GB1556562A - Earthboring drill bits - Google Patents
Earthboring drill bitsInfo
- Publication number
- GB1556562A GB1556562A GB28257/77A GB2825777A GB1556562A GB 1556562 A GB1556562 A GB 1556562A GB 28257/77 A GB28257/77 A GB 28257/77A GB 2825777 A GB2825777 A GB 2825777A GB 1556562 A GB1556562 A GB 1556562A
- Authority
- GB
- United Kingdom
- Prior art keywords
- earthboring
- drill bits
- drill
- bits
- earthboring drill
- Prior art date
- 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
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Holo Graphy (AREA)
- Surgical Instruments (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70442476A | 1976-07-12 | 1976-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1556562A true GB1556562A (en) | 1979-11-28 |
Family
ID=24829415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB28257/77A Expired GB1556562A (en) | 1976-07-12 | 1977-07-06 | Earthboring drill bits |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS539205A (no) |
AU (1) | AU504704B2 (no) |
BE (1) | BE856697A (no) |
BR (1) | BR7704531A (no) |
CA (1) | CA1074779A (no) |
DE (1) | DE2730602C3 (no) |
FR (1) | FR2358537A1 (no) |
GB (1) | GB1556562A (no) |
MX (1) | MX144441A (no) |
NL (1) | NL172477C (no) |
NO (1) | NO149181C (no) |
SU (1) | SU946410A3 (no) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136035A (en) * | 1983-02-22 | 1984-09-12 | Nl Industries Inc | Improved pcd cutter and bit |
US4505342A (en) * | 1982-11-22 | 1985-03-19 | Nl Industries, Inc. | Drill bit |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098363A (en) * | 1977-04-25 | 1978-07-04 | Christensen, Inc. | Diamond drilling bit for soft and medium hard formations |
ZA781154B (en) * | 1978-02-28 | 1979-09-26 | De Beers Ind Diamond | Abrasive bodies |
GB2060735B (en) * | 1979-10-16 | 1983-06-22 | Christensen Inc | Diamond drill bits for drilling bore holes in earth formations |
US4453605A (en) * | 1981-04-30 | 1984-06-12 | Nl Industries, Inc. | Drill bit and method of metallurgical and mechanical holding of cutters in a drill bit |
US4593777A (en) * | 1983-02-22 | 1986-06-10 | Nl Industries, Inc. | Drag bit and cutters |
JPS5998982U (ja) * | 1983-07-26 | 1984-07-04 | 大成建設株式会社 | ビツトの構造 |
JPS60246985A (ja) * | 1984-05-21 | 1985-12-06 | 住友電気工業株式会社 | ドリルビツト |
US20050133276A1 (en) | 2003-12-17 | 2005-06-23 | Azar Michael G. | Bits and cutting structures |
DE102006031243A1 (de) * | 2005-09-30 | 2007-04-05 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Sämaschine |
JP5800587B2 (ja) * | 2011-06-16 | 2015-10-28 | 株式会社斜面対策研究所 | 削孔装置 |
RU2615660C1 (ru) * | 2016-02-16 | 2017-04-06 | Товарищество С Ограниченной Ответственностью "Научно-Внедренческий Центр Алмас" | Буровое долото |
CN113445925B (zh) * | 2021-08-02 | 2023-01-10 | 新疆格瑞迪斯石油技术股份有限公司 | 一种石油钻井用辅助钻杆稳定且提高清渣效率的牙轮钻头 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1388490A (en) * | 1920-09-18 | 1921-08-23 | John R Suman | Rotary earth-boring drill |
US1506119A (en) * | 1923-02-01 | 1924-08-26 | Ingersoll Rand Co | Core-drill bit |
DE686029C (de) * | 1938-02-03 | 1939-12-30 | Edelstahlwerke Akt Ges Deutsch | Mehrfluegeliger Drehbohrer mit Schneidentraegern aus Hertmetall |
DE878477C (de) * | 1939-05-17 | 1953-06-01 | Diamantwerkzeugfabrik Rudolf H | Steinbearbeitungswerkzeug, insbesondere Steinsaege, Steinbohrer, Abdrehwerkzeug od. dgl. |
US2381415A (en) * | 1943-11-19 | 1945-08-07 | Jr Edward B Williams | Drill bit |
FR1340987A (fr) * | 1962-09-15 | 1963-10-25 | Turbodrill Internat Corp | Trépan pour le forage des roches |
US3311181A (en) * | 1964-05-04 | 1967-03-28 | John B Fowler | Bi-metal drilling tooth |
US3709308A (en) * | 1970-12-02 | 1973-01-09 | Christensen Diamond Prod Co | Diamond drill bits |
DE2113577A1 (de) * | 1971-03-20 | 1972-09-21 | Richard Karnebogen | Schlagbohrkrone zum Bohren von Gestein u.dgl. |
US3825083A (en) * | 1972-02-02 | 1974-07-23 | Christensen Diamond Prod Co | Drill bit and stabilizer combination |
DE2327379C2 (de) * | 1973-05-29 | 1982-12-30 | Shell Internationale Research Maatschappij B.V., 2501 's-Gravenhage | Drehbohrmeißel zum Gesteinsbohren mit Diamanten als Schneidelementen |
GB1466036A (en) * | 1974-02-13 | 1977-03-02 | Sabre D R | Rotary earth-cutting tools |
-
1977
- 1977-03-22 NO NO771015A patent/NO149181C/no unknown
- 1977-03-22 MX MX168451A patent/MX144441A/es unknown
- 1977-06-07 NL NLAANVRAGE7706233,A patent/NL172477C/xx not_active IP Right Cessation
- 1977-06-23 AU AU26395/77A patent/AU504704B2/en not_active Expired
- 1977-07-06 JP JP8089377A patent/JPS539205A/ja active Granted
- 1977-07-06 GB GB28257/77A patent/GB1556562A/en not_active Expired
- 1977-07-07 DE DE2730602A patent/DE2730602C3/de not_active Expired
- 1977-07-08 BR BR7704531A patent/BR7704531A/pt unknown
- 1977-07-08 CA CA282,374A patent/CA1074779A/en not_active Expired
- 1977-07-11 BE BE179252A patent/BE856697A/xx not_active IP Right Cessation
- 1977-07-11 SU SU772505702A patent/SU946410A3/ru active
- 1977-07-11 FR FR7721336A patent/FR2358537A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4505342A (en) * | 1982-11-22 | 1985-03-19 | Nl Industries, Inc. | Drill bit |
GB2136035A (en) * | 1983-02-22 | 1984-09-12 | Nl Industries Inc | Improved pcd cutter and bit |
Also Published As
Publication number | Publication date |
---|---|
DE2730602A1 (de) | 1978-01-19 |
DE2730602C3 (de) | 1981-10-29 |
NL172477B (nl) | 1983-04-05 |
NO149181B (no) | 1983-11-21 |
NL7706233A (nl) | 1978-01-16 |
BE856697A (fr) | 1978-01-11 |
JPS539205A (en) | 1978-01-27 |
JPS5614832B2 (no) | 1981-04-07 |
MX144441A (es) | 1981-10-15 |
DE2730602B2 (de) | 1981-02-05 |
FR2358537A1 (fr) | 1978-02-10 |
AU504704B2 (en) | 1979-10-25 |
NL172477C (nl) | 1983-09-01 |
CA1074779A (en) | 1980-04-01 |
SU946410A3 (ru) | 1982-07-23 |
NO771015L (no) | 1978-01-13 |
BR7704531A (pt) | 1978-05-02 |
FR2358537B1 (no) | 1983-03-25 |
NO149181C (no) | 1984-02-29 |
AU2639577A (en) | 1979-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19970705 |