elevator for lowering and lifting drilling pipes |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2235846C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2507369C1 (en) * | 2012-09-20 | 2014-02-20 | Закрытое акционерное общество "Научно-производственное предприятие "СибБурМаш" | Elevator for two pipe strings trip |
-
2002
- 2002-09-24 RU RU2002125558/03A patent/RU2235846C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2235846C2 (en) | 2004-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
QB4A | Licence on use of patent |
Effective date: 20070817 |
|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20100925 |