SE8902082L - Borrverktyg - Google Patents
BorrverktygInfo
- Publication number
- SE8902082L SE8902082L SE8902082A SE8902082A SE8902082L SE 8902082 L SE8902082 L SE 8902082L SE 8902082 A SE8902082 A SE 8902082A SE 8902082 A SE8902082 A SE 8902082A SE 8902082 L SE8902082 L SE 8902082L
- Authority
- SE
- Sweden
- Prior art keywords
- drilling tools
- drilling
- tools
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
- E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8902082A SE8902082L (sv) | 1989-06-09 | 1989-06-09 | Borrverktyg |
AU55975/90A AU633319B2 (en) | 1989-06-09 | 1990-05-28 | Drill tool |
EP19900850220 EP0402337A3 (en) | 1989-06-09 | 1990-05-31 | Drill tool |
FI902847A FI902847A0 (fi) | 1989-06-09 | 1990-06-07 | Borrningsverktyg. |
CA002018445A CA2018445A1 (en) | 1989-06-09 | 1990-06-07 | Drill tool |
BR909002718A BR9002718A (pt) | 1989-06-09 | 1990-06-08 | Broca de furacao,tubo de revestimento e dispositivo de guia |
KR1019900008592A KR910000284A (ko) | 1989-06-09 | 1990-06-09 | 드릴공구 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8902082A SE8902082L (sv) | 1989-06-09 | 1989-06-09 | Borrverktyg |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8902082D0 SE8902082D0 (sv) | 1989-06-09 |
SE8902082L true SE8902082L (sv) | 1990-12-10 |
Family
ID=20376226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8902082A SE8902082L (sv) | 1989-06-09 | 1989-06-09 | Borrverktyg |
Country Status (2)
Country | Link |
---|---|
BR (1) | BR9002718A (sv) |
SE (1) | SE8902082L (sv) |
-
1989
- 1989-06-09 SE SE8902082A patent/SE8902082L/sv not_active Application Discontinuation
-
1990
- 1990-06-08 BR BR909002718A patent/BR9002718A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
SE8902082D0 (sv) | 1989-06-09 |
BR9002718A (pt) | 1991-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8902082-0 Effective date: 19950101 |
|
NAV | Patent application has lapsed |
Ref document number: 8902082-0 |