IT1056183B - Perfezionemento negli scarpelli per perforazioni e simili in roccia - Google Patents

Perfezionemento negli scarpelli per perforazioni e simili in roccia

Info

Publication number
IT1056183B
IT1056183B IT48277/76A IT4827776A IT1056183B IT 1056183 B IT1056183 B IT 1056183B IT 48277/76 A IT48277/76 A IT 48277/76A IT 4827776 A IT4827776 A IT 4827776A IT 1056183 B IT1056183 B IT 1056183B
Authority
IT
Italy
Prior art keywords
perfection
similar
rock drills
drills
rock
Prior art date
Application number
IT48277/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1056183B publication Critical patent/IT1056183B/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
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • 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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
IT48277/76A 1975-03-24 1976-02-25 Perfezionemento negli scarpelli per perforazioni e simili in roccia IT1056183B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/561,576 US3952815A (en) 1975-03-24 1975-03-24 Land erosion protection on a rock cutter

Publications (1)

Publication Number Publication Date
IT1056183B true IT1056183B (it) 1982-01-30

Family

ID=24242546

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48277/76A IT1056183B (it) 1975-03-24 1976-02-25 Perfezionemento negli scarpelli per perforazioni e simili in roccia

Country Status (16)

Country Link
US (1) US3952815A (it)
JP (1) JPS51117101A (it)
AR (1) AR215854A1 (it)
AU (1) AU500734B2 (it)
BR (1) BR7601762A (it)
CA (1) CA1044692A (it)
DE (1) DE2612705A1 (it)
EG (1) EG12364A (it)
FR (1) FR2305581A1 (it)
GB (1) GB1534572A (it)
IT (1) IT1056183B (it)
NO (1) NO760360L (it)
PL (1) PL108160B1 (it)
SE (1) SE7602139L (it)
SU (1) SU718020A3 (it)
ZA (1) ZA76772B (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067406A (en) * 1976-07-29 1978-01-10 Smith International, Inc. Soft formation drill bit
DE2706290A1 (de) * 1977-02-15 1978-08-17 Skf Kugellagerfabriken Gmbh Einrichtung zum schmieren der lager von schneidrollen eines rollenmeissels
SE412088B (sv) * 1977-06-03 1980-02-18 Sandvik Ab Lageranordning vid roterande borrkronor
US4202419A (en) * 1979-01-11 1980-05-13 Dresser Industries, Inc. Roller cutter with major and minor insert rows
US4249622A (en) * 1979-06-11 1981-02-10 Dresser Industries, Inc. Floating seal for drill bits
US4420050A (en) * 1979-07-30 1983-12-13 Reed Rock Bit Company Oil well drilling bit
US4280571A (en) * 1980-01-24 1981-07-28 Dresser Industries, Inc. Rock bit
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4453836A (en) * 1981-08-31 1984-06-12 Klima Frank J Sealed hard-rock drill bit
JPS59122690A (ja) * 1982-12-28 1984-07-16 住友金属鉱山株式会社 地中穿孔ドリルビツト
US4739869A (en) * 1985-09-05 1988-04-26 Coin Acceptors, Inc. Coin detection and validation means and method
US5040624A (en) * 1990-08-13 1991-08-20 Schumacher Percy W Seal assembly for roller cutter drill bit having a pressure balanced lubrication system
GB2253642B (en) * 1991-03-11 1995-08-09 Dresser Ind Method of manufacturing a rolling cone cutter
US5351768A (en) * 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5542485A (en) * 1993-07-08 1996-08-06 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
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
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
US5671817A (en) * 1995-10-02 1997-09-30 Camco International Inc. Drill bit with dual reaming rows
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
US6241034B1 (en) 1996-06-21 2001-06-05 Smith International, Inc. Cutter element with expanded crest geometry
US5881829A (en) * 1997-07-16 1999-03-16 Baker Hughes Incorporated Rolling-cutter mining bit with relatively soft formation cutting structure
US6161634A (en) * 1997-09-04 2000-12-19 Minikus; James C. Cutter element with non-rectilinear crest
US6561293B2 (en) * 1997-09-04 2003-05-13 Smith International, Inc. Cutter element with non-linear, expanded crest
ZA99430B (en) 1998-01-23 1999-07-21 Smith International Hardfacing rock bit cones for erosion protection.
EP1051561B1 (en) 1998-01-26 2003-08-06 Halliburton Energy Services, Inc. Rotary cone drill bit with enhanced thrust bearing flange
WO1999037879A1 (en) 1998-01-26 1999-07-29 Dresser Industries, Inc. Rotary cone drill bit with enhanced journal bushing
EP1066447B1 (en) 1998-03-26 2004-08-18 Halliburton Energy Services, Inc. Rotary cone drill bit with improved bearing system
US6206116B1 (en) 1998-07-13 2001-03-27 Dresser Industries, Inc. Rotary cone drill bit with machined cutting structure
US6394199B1 (en) 1999-10-05 2002-05-28 Schlumberger Technology Corp. Non-circular gauge reaming row inserts
EP1182326B1 (en) 2000-08-23 2006-06-07 Camco International (UK) Ltd. Indicator for bearing failure of rolling cutter drill bit
US6601475B2 (en) 2000-09-22 2003-08-05 Smith International, Inc. Hardfaced drill bit structures and method for making such structures
US6601661B2 (en) 2001-09-17 2003-08-05 Baker Hughes Incorporated Secondary cutting structure
US6698098B2 (en) 2001-10-10 2004-03-02 Smith International, Inc. Cone erosion protection for roller cone drill bits
US6745645B2 (en) 2002-02-27 2004-06-08 Smith International, Inc. Enhanced gage protection for milled tooth rock bits
US20050257963A1 (en) * 2004-05-20 2005-11-24 Joseph Tucker Self-Aligning Insert for Drill Bits
US7600590B2 (en) * 2005-08-15 2009-10-13 Baker Hughes Incorporated Low projection inserts for rock bits
AU2017269411B2 (en) 2016-05-27 2022-12-08 Joy Global Underground Mining Llc Cutting head having segmented cutting disc

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126067A (en) * 1964-03-24 Roller bit with inserts
US2121202A (en) * 1935-03-19 1938-06-21 Robert J Killgore Rotary bit
US2804282A (en) * 1954-10-11 1957-08-27 Jr Arthur F Spengler Boring drill
US3140748A (en) * 1963-05-16 1964-07-14 Kennametal Inc Earth boring drill bit
US3389761A (en) * 1965-12-06 1968-06-25 Dresser Ind Drill bit and inserts therefor
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit
US3401759A (en) * 1966-10-12 1968-09-17 Hughes Tool Co Heel pack rock bit
US3461983A (en) * 1967-06-28 1969-08-19 Dresser Ind Cutting tool having hard insert in hole surrounded by hard facing
GB1193717A (en) * 1967-09-08 1970-06-03 Inst Burovoi Tekhnik Improvements in or relating to Roller Cutter Boring Bits
US3628616A (en) * 1969-12-18 1971-12-21 Smith International Drilling bit with integral stabilizer
US3679009A (en) * 1971-02-02 1972-07-25 Kennametal Inc Rotary cutter for excavation, especially for use with raise boring and tunnel boring machines
US3696876A (en) * 1971-03-15 1972-10-10 Dresser Ind Soft formation insert bits
US3727705A (en) * 1972-01-21 1973-04-17 Hughes Tool Co Drill bit with improved gage compact arrangement

Also Published As

Publication number Publication date
ZA76772B (en) 1977-01-26
AU1120076A (en) 1977-08-25
AU500734B2 (en) 1979-05-31
US3952815A (en) 1976-04-27
JPS51117101A (en) 1976-10-15
NO760360L (it) 1976-09-27
GB1534572A (en) 1978-12-06
DE2612705A1 (de) 1976-10-07
FR2305581A1 (fr) 1976-10-22
SE7602139L (sv) 1976-09-25
SU718020A3 (ru) 1980-02-25
PL108160B1 (pl) 1980-03-31
CA1044692A (en) 1978-12-19
AR215854A1 (es) 1979-11-15
EG12364A (en) 1978-12-31
BR7601762A (pt) 1976-09-21

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