FR2152409B2 - - Google Patents
Info
- Publication number
- FR2152409B2 FR2152409B2 FR7132896A FR7132896A FR2152409B2 FR 2152409 B2 FR2152409 B2 FR 2152409B2 FR 7132896 A FR7132896 A FR 7132896A FR 7132896 A FR7132896 A FR 7132896A FR 2152409 B2 FR2152409 B2 FR 2152409B2
- Authority
- FR
- France
- 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.)
- Expired
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Sliding-Contact Bearings (AREA)
- Drilling Tools (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7132896A FR2152409B2 (enExample) | 1971-09-13 | 1971-09-13 | |
| ES396978A ES396978A2 (es) | 1971-09-13 | 1971-10-30 | Mejoras en los sistemas de perforacion. |
| IT22187/72A IT998063B (it) | 1971-09-13 | 1972-03-22 | Utensile di perforazione ad altis simo rendimento particolarmente per perforazioni geologiche |
| BE785611A BE785611R (fr) | 1971-09-13 | 1972-06-29 | Outil de forage a tres haut |
| AR243201A AR195969A1 (es) | 1971-09-13 | 1972-07-21 | Herramienta de perforacion |
| CH1170772A CH532187A (fr) | 1969-03-19 | 1972-08-08 | Outil de forage |
| GB4252972A GB1405900A (en) | 1971-09-13 | 1972-09-13 | Earth drilling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7132896A FR2152409B2 (enExample) | 1971-09-13 | 1971-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2152409A2 FR2152409A2 (enExample) | 1973-04-27 |
| FR2152409B2 true FR2152409B2 (enExample) | 1974-05-31 |
Family
ID=9082832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7132896A Expired FR2152409B2 (enExample) | 1969-03-19 | 1971-09-13 |
Country Status (6)
| Country | Link |
|---|---|
| AR (1) | AR195969A1 (enExample) |
| BE (1) | BE785611R (enExample) |
| ES (1) | ES396978A2 (enExample) |
| FR (1) | FR2152409B2 (enExample) |
| GB (1) | GB1405900A (enExample) |
| IT (1) | IT998063B (enExample) |
-
1971
- 1971-09-13 FR FR7132896A patent/FR2152409B2/fr not_active Expired
- 1971-10-30 ES ES396978A patent/ES396978A2/es not_active Expired
-
1972
- 1972-03-22 IT IT22187/72A patent/IT998063B/it active
- 1972-06-29 BE BE785611A patent/BE785611R/xx active
- 1972-07-21 AR AR243201A patent/AR195969A1/es active
- 1972-09-13 GB GB4252972A patent/GB1405900A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2152409A2 (enExample) | 1973-04-27 |
| IT998063B (it) | 1976-01-20 |
| ES396978A2 (es) | 1974-10-01 |
| BE785611R (fr) | 1972-10-16 |
| GB1405900A (en) | 1975-09-10 |
| AR195969A1 (es) | 1973-11-23 |