DE602007006490D1 - - Google Patents
Info
- Publication number
- DE602007006490D1 DE602007006490D1 DE602007006490T DE602007006490T DE602007006490D1 DE 602007006490 D1 DE602007006490 D1 DE 602007006490D1 DE 602007006490 T DE602007006490 T DE 602007006490T DE 602007006490 T DE602007006490 T DE 602007006490T DE 602007006490 D1 DE602007006490 D1 DE 602007006490D1
- Authority
- DE
- Germany
- 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.)
- Active
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
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
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)
- Sliding-Contact Bearings (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81253906P | 2006-06-09 | 2006-06-09 | |
US11/760,892 US7559381B2 (en) | 2006-06-09 | 2007-06-11 | Surface textures for earth boring bits |
PCT/US2007/013760 WO2007146276A1 (en) | 2006-06-09 | 2007-06-11 | Surface textures for earth boring bits |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602007006490D1 true DE602007006490D1 (de) | 2010-06-24 |
Family
ID=38820743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602007006490T Active DE602007006490D1 (de) | 2006-06-09 | 2007-06-11 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7559381B2 (de) |
EP (1) | EP2038507B1 (de) |
DE (1) | DE602007006490D1 (de) |
MX (1) | MX2008015677A (de) |
RU (1) | RU2008151728A (de) |
WO (1) | WO2007146276A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110024198A1 (en) * | 2008-02-19 | 2011-02-03 | Baker Hughes Incorporated | Bearing systems containing diamond enhanced materials and downhole applications for same |
US8418332B2 (en) * | 2008-03-14 | 2013-04-16 | Varel International Ind., L.P. | Method of texturing a bearing surface of a roller cone rock bit |
US8347683B2 (en) | 2008-03-14 | 2013-01-08 | Varel International Ind., L.P. | Texturing of the seal surface for a roller cone rock bit |
WO2010078182A2 (en) * | 2008-12-30 | 2010-07-08 | Baker Hughes Incorporated | Engineered bearing surface for rock drilling bit |
CN101806195A (zh) * | 2010-03-09 | 2010-08-18 | 江汉石油钻头股份有限公司 | 一种用于高转速钻井的三牙轮钻头 |
US8689907B2 (en) * | 2010-07-28 | 2014-04-08 | Varel International Ind., L.P. | Patterned texturing of the seal surface for a roller cone rock bit |
EP2622167A4 (de) | 2010-10-01 | 2017-03-22 | Baker Hughes Incorporated | Lager für tieflochwerkzeuge, tieflochwerkzeuge mit solchen lagern und verfahren zur kühlung solcher lager |
US8961019B2 (en) | 2011-05-10 | 2015-02-24 | Smith International, Inc. | Flow control through thrust bearing assembly |
NO335329B1 (no) * | 2013-02-20 | 2014-11-17 | Shellcon As | Borekrone med faste kutterelementer |
US10260560B2 (en) * | 2013-12-04 | 2019-04-16 | Us Synthetic Corporation | Compact bearing assemblies including superhard bearing surfaces, bearing apparatuses, and methods of use |
US10718374B2 (en) * | 2016-08-29 | 2020-07-21 | Halliburton Energy Services, Inc. | Stabilizers and bearings for extreme wear applications |
DE102019112061A1 (de) * | 2019-05-09 | 2020-11-12 | Schaeffler Technologies AG & Co. KG | Verfahren zur Bearbeitung eines Lagerrings und zur Herstellung eines Wälzlagers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4248485A (en) * | 1979-10-01 | 1981-02-03 | Dresser Industries, Inc. | Earth boring bit with textured bearing surface |
US4514098A (en) * | 1982-09-01 | 1985-04-30 | Dresser Industries, Inc. | Wound wire bearing |
US4619534A (en) | 1984-09-12 | 1986-10-28 | Reed Tool Company | Roller cutter drill bit having a texturized seal member |
US4620803A (en) | 1985-07-26 | 1986-11-04 | Edward Vezirian | Friction bearing couple |
US6068070A (en) | 1997-09-03 | 2000-05-30 | Baker Hughes Incorporated | Diamond enhanced bearing for earth-boring bit |
US6209185B1 (en) | 1993-04-16 | 2001-04-03 | Baker Hughes Incorporated | Earth-boring bit with improved rigid face seal |
US6341782B1 (en) | 2000-03-03 | 2002-01-29 | Surface Technologies Ltd | Lubricated seals having micropores |
US7134939B2 (en) | 2003-09-05 | 2006-11-14 | Fricso Ltd. | Method for reducing wear of mechanically interacting surfaces |
-
2007
- 2007-06-11 WO PCT/US2007/013760 patent/WO2007146276A1/en active Application Filing
- 2007-06-11 RU RU2008151728/03A patent/RU2008151728A/ru not_active Application Discontinuation
- 2007-06-11 DE DE602007006490T patent/DE602007006490D1/de active Active
- 2007-06-11 EP EP07796007A patent/EP2038507B1/de not_active Not-in-force
- 2007-06-11 US US11/760,892 patent/US7559381B2/en active Active
- 2007-06-11 MX MX2008015677A patent/MX2008015677A/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
MX2008015677A (es) | 2009-01-12 |
EP2038507B1 (de) | 2010-05-12 |
RU2008151728A (ru) | 2010-07-20 |
EP2038507A1 (de) | 2009-03-25 |
US7559381B2 (en) | 2009-07-14 |
US20070284150A1 (en) | 2007-12-13 |
WO2007146276A1 (en) | 2007-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |