ZA842109B - Tooth design using cylindrical diamond cutting elements - Google Patents
Tooth design using cylindrical diamond cutting elementsInfo
- Publication number
- ZA842109B ZA842109B ZA842109A ZA842109A ZA842109B ZA 842109 B ZA842109 B ZA 842109B ZA 842109 A ZA842109 A ZA 842109A ZA 842109 A ZA842109 A ZA 842109A ZA 842109 B ZA842109 B ZA 842109B
- Authority
- ZA
- South Africa
- Prior art keywords
- cutting elements
- diamond cutting
- tooth design
- cylindrical diamond
- cylindrical
- Prior art date
Links
- 229910003460 diamond Inorganic materials 0.000 title 1
- 239000010432 diamond Substances 0.000 title 1
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)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47706883A | 1983-03-21 | 1983-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA842109B true ZA842109B (en) | 1984-11-28 |
Family
ID=23894393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA842109A ZA842109B (en) | 1983-03-21 | 1984-03-21 | Tooth design using cylindrical diamond cutting elements |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0119620B1 (ja) |
JP (1) | JPS6016692A (ja) |
AU (1) | AU2568884A (ja) |
BR (1) | BR8401280A (ja) |
CA (1) | CA1218355A (ja) |
DE (1) | DE3481435D1 (ja) |
ZA (1) | ZA842109B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86100885A (zh) * | 1985-01-25 | 1986-08-20 | 诺顿-克里斯坦森公司 | 一种改进的沟槽切削型钻头 |
US4673044A (en) * | 1985-08-02 | 1987-06-16 | Eastman Christensen Co. | Earth boring bit for soft to hard formations |
GB2188354B (en) * | 1986-03-27 | 1989-11-22 | Shell Int Research | Rotary drill bit |
CA2698169C (en) | 2007-09-05 | 2015-02-03 | Groupe Fordia Inc. | Drill bit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5382601A (en) * | 1976-12-28 | 1978-07-21 | Tokiwa Kogyo Kk | Rotary grinding type excavation drill head |
US4351401A (en) * | 1978-06-08 | 1982-09-28 | Christensen, Inc. | Earth-boring drill bits |
US4373593A (en) * | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
DE3114749C2 (de) * | 1981-04-11 | 1983-10-27 | Christensen, Inc., 84115 Salt Lake City, Utah | Keilförmiges Schneidglied für Drehbohrmeißel zum Tiefbohren |
US4529047A (en) * | 1983-02-24 | 1985-07-16 | Norton Christensen, Inc. | Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element |
-
1984
- 1984-03-16 AU AU25688/84A patent/AU2568884A/en not_active Abandoned
- 1984-03-19 JP JP59051265A patent/JPS6016692A/ja active Pending
- 1984-03-19 EP EP84102985A patent/EP0119620B1/en not_active Expired - Lifetime
- 1984-03-19 DE DE8484102985T patent/DE3481435D1/de not_active Expired - Lifetime
- 1984-03-20 CA CA000450039A patent/CA1218355A/en not_active Expired
- 1984-03-20 BR BR8401280A patent/BR8401280A/pt unknown
- 1984-03-21 ZA ZA842109A patent/ZA842109B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU2568884A (en) | 1984-09-27 |
DE3481435D1 (de) | 1990-04-05 |
EP0119620A2 (en) | 1984-09-26 |
CA1218355A (en) | 1987-02-24 |
EP0119620A3 (en) | 1986-02-12 |
BR8401280A (pt) | 1984-10-30 |
JPS6016692A (ja) | 1985-01-28 |
EP0119620B1 (en) | 1990-02-28 |
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