FI831129L - BORRSTAONGSSTYRNING - Google Patents
BORRSTAONGSSTYRNINGInfo
- Publication number
- FI831129L FI831129L FI831129A FI831129A FI831129L FI 831129 L FI831129 L FI 831129L FI 831129 A FI831129 A FI 831129A FI 831129 A FI831129 A FI 831129A FI 831129 L FI831129 L FI 831129L
- Authority
- FI
- Finland
- Prior art keywords
- borrstaongsstyrning
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8202083A SE429150B (en) | 1982-04-01 | 1982-04-01 | Drilling rod control |
SE8202083 | 1982-04-01 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI831129A0 FI831129A0 (en) | 1983-03-31 |
FI831129L true FI831129L (en) | 1983-10-02 |
FI75906B FI75906B (en) | 1988-04-29 |
FI75906C FI75906C (en) | 1988-08-08 |
Family
ID=20346435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI831129A FI75906C (en) | 1982-04-01 | 1983-03-31 | Drilling rig control |
Country Status (3)
Country | Link |
---|---|
FI (1) | FI75906C (en) |
NO (1) | NO157672C (en) |
SE (1) | SE429150B (en) |
-
1982
- 1982-04-01 SE SE8202083A patent/SE429150B/en not_active IP Right Cessation
-
1983
- 1983-03-30 NO NO831189A patent/NO157672C/en unknown
- 1983-03-31 FI FI831129A patent/FI75906C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO831189L (en) | 1983-10-03 |
FI831129A0 (en) | 1983-03-31 |
FI75906C (en) | 1988-08-08 |
SE429150B (en) | 1983-08-15 |
NO157672B (en) | 1988-01-18 |
FI75906B (en) | 1988-04-29 |
NO157672C (en) | 1988-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: ATLAS COPCO AKTIEBOLAG |