FR2467966B1 - - Google Patents
Info
- Publication number
- FR2467966B1 FR2467966B1 FR7926551A FR7926551A FR2467966B1 FR 2467966 B1 FR2467966 B1 FR 2467966B1 FR 7926551 A FR7926551 A FR 7926551A FR 7926551 A FR7926551 A FR 7926551A FR 2467966 B1 FR2467966 B1 FR 2467966B1
- 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
- E21B10/02—Core bits
- E21B10/04—Core bits with core destroying means
-
- 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
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7926551A FR2467966A1 (fr) | 1979-10-25 | 1979-10-25 | Trepan de forage ayant des lames de coupe formees separement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7926551A FR2467966A1 (fr) | 1979-10-25 | 1979-10-25 | Trepan de forage ayant des lames de coupe formees separement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2467966A1 FR2467966A1 (fr) | 1981-04-30 |
| FR2467966B1 true FR2467966B1 (enExample) | 1984-08-17 |
Family
ID=9231050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7926551A Granted FR2467966A1 (fr) | 1979-10-25 | 1979-10-25 | Trepan de forage ayant des lames de coupe formees separement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2467966A1 (enExample) |
-
1979
- 1979-10-25 FR FR7926551A patent/FR2467966A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2467966A1 (fr) | 1981-04-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |