ZA200110556B - Roller cone drill bit structure having improved journal angle and journal offset. - Google Patents
Roller cone drill bit structure having improved journal angle and journal offset.Info
- Publication number
- ZA200110556B ZA200110556B ZA200110556A ZA200110556A ZA200110556B ZA 200110556 B ZA200110556 B ZA 200110556B ZA 200110556 A ZA200110556 A ZA 200110556A ZA 200110556 A ZA200110556 A ZA 200110556A ZA 200110556 B ZA200110556 B ZA 200110556B
- Authority
- ZA
- South Africa
- Prior art keywords
- journal
- drill bit
- roller cone
- bit structure
- cone drill
- Prior art date
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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
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)
- Earth Drilling (AREA)
- Rolls And Other Rotary Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/749,204 US6561291B2 (en) | 2000-12-27 | 2000-12-27 | Roller cone drill bit structure having improved journal angle and journal offset |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200110556B true ZA200110556B (en) | 2002-07-29 |
Family
ID=25012715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200110556A ZA200110556B (en) | 2000-12-27 | 2001-12-21 | Roller cone drill bit structure having improved journal angle and journal offset. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6561291B2 (xx) |
AU (1) | AU758430B2 (xx) |
CA (1) | CA2366198C (xx) |
GB (1) | GB2370591B (xx) |
ZA (1) | ZA200110556B (xx) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU781290B2 (en) * | 2000-05-18 | 2005-05-12 | Smith International, Inc. | Rolling cone bit with elements fanned along the gage curve |
US6786288B2 (en) * | 2001-08-16 | 2004-09-07 | Smith International, Inc. | Cutting structure for roller cone drill bits |
US8678111B2 (en) | 2007-11-16 | 2014-03-25 | Baker Hughes Incorporated | Hybrid drill bit and design method |
US9074431B2 (en) | 2008-01-11 | 2015-07-07 | Smith International, Inc. | Rolling cone drill bit having high density cutting elements |
EP2478177A2 (en) * | 2009-09-16 | 2012-07-25 | Baker Hughes Incorporated | External, divorced pdc bearing assemblies for hybrid drill bits |
EP2588704B1 (en) | 2010-06-29 | 2017-11-01 | Baker Hughes Incorporated | Drill bits with anti-tracking features |
US9782857B2 (en) | 2011-02-11 | 2017-10-10 | Baker Hughes Incorporated | Hybrid drill bit having increased service life |
RU2601645C2 (ru) | 2011-02-11 | 2016-11-10 | Бейкер Хьюз Инкорпорейтед | Система и способ фиксации лапы на гибридных долотах |
EP2780532B1 (en) | 2011-11-15 | 2020-01-08 | Baker Hughes, a GE company, LLC | Hybrid drill bits having increased drilling efficiency |
CN103758458B (zh) * | 2014-01-10 | 2015-12-30 | 西南石油大学 | 一种混合式单牙轮钻头 |
RU2689465C2 (ru) | 2014-05-23 | 2019-05-28 | Бейкер Хьюз Инкорпорейтед | Комбинированное буровое долото с механическим креплением элементов шарошечного узла долота |
US11428050B2 (en) | 2014-10-20 | 2022-08-30 | Baker Hughes Holdings Llc | Reverse circulation hybrid bit |
US10508500B2 (en) | 2017-08-30 | 2019-12-17 | Baker Hughes, A Ge Company, Llc | Earth boring tools having fixed blades and rotatable cutting structures and related methods |
US10801266B2 (en) | 2018-05-18 | 2020-10-13 | Baker Hughes, A Ge Company, Llc | Earth-boring tools having fixed blades and rotatable cutting structures and related methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1104232A1 (ru) * | 1983-01-05 | 1984-07-23 | Уфимский Нефтяной Институт | Опора бурового шарошечного долота |
US5487435A (en) * | 1994-07-07 | 1996-01-30 | Baker Hughes Incorporated | Mounting system for raise and shaft cutters |
US5606895A (en) * | 1994-08-08 | 1997-03-04 | Dresser Industries, Inc. | Method for manufacture and rebuild a rotary drill bit |
US6390210B1 (en) | 1996-04-10 | 2002-05-21 | Smith International, Inc. | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
US6345673B1 (en) | 1998-11-20 | 2002-02-12 | Smith International, Inc. | High offset bits with super-abrasive cutters |
AU781290B2 (en) * | 2000-05-18 | 2005-05-12 | Smith International, Inc. | Rolling cone bit with elements fanned along the gage curve |
-
2000
- 2000-12-27 US US09/749,204 patent/US6561291B2/en not_active Expired - Lifetime
-
2001
- 2001-12-11 GB GB0129627A patent/GB2370591B/en not_active Expired - Fee Related
- 2001-12-21 AU AU97406/01A patent/AU758430B2/en not_active Ceased
- 2001-12-21 CA CA002366198A patent/CA2366198C/en not_active Expired - Fee Related
- 2001-12-21 ZA ZA200110556A patent/ZA200110556B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB0129627D0 (en) | 2002-01-30 |
AU9740601A (en) | 2002-07-04 |
AU758430B2 (en) | 2003-03-20 |
CA2366198A1 (en) | 2002-06-27 |
GB2370591A (en) | 2002-07-03 |
US6561291B2 (en) | 2003-05-13 |
GB2370591B (en) | 2003-03-05 |
CA2366198C (en) | 2005-09-13 |
US20020079138A1 (en) | 2002-06-27 |
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