FR2385883B1 - - Google Patents
Info
- Publication number
- FR2385883B1 FR2385883B1 FR7709825A FR7709825A FR2385883B1 FR 2385883 B1 FR2385883 B1 FR 2385883B1 FR 7709825 A FR7709825 A FR 7709825A FR 7709825 A FR7709825 A FR 7709825A FR 2385883 B1 FR2385883 B1 FR 2385883B1
- 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
- E21B10/02—Core bits
- E21B10/04—Core bits with core destroying means
-
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7709825A FR2385883A1 (fr) | 1977-03-31 | 1977-03-31 | Outil de forage a haut rendement a attaque rapide de la carotte |
GB11740/78A GB1592727A (en) | 1977-03-31 | 1978-03-23 | Drilling tools |
US05/892,357 US4207954A (en) | 1977-03-31 | 1978-03-31 | Core bit having axial conical core breaker |
CA300,192A CA1108596A (fr) | 1977-03-31 | 1978-03-31 | Outil de forage a haut rendement a attaque rapide de la carotte |
DE19782813850 DE2813850A1 (de) | 1977-03-31 | 1978-03-31 | Bohrmeissel fuer erd- und gesteinsbohrungen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7709825A FR2385883A1 (fr) | 1977-03-31 | 1977-03-31 | Outil de forage a haut rendement a attaque rapide de la carotte |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2385883A1 FR2385883A1 (fr) | 1978-10-27 |
FR2385883B1 true FR2385883B1 (fr) | 1982-12-10 |
Family
ID=9188865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7709825A Granted FR2385883A1 (fr) | 1977-03-31 | 1977-03-31 | Outil de forage a haut rendement a attaque rapide de la carotte |
Country Status (5)
Country | Link |
---|---|
US (1) | US4207954A (fr) |
CA (1) | CA1108596A (fr) |
DE (1) | DE2813850A1 (fr) |
FR (1) | FR2385883A1 (fr) |
GB (1) | GB1592727A (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538442B1 (fr) * | 1982-12-23 | 1986-02-28 | Charbonnages De France | Taillant pour foration rotative assistee par jet |
US4491188A (en) * | 1983-03-07 | 1985-01-01 | Norton Christensen, Inc. | Diamond cutting element in a rotating bit |
US4499959A (en) * | 1983-03-14 | 1985-02-19 | Christensen, Inc. | Tooth configuration for an earth boring bit |
US4554986A (en) * | 1983-07-05 | 1985-11-26 | Reed Rock Bit Company | Rotary drill bit having drag cutting elements |
US4640374A (en) * | 1984-01-30 | 1987-02-03 | Strata Bit Corporation | Rotary drill bit |
US4582458A (en) * | 1984-08-09 | 1986-04-15 | American Saw & Mfg. Company | Stepped drill construction |
EP0192016B1 (fr) * | 1985-02-19 | 1988-12-28 | Strata Bit Corporation | Trépan rotatif |
US4673044A (en) * | 1985-08-02 | 1987-06-16 | Eastman Christensen Co. | Earth boring bit for soft to hard formations |
US4892159A (en) * | 1988-11-29 | 1990-01-09 | Exxon Production Research Company | Kerf-cutting apparatus and method for improved drilling rates |
US5145017A (en) * | 1991-01-07 | 1992-09-08 | Exxon Production Research Company | Kerf-cutting apparatus for increased drilling rates |
US6547017B1 (en) | 1994-09-07 | 2003-04-15 | Smart Drilling And Completion, Inc. | Rotary drill bit compensating for changes in hardness of geological formations |
US5615747A (en) * | 1994-09-07 | 1997-04-01 | Vail, Iii; William B. | Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys |
US5755299A (en) * | 1995-08-03 | 1998-05-26 | Dresser Industries, Inc. | Hardfacing with coated diamond particles |
US5957221A (en) * | 1996-02-28 | 1999-09-28 | Baker Hughes Incorporated | Downhole core sampling and testing apparatus |
US6637521B2 (en) * | 2001-07-11 | 2003-10-28 | Hilti Aktiengesellschaft | Earth borer |
US8820441B2 (en) * | 2008-10-24 | 2014-09-02 | Tercel Ip Ltd. | Combination coring bit and drill bit using fixed cutter PDC cutters |
US8739899B2 (en) | 2010-07-19 | 2014-06-03 | Baker Hughes Incorporated | Small core generation and analysis at-bit as LWD tool |
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 |
US20210363831A1 (en) * | 2020-05-07 | 2021-11-25 | Kenneth Layton STARR | System and Method for A Drill Bit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738166A (en) * | 1952-10-15 | 1956-03-13 | Reed Roller Bit Co | Diamond drilling bits |
US2731236A (en) * | 1953-10-05 | 1956-01-17 | Bruce Floyd | Diamond drill bit |
US2975849A (en) * | 1958-04-25 | 1961-03-21 | Diamond Oil Well Drilling | Core disintegrating drill bit |
US3112800A (en) * | 1959-08-28 | 1963-12-03 | Phillips Petroleum Co | Method of drilling with high velocity jet cutter rock bit |
US3055443A (en) * | 1960-05-31 | 1962-09-25 | Jersey Prod Res Co | Drill bit |
US3158216A (en) * | 1961-04-27 | 1964-11-24 | Inst Francais Du Petrole | High speed drill bit |
DE1226962B (de) * | 1963-05-28 | 1966-10-20 | Aquitaine Petrole | Drehvollbohrkrone mit Flachstrahlduesen |
FR2135053B1 (fr) * | 1971-05-04 | 1974-08-19 | Petroles Cie Francaise | |
FR2197325A5 (fr) * | 1972-08-23 | 1974-03-22 | Sogreah | |
US3845830A (en) * | 1973-02-22 | 1974-11-05 | Texaco Inc | Method for making high penetration rate drill bits and two bits made thereby |
-
1977
- 1977-03-31 FR FR7709825A patent/FR2385883A1/fr active Granted
-
1978
- 1978-03-23 GB GB11740/78A patent/GB1592727A/en not_active Expired
- 1978-03-31 US US05/892,357 patent/US4207954A/en not_active Expired - Lifetime
- 1978-03-31 CA CA300,192A patent/CA1108596A/fr not_active Expired
- 1978-03-31 DE DE19782813850 patent/DE2813850A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2813850A1 (de) | 1978-10-19 |
GB1592727A (en) | 1981-07-08 |
US4207954A (en) | 1980-06-17 |
CA1108596A (fr) | 1981-09-08 |
FR2385883A1 (fr) | 1978-10-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |