IT1284355B1 - Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato. - Google Patents

Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato.

Info

Publication number
IT1284355B1
IT1284355B1 IT96TO000058A ITTO960058A IT1284355B1 IT 1284355 B1 IT1284355 B1 IT 1284355B1 IT 96TO000058 A IT96TO000058 A IT 96TO000058A IT TO960058 A ITTO960058 A IT TO960058A IT 1284355 B1 IT1284355 B1 IT 1284355B1
Authority
IT
Italy
Prior art keywords
chisel
drilling
ground
improved support
sealing group
Prior art date
Application number
IT96TO000058A
Other languages
English (en)
Inventor
Philip B Kirk
George E Dolezal
Ronald R Campbell
Original Assignee
Baker Hughes Inc
Parco 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, Parco Inc filed Critical Baker Hughes Inc
Publication of ITTO960058A0 publication Critical patent/ITTO960058A0/it
Publication of ITTO960058A1 publication Critical patent/ITTO960058A1/it
Application granted granted Critical
Publication of IT1284355B1 publication Critical patent/IT1284355B1/it

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/91—O-ring seal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/935—Seal made of a particular material
    • Y10S277/944—Elastomer or plastic

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)
IT96TO000058A 1995-01-31 1996-01-30 Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato. IT1284355B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/381,692 US5524718A (en) 1995-01-31 1995-01-31 Earth-boring bit with improved bearing seal assembly

Publications (3)

Publication Number Publication Date
ITTO960058A0 ITTO960058A0 (it) 1996-01-30
ITTO960058A1 ITTO960058A1 (it) 1997-07-30
IT1284355B1 true IT1284355B1 (it) 1998-05-18

Family

ID=23506005

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96TO000058A IT1284355B1 (it) 1995-01-31 1996-01-30 Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato.

Country Status (3)

Country Link
US (1) US5524718A (it)
GB (1) GB2297555B (it)
IT (1) IT1284355B1 (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6196339B1 (en) 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
US5842701A (en) * 1996-10-08 1998-12-01 Smith International, Inc. Dual functioning seal for rock bits
US6279671B1 (en) * 1999-03-01 2001-08-28 Amiya K. Panigrahi Roller cone bit with improved seal gland design
US6789634B1 (en) * 2003-05-28 2004-09-14 Smith International, Inc Self-lubricating elastomeric seal with polarized graphite
US7036613B2 (en) * 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
US7013998B2 (en) 2003-11-20 2006-03-21 Halliburton Energy Services, Inc. Drill bit having an improved seal and lubrication method using same
US20050109502A1 (en) * 2003-11-20 2005-05-26 Jeremy Buc Slay Downhole seal element formed from a nanocomposite material
US20050161212A1 (en) * 2004-01-23 2005-07-28 Schlumberger Technology Corporation System and Method for Utilizing Nano-Scale Filler in Downhole Applications
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
WO2006009181A1 (ja) * 2004-07-21 2006-01-26 Eagle Industry Co., Ltd. シール装置
US20060065445A1 (en) * 2004-09-28 2006-03-30 Smith International, Inc. Rock-bit seals with asymmetric contact profiles
WO2008131095A2 (en) * 2007-04-17 2008-10-30 Baker Hughes Incorporated Elastomer material for high temperature roller cone bits
US7721827B2 (en) * 2007-08-17 2010-05-25 Varel International Ind., L.P. Rock bit having a seal gland with a conical sealing surface
US20090107731A1 (en) * 2007-10-30 2009-04-30 George Fedorovich Drillbit seal
US20090152009A1 (en) * 2007-12-18 2009-06-18 Halliburton Energy Services, Inc., A Delaware Corporation Nano particle reinforced polymer element for stator and rotor assembly
WO2009131970A1 (en) * 2008-04-21 2009-10-29 Baker Hughes Incorporated Fiber reinforced pressure compensator diaphragm
US8967301B2 (en) 2010-02-03 2015-03-03 Baker Hughes Incorporated Composite metallic elastomeric sealing components for roller cone drill bits
US10689912B1 (en) 2019-12-12 2020-06-23 PDB Tools, Inc. Sealed bearing rock bit with a low profile seal

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075781A (en) * 1958-02-10 1963-01-29 Hughes Tool Co Bearing seal
FR1407776A (fr) * 1964-06-24 1965-08-06 Aquitaine Petrole Perfectionnements apportés aux trépans à molettes utilisés pour le forage
US3397928A (en) * 1965-11-08 1968-08-20 Edward M. Galle Seal means for drill bit bearings
US3862762A (en) * 1973-02-26 1975-01-28 Parker Hannifin Corp Seal for drill bit bearings
US4466621A (en) * 1982-11-29 1984-08-21 Rock Bit Industries U.S.A., Inc. Rotary drill bit multiple seal assembly
US4588309A (en) * 1983-06-20 1986-05-13 Smith International, Inc. Resilient bearing seal with ability to compensate for wear and compression set
JPH0742837B2 (ja) * 1986-06-13 1995-05-10 塚本精機株式会社 ドリルビツトのカツタ−用回転軸封装置
US4851068A (en) * 1986-06-25 1989-07-25 Smith International, Inc. Method of making a sealing element
US4757110A (en) * 1987-03-05 1988-07-12 Polysar Limited Thermoplastic rubber compositions
US4849295A (en) * 1987-12-11 1989-07-18 Eagle-Picher Industries, Inc. High temperature metal rubber gasket
US4824123A (en) * 1988-03-31 1989-04-25 Smith International, Inc. Mechanical face seal for rock bits
US4822057A (en) * 1988-03-31 1989-04-18 Smith International, Inc. Mechanical face seal for rock bits
US4978409A (en) * 1988-07-06 1990-12-18 Bando Chemical Industries, Ltd. Method of bonding fibers to hydrogenated nitrile rubber
EP0467871B1 (en) * 1990-07-11 1997-08-20 Smith International, Inc. O-ring seal for rock bit bearings
US5323863A (en) * 1990-07-11 1994-06-28 Smith International, Inc. O-ring seal for rock bit bearings
US5152353A (en) * 1990-12-21 1992-10-06 Smith International, Inc. High speed rock bit
US5129471A (en) * 1991-05-31 1992-07-14 Hughes Tool Company Earth boring bit with protected seal means
US5456327A (en) * 1994-03-08 1995-10-10 Smith International, Inc. O-ring seal for rock bit bearings
US5402858A (en) * 1994-03-11 1995-04-04 Smith International, Inc. O-ring seal for rock bit bearings

Also Published As

Publication number Publication date
ITTO960058A1 (it) 1997-07-30
US5524718A (en) 1996-06-11
GB9601355D0 (en) 1996-03-27
GB2297555B (en) 1998-04-01
ITTO960058A0 (it) 1996-01-30
GB2297555A (en) 1996-08-07

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990128