FR1317937A - - Google Patents
Info
- Publication number
- FR1317937A FR1317937A FR1317937DA FR1317937A FR 1317937 A FR1317937 A FR 1317937A FR 1317937D A FR1317937D A FR 1317937DA FR 1317937 A FR1317937 A FR 1317937A
- 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
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
-
- 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
- E21B10/56—Button-type inserts
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1317937A true FR1317937A (de) | 1963-05-10 |
Family
ID=1572039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1317937D Expired FR1317937A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1317937A (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208154A (en) * | 1978-03-21 | 1980-06-17 | Gundy William P | Core drill |
| EP0583629A1 (de) * | 1992-08-10 | 1994-02-23 | Bauer Spezialtiefbau GmbH | Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern |
-
0
- FR FR1317937D patent/FR1317937A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208154A (en) * | 1978-03-21 | 1980-06-17 | Gundy William P | Core drill |
| EP0583629A1 (de) * | 1992-08-10 | 1994-02-23 | Bauer Spezialtiefbau GmbH | Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern |