ES488902A0 - Perfeccionamientos en las herramientas para perforar mate- rias petreas - Google Patents
Perfeccionamientos en las herramientas para perforar mate- rias petreasInfo
- Publication number
- ES488902A0 ES488902A0 ES488902A ES488902A ES488902A0 ES 488902 A0 ES488902 A0 ES 488902A0 ES 488902 A ES488902 A ES 488902A ES 488902 A ES488902 A ES 488902A ES 488902 A0 ES488902 A0 ES 488902A0
- Authority
- ES
- Spain
- Prior art keywords
- petreas
- tools
- drilling materials
- drilling
- materials
- 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.)
- Granted
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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES488902A ES488902A0 (es) | 1980-02-25 | 1980-02-25 | Perfeccionamientos en las herramientas para perforar mate- rias petreas |
FR8103523A FR2476737A1 (fr) | 1980-02-25 | 1981-02-23 | Outil pour perforer les materiaux pierreux du type a dents comportant une ailette helicoidale de transport |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES488902A ES488902A0 (es) | 1980-02-25 | 1980-02-25 | Perfeccionamientos en las herramientas para perforar mate- rias petreas |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8102625A1 ES8102625A1 (es) | 1980-12-01 |
ES488902A0 true ES488902A0 (es) | 1980-12-01 |
Family
ID=8479877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES488902A Granted ES488902A0 (es) | 1980-02-25 | 1980-02-25 | Perfeccionamientos en las herramientas para perforar mate- rias petreas |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES488902A0 (es) |
FR (1) | FR2476737A1 (es) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2780439A (en) * | 1954-09-20 | 1957-02-05 | Kandle Charles William | Earth boring drills |
US3375890A (en) * | 1965-12-20 | 1968-04-02 | Petersen Anita E | Earth auger construction |
US3905432A (en) * | 1971-07-12 | 1975-09-16 | Hughes Tool Co | Auger with rotatable cutters |
US3794129A (en) * | 1972-12-01 | 1974-02-26 | T Taylor | Step auger and rock bit combination |
DE2528003A1 (de) * | 1975-06-24 | 1977-01-20 | Krupp Gmbh | Gesteinsbohrer |
US4022286A (en) * | 1975-09-05 | 1977-05-10 | Leeco, Inc. | Auger |
US4074778A (en) * | 1976-07-14 | 1978-02-21 | The United States Of America As Represented By The Secretary Of The Interior | Square hole drill |
DE2709030C2 (de) * | 1977-03-02 | 1985-05-15 | Stahl- Und Apparatebau Hans Leffer Gmbh, 6602 Dudweiler | Drehbohrkrone mit Schwenkflügeln |
-
1980
- 1980-02-25 ES ES488902A patent/ES488902A0/es active Granted
-
1981
- 1981-02-23 FR FR8103523A patent/FR2476737A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2476737A1 (fr) | 1981-08-28 |
ES8102625A1 (es) | 1980-12-01 |
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