BR8705920A - Sistema de compensacao e alivio de pressao aperfeicoado - Google Patents

Sistema de compensacao e alivio de pressao aperfeicoado

Info

Publication number
BR8705920A
BR8705920A BR8705920A BR8705920A BR8705920A BR 8705920 A BR8705920 A BR 8705920A BR 8705920 A BR8705920 A BR 8705920A BR 8705920 A BR8705920 A BR 8705920A BR 8705920 A BR8705920 A BR 8705920A
Authority
BR
Brazil
Prior art keywords
pressure relief
compensation system
perfected
perfected pressure
compensation
Prior art date
Application number
BR8705920A
Other languages
English (en)
Inventor
Edward M Galle
Anton F Zahradnik
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of BR8705920A publication Critical patent/BR8705920A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/30—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
    • 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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
BR8705920A 1986-11-05 1987-11-04 Sistema de compensacao e alivio de pressao aperfeicoado BR8705920A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/927,789 US4727942A (en) 1986-11-05 1986-11-05 Compensator for earth boring bits

Publications (1)

Publication Number Publication Date
BR8705920A true BR8705920A (pt) 1988-06-14

Family

ID=25455257

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8705920A BR8705920A (pt) 1986-11-05 1987-11-04 Sistema de compensacao e alivio de pressao aperfeicoado

Country Status (7)

Country Link
US (1) US4727942A (pt)
EP (1) EP0267140B1 (pt)
JP (1) JPS63138094A (pt)
BR (1) BR8705920A (pt)
CA (1) CA1288763C (pt)
DE (1) DE3785150T2 (pt)
MX (1) MX160892A (pt)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072795A (en) * 1991-01-22 1991-12-17 Camco International Inc. Pressure compensator for drill bit lubrication system
US5129471A (en) * 1991-05-31 1992-07-14 Hughes Tool Company Earth boring bit with protected seal means
US5558172A (en) * 1994-12-01 1996-09-24 Briscoe Tool Company Earth boring bit and lubricator compensation therefor
US5520257A (en) * 1994-12-05 1996-05-28 Baker Hughes Incorporated Bit with ball plug compensator having pressure relief means
US5655611A (en) * 1995-08-04 1997-08-12 Baker Hughes Inc. Earth-boring bit with improved bearing seal
US6092611A (en) * 1997-05-28 2000-07-25 Dresser Industries, Inc. Encapsulated elastomeric relief valve
US6213228B1 (en) 1997-08-08 2001-04-10 Dresser Industries Inc. Roller cone drill bit with improved pressure compensation
US6026917A (en) 1997-12-18 2000-02-22 Baker Hughes Incorporated Earth-boring bit with improved bearing seal
US6913092B2 (en) * 1998-03-02 2005-07-05 Weatherford/Lamb, Inc. Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling
DE19814214A1 (de) * 1998-03-31 1999-10-07 Flender A F & Co Maschinenelement mit Hydraulikfüllung, insbesondere Lager oder Welle
US6253862B1 (en) * 1999-02-03 2001-07-03 Baker Hughes Incorporated Earth-boring bit with cutter spear point hardfacing
US6202766B1 (en) 1999-03-24 2001-03-20 William L. Shepherd Relief valve
US6138778A (en) * 1999-08-20 2000-10-31 Camco International Inc. Rock bit lubricant relief valve
GB2365038B (en) * 2000-07-27 2004-06-02 Walker & Co James Ltd Sealing structure for a rock drill bit
US6976548B2 (en) 2002-04-03 2005-12-20 Smith International, Inc. Self relieving seal
US7036611B2 (en) 2002-07-30 2006-05-02 Baker Hughes Incorporated Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
US7836946B2 (en) * 2002-10-31 2010-11-23 Weatherford/Lamb, Inc. Rotating control head radial seal protection and leak detection systems
US7487837B2 (en) * 2004-11-23 2009-02-10 Weatherford/Lamb, Inc. Riser rotating control device
US8826988B2 (en) * 2004-11-23 2014-09-09 Weatherford/Lamb, Inc. Latch position indicator system and method
US7926593B2 (en) 2004-11-23 2011-04-19 Weatherford/Lamb, Inc. Rotating control device docking station
US7241049B2 (en) 2004-12-03 2007-07-10 Baker Hughes Incorporated Micropore engagement surfaces for earth boring bit
US7841426B2 (en) * 2007-04-05 2010-11-30 Baker Hughes Incorporated Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
US7845435B2 (en) * 2007-04-05 2010-12-07 Baker Hughes Incorporated Hybrid drill bit and method of drilling
US20100025119A1 (en) * 2007-04-05 2010-02-04 Baker Hughes Incorporated Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit
US7997345B2 (en) * 2007-10-19 2011-08-16 Weatherford/Lamb, Inc. Universal marine diverter converter
US8286734B2 (en) 2007-10-23 2012-10-16 Weatherford/Lamb, Inc. Low profile rotating control device
US8844652B2 (en) 2007-10-23 2014-09-30 Weatherford/Lamb, Inc. Interlocking low profile rotating control device
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US7735583B2 (en) * 2007-11-21 2010-06-15 Baker Hughes Incorporated Roller cone bit bearing with elastomeric seal having self break-in property and method
US20090272582A1 (en) * 2008-05-02 2009-11-05 Baker Hughes Incorporated Modular hybrid drill bit
US7819208B2 (en) * 2008-07-25 2010-10-26 Baker Hughes Incorporated Dynamically stable hybrid drill bit
US8450637B2 (en) * 2008-10-23 2013-05-28 Baker Hughes Incorporated Apparatus for automated application of hardfacing material to drill bits
US9439277B2 (en) * 2008-10-23 2016-09-06 Baker Hughes Incorporated Robotically applied hardfacing with pre-heat
US8948917B2 (en) * 2008-10-29 2015-02-03 Baker Hughes Incorporated Systems and methods for robotic welding of drill bits
US20100155146A1 (en) * 2008-12-19 2010-06-24 Baker Hughes Incorporated Hybrid drill bit with high pilot-to-journal diameter ratio
US8047307B2 (en) * 2008-12-19 2011-11-01 Baker Hughes Incorporated Hybrid drill bit with secondary backup cutters positioned with high side rake angles
BRPI0923809A2 (pt) * 2008-12-31 2015-07-14 Baker Hughes Inc Método e aparelho para aplicação automatizada de material de revestimento duro em cortadores rolantes de brocas de perfuração de terra tipo híbridas, brocas híbridas compreendendo tais elementos de corte de dentes de aço com revestimento duro, e métodos de uso das mesmas
US8322432B2 (en) * 2009-01-15 2012-12-04 Weatherford/Lamb, Inc. Subsea internal riser rotating control device system and method
US9359853B2 (en) 2009-01-15 2016-06-07 Weatherford Technology Holdings, Llc Acoustically controlled subsea latching and sealing system and method for an oilfield device
US20100181116A1 (en) * 2009-01-16 2010-07-22 Baker Hughes Incororated Impregnated drill bit with diamond pins
US8141664B2 (en) 2009-03-03 2012-03-27 Baker Hughes Incorporated Hybrid drill bit with high bearing pin angles
US8056651B2 (en) * 2009-04-28 2011-11-15 Baker Hughes Incorporated Adaptive control concept for hybrid PDC/roller cone bits
US8459378B2 (en) * 2009-05-13 2013-06-11 Baker Hughes Incorporated Hybrid drill bit
US8157026B2 (en) * 2009-06-18 2012-04-17 Baker Hughes Incorporated Hybrid bit with variable exposure
US8347983B2 (en) * 2009-07-31 2013-01-08 Weatherford/Lamb, Inc. Drilling with a high pressure rotating control device
CA2770500C (en) * 2009-08-07 2014-10-07 Robert J. Buske Anti-tracking spear-points for earth-boring drill bits
CA2773897A1 (en) 2009-09-16 2011-03-24 Baker Hughes Incorporated External, divorced pdc bearing assemblies for hybrid drill bits
US8448724B2 (en) * 2009-10-06 2013-05-28 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8191635B2 (en) * 2009-10-06 2012-06-05 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8347982B2 (en) 2010-04-16 2013-01-08 Weatherford/Lamb, Inc. System and method for managing heave pressure from a floating rig
US9175542B2 (en) 2010-06-28 2015-11-03 Weatherford/Lamb, Inc. Lubricating seal for use with a tubular
BR112012033700B1 (pt) 2010-06-29 2019-12-31 Baker Hughes Inc brocas de perfuração com características antirrastreamento
US8978786B2 (en) 2010-11-04 2015-03-17 Baker Hughes Incorporated System and method for adjusting roller cone profile on hybrid bit
MX337212B (es) 2011-02-11 2016-02-17 Baker Hughes Inc Sistema y metodo para retencion de base en barrenas hibridas.
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
SG11201402311VA (en) 2011-11-15 2014-06-27 Baker Hughes Inc Hybrid drill bits having increased drilling efficiency
US9803427B1 (en) 2014-03-27 2017-10-31 U.S. Synthetic Corporation Systems and methods for mounting a cutter in a drill bit
SG11201609528QA (en) 2014-05-23 2016-12-29 Baker Hughes Inc Hybrid bit with mechanically attached rolling cutter assembly
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
WO2017014730A1 (en) 2015-07-17 2017-01-26 Halliburton Energy Services, Inc. Hybrid drill bit with counter-rotation cutters in center
US10260289B1 (en) 2018-01-18 2019-04-16 William L. Shepherd Drilling system with drill bit for mining machine
CN113477990B (zh) * 2021-07-16 2022-04-08 穆格精密工具（杭州）有限公司 一种套料刀自动推料机构

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2342355A (en) * 1938-09-13 1944-02-22 Mercier Jean Deformable or elastic accumulator
US2724442A (en) * 1952-08-20 1955-11-22 Leslie A Layne Full opening valve with elastic, self sealing closure means
US3007751A (en) * 1958-06-16 1961-11-07 Hughes Tool Co Lubricator
US3370659A (en) * 1964-09-25 1968-02-27 Gatien Paul Germain Drill rod and bit including one-way valve structure therein
US3476195A (en) * 1968-11-15 1969-11-04 Hughes Tool Co Lubricant relief valve for rock bits
US3719241A (en) * 1971-11-24 1973-03-06 Dresser Ind Free breathing lubrication system for sealed bearing rock bits
US3847234A (en) * 1972-06-01 1974-11-12 Reed Tool Co Pressure relief device for drill bit lubrication system
US3844364A (en) * 1973-10-23 1974-10-29 Dresser Ind Hydrostatic rock bit lubrication system
US3935911A (en) * 1974-06-28 1976-02-03 Dresser Industries, Inc. Earth boring bit with means for conducting heat from the bit's bearings
US3995367A (en) * 1976-03-01 1976-12-07 Dresser Industries, Inc. Bearing separator and sealing system for rock bit
US4055225A (en) * 1976-05-17 1977-10-25 Hughes Tool Company Lubricant pressure compensator for an earth boring drill bit
US4073548A (en) * 1976-11-01 1978-02-14 Dresser Industries, Inc. Sealing system for a rotary rock bit
US4168868A (en) * 1978-07-17 1979-09-25 Dresser Industries, Inc. Sealing system for an earth boring cutter
JPS5825036Y2 (ja) * 1981-05-29 1983-05-28 塚本精機株式会社 回転掘削工具の圧力補償装置

Also Published As

Publication number Publication date
JPS63138094A (ja) 1988-06-10
EP0267140B1 (en) 1993-03-31
DE3785150D1 (de) 1993-05-06
EP0267140A2 (en) 1988-05-11
EP0267140A3 (en) 1989-05-31
JPH0411715B2 (pt) 1992-03-02
MX160892A (es) 1990-06-11
CA1288763C (en) 1991-09-10
US4727942A (en) 1988-03-01
DE3785150T2 (de) 1993-07-15

Similar Documents

Publication Publication Date Title
BR8705920A (pt) Sistema de compensacao e alivio de pressao aperfeicoado
BR8704061A (pt) Sistema
PT84262B (pt) Sensor de pressao
DE3669589D1 (de) Wiegemethode und wiegesystem.
BR8607120A (pt) Conjunto de mancais aperfeicoado
BR8701066A (pt) Sistema de protecao catodica
FR2576850B1 (fr) Dispositif anti-roulis hydraulique
IT8419905A0 (it) Sistema e dispositivo per dialisi.
BR8701883A (pt) Sistema de escrita dirigida e conjunto de representacao visual variavel
BR8605637A (pt) Sistema hidraulico
ES552221A0 (es) Dispositivo de asistencia hidraulica
BR8703091A (pt) Dispositivo de posicionamento e aproximacao grossa
BR8604817A (pt) Sistema hidraulico
NO863032L (no) Absorbsjonssystem og fremgangsmaate for abc-beskyttelse.
BR6600386U (pt) Sistema de intervencao de cheques
EP0251223A3 (en) Fail-safe alarm system
BR6900372U (pt) Sistema de alivio de gas
BR8805775A (pt) Sistema de giro livre
BR8600786A (pt) Sistema de fumigacao
KR870008083U (ko) 농수산물 고압 여과 장치
ES293258Y (es) Succionador de liquidos perfeccionado
ES1000886Y (es) Talonario de recibos perfeccionado
BR8805278A (pt) Sistema hidraulico de filtragem
BR8400605A (pt) Cadeira de rodas aperfeicoada
BR8906710A (pt) Sistema copiativo por pressao

Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)