ZA853605B - Rotary drill bit - Google Patents
Rotary drill bitInfo
- Publication number
- ZA853605B ZA853605B ZA853605A ZA853605A ZA853605B ZA 853605 B ZA853605 B ZA 853605B ZA 853605 A ZA853605 A ZA 853605A ZA 853605 A ZA853605 A ZA 853605A ZA 853605 B ZA853605 B ZA 853605B
- Authority
- ZA
- South Africa
- Prior art keywords
- drill bit
- rotary drill
- rotary
- bit
- drill
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8403242A SE457656B (sv) | 1984-06-18 | 1984-06-18 | Borrkrona innefattande en roterande skaerrulle och borrhuvud innefattande saadan borrkrona |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA853605B true ZA853605B (en) | 1985-12-24 |
Family
ID=20356259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA853605A ZA853605B (en) | 1984-06-18 | 1985-05-13 | Rotary drill bit |
Country Status (7)
Country | Link |
---|---|
US (1) | US4641718A (xx) |
AU (1) | AU580307B2 (xx) |
CA (1) | CA1235113A (xx) |
DE (1) | DE3521159C2 (xx) |
NO (1) | NO166250C (xx) |
SE (1) | SE457656B (xx) |
ZA (1) | ZA853605B (xx) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE34167E (en) * | 1985-10-11 | 1993-01-26 | Santrade Limited | Drill bit and roller cutter for said drill bit |
SE459436B (sv) * | 1985-10-11 | 1989-07-03 | Sandvik Ab | Borrhuvud och skaerrulle avsedd att anvaendas vid detta |
US5042596A (en) * | 1989-02-21 | 1991-08-27 | Amoco Corporation | Imbalance compensated drill bit |
US5010789A (en) * | 1989-02-21 | 1991-04-30 | Amoco Corporation | Method of making imbalanced compensated drill bit |
CA1333282C (en) * | 1989-02-21 | 1994-11-29 | J. Ford Brett | Imbalance compensated drill bit |
US5016719A (en) * | 1990-01-24 | 1991-05-21 | Western Rock Bit Company Limited | Rotary cone type rock bits |
US5027913A (en) * | 1990-04-12 | 1991-07-02 | Smith International, Inc. | Insert attack angle for roller cone rock bits |
US5485888A (en) * | 1993-05-17 | 1996-01-23 | R. H. Woods, Ltd. | Spherical reaming bit |
US6604587B1 (en) * | 2000-06-14 | 2003-08-12 | Smith International, Inc. | Flat profile cutting structure for roller cone drill bits |
US20050257963A1 (en) * | 2004-05-20 | 2005-11-24 | Joseph Tucker | Self-Aligning Insert for Drill Bits |
US8678111B2 (en) | 2007-11-16 | 2014-03-25 | Baker Hughes Incorporated | Hybrid drill bit and design method |
EP2478177A2 (en) * | 2009-09-16 | 2012-07-25 | Baker Hughes Incorporated | External, divorced pdc bearing assemblies for hybrid drill bits |
CN105672887B (zh) | 2010-06-29 | 2019-08-20 | 贝克休斯公司 | 具有防钻头循旧槽结构的混合式钻头 |
RU2601645C2 (ru) | 2011-02-11 | 2016-11-10 | Бейкер Хьюз Инкорпорейтед | Система и способ фиксации лапы на гибридных долотах |
US9782857B2 (en) | 2011-02-11 | 2017-10-10 | Baker Hughes Incorporated | Hybrid drill bit having increased service life |
BR112014011743B1 (pt) | 2011-11-15 | 2020-08-25 | Baker Hughes Incorporated | broca de perfuração de furação de terreno, método utilizando a mesma e broca de perfuração para a perfuração de um furo de poço em formações de terreno |
BR112016027337A8 (pt) | 2014-05-23 | 2021-05-04 | Baker Hughes Inc | broca híbrida com montagem de cortador mecanicamente fixada |
US11428050B2 (en) | 2014-10-20 | 2022-08-30 | Baker Hughes Holdings Llc | Reverse circulation hybrid bit |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126066A (en) * | 1964-03-24 | Rotary drill bit with wiper blade | ||
US1238757A (en) * | 1913-02-28 | 1917-09-04 | Levi S Gardner | Rotary drill. |
US1859948A (en) * | 1929-07-29 | 1932-05-24 | John A Zublin | Bit with cutters having scraping and rolling motions |
US2058749A (en) * | 1934-03-28 | 1936-10-27 | Williams Iron Works Company | Drill bit |
US2362860A (en) * | 1941-12-22 | 1944-11-14 | Allen M Rossman | Earth boring rock bit |
US2336335A (en) * | 1942-08-13 | 1943-12-07 | John A Zublin | Rotary hammering bit |
US2598518A (en) * | 1948-04-21 | 1952-05-27 | Normand E Dufilho | Rock bit |
US3726350A (en) * | 1971-05-24 | 1973-04-10 | Hughes Tool Co | Anti-tracking earth boring drill |
US3858670A (en) * | 1972-05-08 | 1975-01-07 | Eugene Gray Ott | Insert cutter for cutting kerfs |
US4154312A (en) * | 1977-05-26 | 1979-05-15 | Eduardo Barnetche | Drill bit with single cutting head |
US4089382A (en) * | 1977-04-04 | 1978-05-16 | Hughes Tool Company | Cutter mounting for a large hole earth boring bit |
US4187922A (en) * | 1978-05-12 | 1980-02-12 | Dresser Industries, Inc. | Varied pitch rotary rock bit |
US4248314A (en) * | 1979-05-29 | 1981-02-03 | Hughes Tool Company | Shaft drill bit with overlapping cutter arrangement |
US4316515A (en) * | 1979-05-29 | 1982-02-23 | Hughes Tool Company | Shaft drill bit with improved cutter bearing and seal arrangement and cutter insert arrangement |
US4441566A (en) * | 1980-06-23 | 1984-04-10 | Hughes Tool Company | Drill bit with dispersed cutter inserts |
DE3131201C2 (de) * | 1981-06-10 | 1984-08-16 | Preussag AG Bauwesen, 3005 Hemmingen | Bohrkopf zum Gesteinsbohren |
US4372403A (en) * | 1981-09-14 | 1983-02-08 | Beeman Archie W | Eccentric rotary bit |
-
1984
- 1984-06-18 SE SE8403242A patent/SE457656B/sv not_active IP Right Cessation
-
1985
- 1985-05-13 ZA ZA853605A patent/ZA853605B/xx unknown
- 1985-05-20 US US06/735,997 patent/US4641718A/en not_active Expired - Lifetime
- 1985-05-27 CA CA000482420A patent/CA1235113A/en not_active Expired
- 1985-05-28 AU AU43064/85A patent/AU580307B2/en not_active Expired
- 1985-06-13 DE DE3521159A patent/DE3521159C2/de not_active Expired
- 1985-06-17 NO NO852444A patent/NO166250C/no unknown
Also Published As
Publication number | Publication date |
---|---|
SE8403242D0 (sv) | 1984-06-18 |
DE3521159C2 (de) | 1986-12-11 |
SE8403242L (sv) | 1985-12-19 |
SE457656B (sv) | 1989-01-16 |
DE3521159A1 (de) | 1985-12-19 |
AU4306485A (en) | 1986-01-02 |
NO166250C (no) | 1991-06-19 |
NO852444L (no) | 1985-12-19 |
US4641718A (en) | 1987-02-10 |
NO166250B (no) | 1991-03-11 |
AU580307B2 (en) | 1989-01-12 |
CA1235113A (en) | 1988-04-12 |
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