IT1060744B - Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenuto - Google Patents
Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenutoInfo
- Publication number
- IT1060744B IT1060744B IT2378376A IT2378376A IT1060744B IT 1060744 B IT1060744 B IT 1060744B IT 2378376 A IT2378376 A IT 2378376A IT 2378376 A IT2378376 A IT 2378376A IT 1060744 B IT1060744 B IT 1060744B
- Authority
- IT
- Italy
- Prior art keywords
- drills
- tool
- lubricating
- completely
- drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 230000001050 lubricating effect Effects 0.000 title 1
- 238000000034 method 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N37/00—Equipment for transferring lubricant from one container to another
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58005075A | 1975-05-30 | 1975-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1060744B true IT1060744B (it) | 1982-08-20 |
Family
ID=24319449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2378376A IT1060744B (it) | 1975-05-30 | 1976-05-31 | Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenuto |
Country Status (3)
Country | Link |
---|---|
BR (1) | BR7600745A (it) |
FR (2) | FR2319764A1 (it) |
IT (1) | IT1060744B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI781181A (fi) * | 1977-07-01 | 1979-01-02 | Dresser Ind | Foerfarande foer framstaellning av en roterande bergborrkrona |
-
1976
- 1976-02-06 BR BR7600745A patent/BR7600745A/pt unknown
- 1976-05-26 FR FR7615903A patent/FR2319764A1/fr active Granted
- 1976-05-31 IT IT2378376A patent/IT1060744B/it active
- 1976-10-21 FR FR7631670A patent/FR2319841A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2319764A1 (fr) | 1977-02-25 |
FR2319841A1 (fr) | 1977-02-25 |
BR7600745A (pt) | 1977-05-10 |
FR2319764B3 (it) | 1979-02-16 |
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