DE602007003365D1 - Schutzring für erdbohrmeissel - Google Patents

Schutzring für erdbohrmeissel

Info

Publication number
DE602007003365D1
DE602007003365D1 DE602007003365T DE602007003365T DE602007003365D1 DE 602007003365 D1 DE602007003365 D1 DE 602007003365D1 DE 602007003365 T DE602007003365 T DE 602007003365T DE 602007003365 T DE602007003365 T DE 602007003365T DE 602007003365 D1 DE602007003365 D1 DE 602007003365D1
Authority
DE
Germany
Prior art keywords
meissel
oak
earth
protective ring
protective
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.)
Active
Application number
DE602007003365T
Other languages
English (en)
Inventor
Anton Zahradnik
Gregory L Ricks
Gregory W Peterson
Don Quy Nguyen
Chih C Lin
Terry J Koltermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of DE602007003365D1 publication Critical patent/DE602007003365D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by 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)
  • Sealing Devices (AREA)
  • Earth Drilling (AREA)
DE602007003365T 2006-07-12 2007-07-12 Schutzring für erdbohrmeissel Active DE602007003365D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/485,406 US7708090B2 (en) 2006-07-12 2006-07-12 Excluder ring for earth-boring bit
PCT/US2007/015857 WO2008008415A1 (en) 2006-07-12 2007-07-12 Excluder ring for earth-boring bit

Publications (1)

Publication Number Publication Date
DE602007003365D1 true DE602007003365D1 (de) 2009-12-31

Family

ID=38561717

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007003365T Active DE602007003365D1 (de) 2006-07-12 2007-07-12 Schutzring für erdbohrmeissel

Country Status (7)

Country Link
US (1) US7708090B2 (de)
EP (1) EP2038508B1 (de)
CN (1) CN101490359A (de)
DE (1) DE602007003365D1 (de)
MX (1) MX2009000372A (de)
RU (1) RU2009104342A (de)
WO (1) WO2008008415A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080041635A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Seal for an earth bit
US8020638B2 (en) * 2006-10-30 2011-09-20 Smith International, Inc. Seal with dynamic sealing surface at the outside diameter
US8347683B2 (en) * 2008-03-14 2013-01-08 Varel International Ind., L.P. Texturing of the seal surface for a roller cone rock bit
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
US20100071960A1 (en) * 2008-09-24 2010-03-25 Baker Hughes Incorporated System, Method and Apparatus for Composite Seal Gland Insert in Roller Cone Rock Bit
US20110024199A1 (en) * 2009-08-03 2011-02-03 Baker Hughes Incorporated Seal Ring With Auxiliary Ring for Earth-Boring Bit
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
US10793114B2 (en) 2011-11-18 2020-10-06 Trico Products Corporation Windscreen wiper device
EP2722545A1 (de) * 2012-10-19 2014-04-23 Aktiebolaget SKF Wälzlageranordnung mit Dichtungselement
MX2015008404A (es) * 2012-12-31 2015-09-23 Halliburton Energy Services Inc Cierre simetrico con alta relacion de aspecto.
CN107461155A (zh) * 2017-03-30 2017-12-12 西南石油大学 一种地热勘探钻井用高速三牙轮钻头
AU2017414095B2 (en) 2017-05-11 2020-09-17 Valqua, Ltd. Seal structure

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862762A (en) * 1973-02-26 1975-01-28 Parker Hannifin Corp Seal for drill bit bearings
DE2755591C2 (de) * 1977-12-14 1985-11-07 SKF GmbH, 8720 Schweinfurt Rollenmeißel mit kegelig ausgebildeten Schneidrollen
US4466621A (en) * 1982-11-29 1984-08-21 Rock Bit Industries U.S.A., Inc. Rotary drill bit multiple seal assembly
US4619534A (en) * 1984-09-12 1986-10-28 Reed Tool Company Roller cutter drill bit having a texturized seal member
US4762189A (en) * 1987-05-28 1988-08-09 Tatum David M Seal and seal shield assembly for rotary drill bits
USRE36452E (en) * 1992-10-21 1999-12-21 Smith International, Inc. Composite seal for rotary cone rock bits
US6196339B1 (en) * 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) * 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6264367B1 (en) * 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6305483B1 (en) * 1998-04-02 2001-10-23 Smith International, Inc. Multi-piece rotary cone drill bit seal
US6336512B1 (en) * 1999-02-02 2002-01-08 Smith International, Inc. Drill bit having canted seal
US6533051B1 (en) * 1999-09-07 2003-03-18 Smith International, Inc. Roller cone drill bit shale diverter
US6536542B1 (en) * 1999-10-28 2003-03-25 Smith International, Inc. Rock bit seal with multiple dynamic seal surface elements
US6820704B2 (en) * 2001-08-08 2004-11-23 Smith International, Inc. Rock bit seal with extrusion prevention member
US7234541B2 (en) * 2002-08-19 2007-06-26 Baker Hughes Incorporated DLC coating for earth-boring bit seal ring
US7347290B2 (en) * 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly
US7628231B2 (en) * 2006-09-21 2009-12-08 Baker Hughes Incorporated Protector for rock bit seals

Also Published As

Publication number Publication date
MX2009000372A (es) 2009-01-27
EP2038508A1 (de) 2009-03-25
EP2038508B1 (de) 2009-11-18
WO2008008415A1 (en) 2008-01-17
RU2009104342A (ru) 2010-08-20
US7708090B2 (en) 2010-05-04
US20080011518A1 (en) 2008-01-17
CN101490359A (zh) 2009-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition