BE740959A - - Google Patents
Info
- Publication number
- BE740959A BE740959A BE740959DA BE740959A BE 740959 A BE740959 A BE 740959A BE 740959D A BE740959D A BE 740959DA BE 740959 A BE740959 A BE 740959A
- Authority
- BE
- Belgium
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
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- 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)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6907864A FR2029963A5 (US20100223739A1-20100909-C00025.png) | 1969-03-19 | 1969-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE740959A true BE740959A (US20100223739A1-20100909-C00025.png) | 1970-04-01 |
Family
ID=9030879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE740959D BE740959A (US20100223739A1-20100909-C00025.png) | 1969-03-19 | 1969-10-29 |
Country Status (14)
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2105219C3 (de) * | 1971-02-04 | 1981-06-11 | Shell Internationale Research Maatschappij B.V., 's-Gravenhage | Diamantbohrmeißel |
| FR2135053B1 (US20100223739A1-20100909-C00025.png) * | 1971-05-04 | 1974-08-19 | Petroles Cie Francaise | |
| SU483863A1 (ru) * | 1973-01-03 | 1980-06-15 | Всесоюзный Научно-Исследоваельский И Проектный Институт Тугоплавких Металлов И Твердых Сплавов | Способ изготовлени алмазного бурового инструмента |
| US3938599A (en) * | 1974-03-27 | 1976-02-17 | Hycalog, Inc. | Rotary drill bit |
| JPS5410325B2 (US20100223739A1-20100909-C00025.png) * | 1974-06-10 | 1979-05-04 | ||
| DE2633779C3 (de) * | 1976-07-28 | 1983-11-03 | Richard 5383 Kierspe Karnebogen | Schlagbohrkrone |
| US4073354A (en) * | 1976-11-26 | 1978-02-14 | Christensen, Inc. | Earth-boring drill bits |
| GB1548499A (en) * | 1977-05-17 | 1979-07-18 | Shell Int Research | Rotary drilling bit for deephole drilling and method of manufacturing the same |
| GB1537000A (en) * | 1977-08-17 | 1978-12-29 | Shell Int Research | Rotary drilling bit |
| US4351401A (en) * | 1978-06-08 | 1982-09-28 | Christensen, Inc. | Earth-boring drill bits |
| US4244432A (en) * | 1978-06-08 | 1981-01-13 | Christensen, Inc. | Earth-boring drill bits |
| US4234048A (en) * | 1978-06-12 | 1980-11-18 | Christensen, Inc. | Drill bits embodying impregnated segments |
| FR2433130A1 (fr) * | 1978-08-11 | 1980-03-07 | Petroles Cie Francaise | Dispositif antifriction, notamment pour turbine, et procede de realisation |
| US4241798A (en) * | 1979-01-29 | 1980-12-30 | Reed Tool Company | Drilling bits for plastic formations |
| DE2916347C3 (de) * | 1979-04-23 | 1981-12-03 | Christensen, Inc., 84114 Salt Lake City, Utah | Lagerstuhl für Direktantriebe von Tiefbohrmeißeln o.dgl. in einem Bohrloch arbeitenden Werkzeugen oder Geräten |
| US4550790A (en) * | 1983-02-28 | 1985-11-05 | Norton Christensen, Inc. | Diamond rotating bit |
| DE3687798T2 (de) * | 1986-05-19 | 1993-08-05 | Smith International | Kuehlnetzwerke fuer lagerflaechen aus polykristallinem diamant. |
| US5175988A (en) * | 1988-06-23 | 1993-01-05 | Kanai Juyo Kogyo Company Ltd. | Ring for spinning machinery |
| DE9308443U1 (de) * | 1993-06-05 | 1993-08-19 | Bilfinger + Berger Bauaktiengesellschaft, 68165 Mannheim | Vollbohrkrone zum Herstellen von verrohrten Erdbohrungen |
| CA2191662C (en) * | 1995-12-05 | 2001-01-30 | Zhigang Fang | Pressure molded powder metal milled tooth rock bit cone |
| US6394202B2 (en) | 1999-06-30 | 2002-05-28 | Smith International, Inc. | Drill bit having diamond impregnated inserts primary cutting structure |
| US8327956B2 (en) * | 2008-12-19 | 2012-12-11 | Varel International, Ind., L.P. | Multi-set PDC drill bit and method |
| WO2010115146A2 (en) * | 2009-04-02 | 2010-10-07 | Jones Mark L | Drill bit for earth boring |
| GB201008093D0 (en) * | 2010-05-14 | 2010-06-30 | Element Six Production Pty Ltd | Polycrystalline diamond |
| US9194189B2 (en) | 2011-09-19 | 2015-11-24 | Baker Hughes Incorporated | Methods of forming a cutting element for an earth-boring tool, a related cutting element, and an earth-boring tool including such a cutting element |
| WO2013109664A1 (en) | 2012-01-20 | 2013-07-25 | Baker Hughes Incorporated | Superabrasive-impregnated earth-boring tools with extended features and aggressive compositions, and related methods |
| GB2579514B (en) | 2013-06-06 | 2020-12-16 | Milwaukee Electric Tool Corp | Step drill bit |
| US11273501B2 (en) | 2018-04-26 | 2022-03-15 | Milwaukee Electric Tool Corporation | Step drill bit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA659574A (en) * | 1963-03-19 | H. Davis Sidney | Drilling bit | |
| US2381415A (en) * | 1943-11-19 | 1945-08-07 | Jr Edward B Williams | Drill bit |
| US2607562A (en) * | 1951-03-19 | 1952-08-19 | Phipps Orville | Self-piloted rotary drill bit |
| US2800302A (en) * | 1952-01-23 | 1957-07-23 | Austin Powder Co | Auger head |
| US3059708A (en) * | 1959-08-07 | 1962-10-23 | Jersey Prod Res Co | Abrasion resistant stepped blade rotary drill bit |
| US3106973A (en) * | 1960-09-26 | 1963-10-15 | Christensen Diamond Prod Co | Rotary drill bits |
| US3158216A (en) * | 1961-04-27 | 1964-11-24 | Inst Francais Du Petrole | High speed drill bit |
| US3180440A (en) * | 1962-12-31 | 1965-04-27 | Jersey Prod Res Co | Drag bit |
| GB996796A (en) * | 1963-03-09 | 1965-06-30 | P & V Mining & Engineering Ltd | Improvements in and relating to tools for operating in rock, coal and other material |
| US3280927A (en) * | 1964-01-31 | 1966-10-25 | Petersen Anita E | Finger-type pilot bit |
-
1969
- 1969-03-19 FR FR6907864A patent/FR2029963A5/fr not_active Expired
- 1969-10-29 BE BE740959D patent/BE740959A/xx not_active IP Right Cessation
- 1969-10-30 DE DE1954576A patent/DE1954576C3/de not_active Expired
- 1969-11-17 US US877341A patent/US3696875A/en not_active Expired - Lifetime
- 1969-11-21 SU SU1378834A patent/SU547179A3/ru active
- 1969-12-22 NL NL696919217A patent/NL152053B/xx not_active IP Right Cessation
- 1969-12-31 ES ES375650A patent/ES375650A1/es not_active Expired
-
1970
- 1970-01-08 YU YU34/70A patent/YU33125B/xx unknown
- 1970-01-15 CS CS70315A patent/CS193458B2/cs unknown
- 1970-01-23 RO RO62233A patent/RO58895A/ro unknown
- 1970-02-09 CH CH181870A patent/CH528008A/fr not_active IP Right Cessation
- 1970-02-26 BR BR217010/70A patent/BR7017010D0/pt unknown
- 1970-03-03 PL PL1970139159A patent/PL74590B1/pl unknown
- 1970-03-18 GB GB5615669A patent/GB1310883A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES375650A1 (es) | 1972-05-16 |
| FR2029963A5 (US20100223739A1-20100909-C00025.png) | 1970-10-23 |
| US3696875A (en) | 1972-10-10 |
| DE1954576C3 (de) | 1973-10-31 |
| BR7017010D0 (pt) | 1973-04-10 |
| SU547179A3 (ru) | 1977-02-15 |
| CS193458B2 (en) | 1979-10-31 |
| RO58895A (US20100223739A1-20100909-C00025.png) | 1976-01-15 |
| NL6919217A (US20100223739A1-20100909-C00025.png) | 1970-09-22 |
| YU33125B (en) | 1976-04-30 |
| DE1954576A1 (de) | 1970-10-01 |
| YU3470A (en) | 1975-10-31 |
| DE1954576B2 (de) | 1973-04-12 |
| PL74590B1 (en) | 1974-12-31 |
| CH528008A (fr) | 1972-09-15 |
| NL152053B (nl) | 1977-01-17 |
| GB1310883A (en) | 1973-03-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: CIE FRANCAISE DES PETROLES S.A. Effective date: 19891029 |