FI903615A - BORRNINGSFOERFARANDE OCH BORRKRONEAPPARATUR. - Google Patents
BORRNINGSFOERFARANDE OCH BORRKRONEAPPARATUR. Download PDFInfo
- Publication number
- FI903615A FI903615A FI903615A FI903615A FI903615A FI 903615 A FI903615 A FI 903615A FI 903615 A FI903615 A FI 903615A FI 903615 A FI903615 A FI 903615A FI 903615 A FI903615 A FI 903615A
- Authority
- FI
- Finland
- Prior art keywords
- borrningsfoerfarande
- borrkroneapparatur
- och
- och borrkroneapparatur
- borrningsfoerfarande och
- Prior art date
Links
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
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/003—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by analysing drilling variables or conditions
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/006—Measuring wall stresses in the borehole
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI903615A FI87390C (en) | 1990-07-18 | 1990-07-18 | Drilling procedure and drill bit apparatus |
PCT/FI1991/000220 WO1992001857A1 (en) | 1990-07-18 | 1991-07-18 | Drilling method and drill bit equipment |
AU82078/91A AU8207891A (en) | 1990-07-18 | 1991-07-18 | Drilling method and drill bit equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI903615A FI87390C (en) | 1990-07-18 | 1990-07-18 | Drilling procedure and drill bit apparatus |
FI903615 | 1990-07-18 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI903615A0 FI903615A0 (en) | 1990-07-18 |
FI903615A true FI903615A (en) | 1992-01-19 |
FI87390B FI87390B (en) | 1992-09-15 |
FI87390C FI87390C (en) | 1992-12-28 |
Family
ID=8530817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI903615A FI87390C (en) | 1990-07-18 | 1990-07-18 | Drilling procedure and drill bit apparatus |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU8207891A (en) |
FI (1) | FI87390C (en) |
WO (1) | WO1992001857A1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2644672A (en) * | 1951-01-29 | 1953-07-07 | Ted C Mathews | Diamond bit protector |
US2723836A (en) * | 1954-09-24 | 1955-11-15 | Bit Guides Inc | Core bit protector |
CH560312A5 (en) * | 1972-09-15 | 1975-03-27 | Lorenz Howard Ira | Drill bit protective sheath - for rock drills |
-
1990
- 1990-07-18 FI FI903615A patent/FI87390C/en not_active IP Right Cessation
-
1991
- 1991-07-18 AU AU82078/91A patent/AU8207891A/en not_active Abandoned
- 1991-07-18 WO PCT/FI1991/000220 patent/WO1992001857A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU8207891A (en) | 1992-02-18 |
WO1992001857A1 (en) | 1992-02-06 |
FI87390B (en) | 1992-09-15 |
FI87390C (en) | 1992-12-28 |
FI903615A0 (en) | 1990-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: GEOMACHINE OY |