FR2094042A1 - - Google Patents
Info
- Publication number
- FR2094042A1 FR2094042A1 FR7120112A FR7120112A FR2094042A1 FR 2094042 A1 FR2094042 A1 FR 2094042A1 FR 7120112 A FR7120112 A FR 7120112A FR 7120112 A FR7120112 A FR 7120112A FR 2094042 A1 FR2094042 A1 FR 2094042A1
- 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.)
- Granted
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
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 |
|---|---|---|---|
| US4335070A | 1970-06-04 | 1970-06-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2094042A1 true FR2094042A1 (OSRAM) | 1972-02-04 |
| FR2094042B1 FR2094042B1 (OSRAM) | 1975-01-17 |
Family
ID=21926719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7120112A Expired FR2094042B1 (OSRAM) | 1970-06-04 | 1971-06-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3640355A (OSRAM) |
| BE (1) | BE768142A (OSRAM) |
| CA (1) | CA946825A (OSRAM) |
| CH (1) | CH541062A (OSRAM) |
| FR (1) | FR2094042B1 (OSRAM) |
| GB (1) | GB1336758A (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1051418A (en) * | 1976-02-03 | 1979-03-27 | Western Rock Bit Company Limited | Percussion drill bit |
| DE2733300C2 (de) * | 1977-07-21 | 1983-01-05 | Western Rock Bit Co. Ltd., Calgary, Alberta | Gesteinsbohrmeißel |
| US4189015A (en) * | 1978-08-21 | 1980-02-19 | Acker Drill Company, Inc. | Drill bits for obtaining core samples |
| GB2294069B (en) * | 1994-10-15 | 1998-10-28 | Camco Drilling Group Ltd | Improvements in or relating to rotary drills bits |
| DE69531277T2 (de) * | 1994-10-15 | 2004-05-19 | Camco Drilling Group Ltd., Stonehouse | Drehbohrmeissel |
| US8820441B2 (en) * | 2008-10-24 | 2014-09-02 | Tercel Ip Ltd. | Combination coring bit and drill bit using fixed cutter PDC cutters |
| CN114109255B (zh) * | 2021-11-24 | 2023-06-27 | 重庆科技学院 | 一种基于仿生学的钻掘装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2818233A (en) * | 1954-05-03 | 1957-12-31 | Jr Edward B Williams | Drill bit |
| FR1363375A (fr) * | 1963-05-02 | 1964-06-12 | Outil à balayage frontal | |
| FR1366092A (fr) * | 1963-05-27 | 1964-07-10 | Aquitaine Petrole | Outil rotatif perfectionné de forage |
| FR1366118A (fr) * | 1963-05-28 | 1964-07-10 | Aquitaine Petrole | Outil rotatif de forage |
| FR1366848A (fr) * | 1963-05-28 | 1964-07-17 | Aquitaine Petrole | Perfectionnements aux outils rotatifs de forage à lames fluides |
| US3216514A (en) * | 1962-02-23 | 1965-11-09 | Nelson Norman A | Rotary drilling apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2371489A (en) * | 1943-08-09 | 1945-03-13 | Sam P Daniel | Drill bit |
| US2371490A (en) * | 1944-04-10 | 1945-03-13 | Jr Edward B Williams | Step-cut drill bit |
| US3138213A (en) * | 1954-06-24 | 1964-06-23 | Orpha B Brandon | Method and apparatus for vibratory drilling |
| US3058535A (en) * | 1959-10-28 | 1962-10-16 | Edward B Williams Iii | Rotary drill bit |
| US3308896A (en) * | 1964-08-20 | 1967-03-14 | Homer I Henderson | Drilling bit |
| US3405770A (en) * | 1966-05-25 | 1968-10-15 | Hughes Tool Co | Drilling method and apparatus employing pressure variations in a drilling fluid |
-
1970
- 1970-06-04 US US43350A patent/US3640355A/en not_active Expired - Lifetime
-
1971
- 1971-05-28 GB GB1784371A patent/GB1336758A/en not_active Expired
- 1971-05-31 CA CA114,397A patent/CA946825A/en not_active Expired
- 1971-06-02 CH CH802771A patent/CH541062A/fr not_active IP Right Cessation
- 1971-06-03 FR FR7120112A patent/FR2094042B1/fr not_active Expired
- 1971-06-04 BE BE768142A patent/BE768142A/xx unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2818233A (en) * | 1954-05-03 | 1957-12-31 | Jr Edward B Williams | Drill bit |
| US3216514A (en) * | 1962-02-23 | 1965-11-09 | Nelson Norman A | Rotary drilling apparatus |
| FR1363375A (fr) * | 1963-05-02 | 1964-06-12 | Outil à balayage frontal | |
| FR1366092A (fr) * | 1963-05-27 | 1964-07-10 | Aquitaine Petrole | Outil rotatif perfectionné de forage |
| FR1366118A (fr) * | 1963-05-28 | 1964-07-10 | Aquitaine Petrole | Outil rotatif de forage |
| FR1366848A (fr) * | 1963-05-28 | 1964-07-17 | Aquitaine Petrole | Perfectionnements aux outils rotatifs de forage à lames fluides |
Also Published As
| Publication number | Publication date |
|---|---|
| US3640355A (en) | 1972-02-08 |
| BE768142A (fr) | 1971-11-03 |
| CH541062A (fr) | 1973-08-31 |
| CA946825A (en) | 1974-05-07 |
| GB1336758A (en) | 1973-11-07 |
| FR2094042B1 (OSRAM) | 1975-01-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |