SE324545B - - Google Patents
Info
- Publication number
- SE324545B SE324545B SE170067A SE170067A SE324545B SE 324545 B SE324545 B SE 324545B SE 170067 A SE170067 A SE 170067A SE 170067 A SE170067 A SE 170067A SE 324545 B SE324545 B SE 324545B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR48812A FR1506283A (en) | 1966-02-08 | 1966-02-08 | Process Improvements for Resharpening Composite Rotary Drilling Tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE324545B true SE324545B (en) | 1970-06-08 |
Family
ID=8600820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE170067A SE324545B (en) | 1966-02-08 | 1967-02-07 |
Country Status (4)
| Country | Link |
|---|---|
| FR (1) | FR1506283A (en) |
| GB (1) | GB1156082A (en) |
| NO (1) | NO122516B (en) |
| SE (1) | SE324545B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2255299A (en) * | 1991-04-18 | 1992-11-04 | Rasa Ind Ltd | Concrete boring/cutting device with tool dressing means |
| US9784061B2 (en) | 2015-06-01 | 2017-10-10 | Kuwait Institute For Scientific Research | Bore hole tracer injection apparatus |
| CN111456642A (en) * | 2019-01-18 | 2020-07-28 | 西南石油大学 | Micro-core composite drill bit |
| CN113073942A (en) * | 2021-03-19 | 2021-07-06 | 中南大学 | Drill bit for drilling |
-
1966
- 1966-02-08 FR FR48812A patent/FR1506283A/en not_active Expired
-
1967
- 1967-02-03 NO NO16670667A patent/NO122516B/no unknown
- 1967-02-07 GB GB574267A patent/GB1156082A/en not_active Expired
- 1967-02-07 SE SE170067A patent/SE324545B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1156082A (en) | 1969-06-25 |
| NO122516B (en) | 1971-07-05 |
| FR1506283A (en) | 1967-12-22 |