FR2353702B1 - - Google Patents
Info
- Publication number
- FR2353702B1 FR2353702B1 FR7716479A FR7716479A FR2353702B1 FR 2353702 B1 FR2353702 B1 FR 2353702B1 FR 7716479 A FR7716479 A FR 7716479A FR 7716479 A FR7716479 A FR 7716479A FR 2353702 B1 FR2353702 B1 FR 2353702B1
- 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
- E21B10/58—Chisel-type 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond 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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2279676A GB1546198A (en) | 1976-06-02 | 1976-06-02 | Rotary earth boring bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2353702A1 FR2353702A1 (fr) | 1977-12-30 |
| FR2353702B1 true FR2353702B1 (enExample) | 1983-01-14 |
Family
ID=10185200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7716479A Granted FR2353702A1 (fr) | 1976-06-02 | 1977-05-31 | Trepan de forage par rotation |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE855238A (enExample) |
| CA (1) | CA1063095A (enExample) |
| DE (1) | DE2724547A1 (enExample) |
| FR (1) | FR2353702A1 (enExample) |
| GB (1) | GB1546198A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3039633C2 (de) * | 1980-10-21 | 1983-08-18 | Christensen, Inc., 84115 Salt Lake City, Utah | Drehbohrmeißel, insbesondere für Tiefbohrungen |
| GB2185506B (en) * | 1986-01-21 | 1989-03-30 | Shell Int Research | Rotary drill bit |
| CN116104420B (zh) * | 2023-03-20 | 2025-05-16 | 西南石油大学 | 一种具有双流道结构的pdc钻头 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2365941A (en) * | 1942-08-31 | 1944-12-26 | Shell Dev | Oil well drill bit |
| DE1054039B (de) * | 1958-02-03 | 1959-04-02 | Salzgitter Maschinen Ag | Bohrmeissel |
| FR1265943A (fr) * | 1960-05-25 | 1961-07-07 | Europ De Turboforage Soc | Trépan pour le forage du sol |
| US3191698A (en) * | 1962-05-17 | 1965-06-29 | Drilling & Service Inc | Blade-type drill bit |
| US3153458A (en) * | 1962-10-08 | 1964-10-20 | Drilling & Service Inc | Blade-type drill bit |
-
1976
- 1976-06-02 GB GB2279676A patent/GB1546198A/en not_active Expired
-
1977
- 1977-03-29 CA CA274,965A patent/CA1063095A/en not_active Expired
- 1977-05-31 BE BE178073A patent/BE855238A/xx not_active IP Right Cessation
- 1977-05-31 FR FR7716479A patent/FR2353702A1/fr active Granted
- 1977-05-31 DE DE19772724547 patent/DE2724547A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2724547A1 (de) | 1977-12-15 |
| FR2353702A1 (fr) | 1977-12-30 |
| BE855238A (fr) | 1977-11-30 |
| GB1546198A (en) | 1979-05-16 |
| CA1063095A (en) | 1979-09-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |