IT1118194B - Perfezionamento nei sistemi di lubrificazione delle punte di trivellazione - Google Patents

Perfezionamento nei sistemi di lubrificazione delle punte di trivellazione

Info

Publication number
IT1118194B
IT1118194B IT49712/79A IT4971279A IT1118194B IT 1118194 B IT1118194 B IT 1118194B IT 49712/79 A IT49712/79 A IT 49712/79A IT 4971279 A IT4971279 A IT 4971279A IT 1118194 B IT1118194 B IT 1118194B
Authority
IT
Italy
Prior art keywords
improvement
lubrication systems
drilling points
drilling
points
Prior art date
Application number
IT49712/79A
Other languages
English (en)
Other versions
IT7949712A0 (it
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of IT7949712A0 publication Critical patent/IT7949712A0/it
Application granted granted Critical
Publication of IT1118194B publication Critical patent/IT1118194B/it

Links

Classifications

    • 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
    • E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
IT49712/79A 1978-08-18 1979-07-10 Perfezionamento nei sistemi di lubrificazione delle punte di trivellazione IT1118194B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/934,930 US4183416A (en) 1978-08-18 1978-08-18 Cutter actuated rock bit lubrication system

Publications (2)

Publication Number Publication Date
IT7949712A0 IT7949712A0 (it) 1979-07-10
IT1118194B true IT1118194B (it) 1986-02-24

Family

ID=25466293

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49712/79A IT1118194B (it) 1978-08-18 1979-07-10 Perfezionamento nei sistemi di lubrificazione delle punte di trivellazione

Country Status (5)

Country Link
US (1) US4183416A (it)
CA (1) CA1095503A (it)
FR (1) FR2438737A1 (it)
GB (1) GB2027775B (it)
IT (1) IT1118194B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279316A (en) * 1979-10-09 1981-07-21 Dresser Industries, Inc. Earth boring bit with eccentric seal boss
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
US4412590A (en) * 1981-01-23 1983-11-01 Reed Rock Bit Company Rock bit internal lubricant pump
US4390072A (en) * 1981-05-04 1983-06-28 Globe Oil Tools, Inc. Drill bit lubricant circulation system
US4446933A (en) * 1982-03-29 1984-05-08 Bodine Albert G Rotary earth boring drill bit with centrifugal lubrication system
US4501338A (en) * 1983-08-08 1985-02-26 Smith International, Inc. Grease pump for sealed bearing rotary cone rock bits
US4593775A (en) * 1985-04-18 1986-06-10 Smith International, Inc. Two-piece pressure relief valve
EP0289668A1 (en) * 1987-04-14 1988-11-09 Bob Higdon Roller drill bit with a cone-retaining means
CA2055399A1 (en) * 1991-11-13 1993-05-14 Kenneth M. White Indicating means for a rock bit lubricating system
US5441120A (en) * 1994-08-31 1995-08-15 Dresser Industries, Inc. Roller cone rock bit having a sealing system with double elastomer seals
US5513715A (en) * 1994-08-31 1996-05-07 Dresser Industries, Inc. Flat seal for a roller cone rock bit
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
GB9417496D0 (en) 1994-08-31 1994-10-19 Camco Int Thrust face lubrication system for a rolling cutter drill bit
US5636700A (en) * 1995-01-03 1997-06-10 Dresser Industries, Inc. Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction
US5839523A (en) * 1995-02-14 1998-11-24 Sandvik Ab Methods and apparatus for lubricating a rotary cutter
US5628375A (en) * 1995-08-29 1997-05-13 Camco International Inc. Thrust face lubrication system for a rolling cutter drill bit
US5709278A (en) * 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
US5722497A (en) * 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces
US20050045387A1 (en) * 2003-08-22 2005-03-03 Smith International, Inc. Lubricant pump and cone movement dampener
US7128171B2 (en) * 2004-02-23 2006-10-31 Baker Hughes Incorporated Hydrodynamic pump passages for rolling cone drill bit
US20070014495A1 (en) * 2005-07-15 2007-01-18 Baker Hughes Incorporated System, method, and apparatus for reducing residual stress in as-welded roller cone bit ball plug welds
US8141662B2 (en) * 2009-06-30 2012-03-27 Schlumberger Technology Corporation Downhole lubrication system
CN102287138A (zh) * 2011-06-24 2011-12-21 三原石油钻头厂 动压力循环润滑牙轮钻头

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1010143A (en) * 1909-03-11 1911-11-28 Howard R Hughes Roller-drill.
US2625885A (en) * 1948-03-04 1953-01-20 Fmc Corp Ink pump
FR1421246A (fr) * 1963-04-12 1965-12-17 Inst Francais Du Petrole Outils de forage pouvant fonctionner à grandes vitesses de rotation
US3244459A (en) * 1963-07-01 1966-04-05 Exxon Production Research Co Pressure lubricated drill bit bearing
US3251634A (en) * 1963-07-01 1966-05-17 Exxon Production Research Co Drill bit bearing lubricator
GB1288081A (it) * 1969-10-08 1972-09-06
US3659663A (en) * 1970-12-28 1972-05-02 Dresser Ind Borehole reamer-stabilizer with improved fluid circulation
US3844364A (en) * 1973-10-23 1974-10-29 Dresser Ind Hydrostatic rock bit lubrication system
US3841422A (en) * 1973-10-23 1974-10-15 Dresser Ind Dynamic rock bit lubrication system
DE2703724C3 (de) * 1977-01-29 1980-02-21 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Einrichtung zum Schmieren der Lager von Rollenmeißeln mittels der beim Bohren verwendeten Spülflüssigkeit

Also Published As

Publication number Publication date
IT7949712A0 (it) 1979-07-10
FR2438737A1 (fr) 1980-05-09
CA1095503A (en) 1981-02-10
GB2027775B (en) 1982-08-11
US4183416A (en) 1980-01-15
GB2027775A (en) 1980-02-27

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