ITMI930682A0 - Punta da roccia con inserto di misura migliorato - Google Patents

Punta da roccia con inserto di misura migliorato

Info

Publication number
ITMI930682A0
ITMI930682A0 ITMI930682A ITMI930682A ITMI930682A0 IT MI930682 A0 ITMI930682 A0 IT MI930682A0 IT MI930682 A ITMI930682 A IT MI930682A IT MI930682 A ITMI930682 A IT MI930682A IT MI930682 A0 ITMI930682 A0 IT MI930682A0
Authority
IT
Italy
Prior art keywords
improved measurement
measurement insert
rock tip
rock
tip
Prior art date
Application number
ITMI930682A
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
Publication of ITMI930682A0 publication Critical patent/ITMI930682A0/it
Publication of ITMI930682A1 publication Critical patent/ITMI930682A1/it
Application granted granted Critical
Publication of IT1264783B1 publication Critical patent/IT1264783B1/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
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/46—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

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)
IT93MI000682A 1992-04-22 1993-04-06 Punta da roccia con inserto di misura migliorato IT1264783B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/872,260 US5201376A (en) 1992-04-22 1992-04-22 Rock bit with improved gage insert

Publications (3)

Publication Number Publication Date
ITMI930682A0 true ITMI930682A0 (it) 1993-04-06
ITMI930682A1 ITMI930682A1 (it) 1994-10-06
IT1264783B1 IT1264783B1 (it) 1996-10-10

Family

ID=25359194

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI000682A IT1264783B1 (it) 1992-04-22 1993-04-06 Punta da roccia con inserto di misura migliorato

Country Status (5)

Country Link
US (1) US5201376A (it)
EP (1) EP0567259B1 (it)
CA (1) CA2093847C (it)
IT (1) IT1264783B1 (it)
MX (1) MX9302310A (it)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467836A (en) * 1992-01-31 1995-11-21 Baker Hughes Incorporated Fixed cutter bit with shear cutting gage
US5746280A (en) * 1996-06-06 1998-05-05 Baker Hughes Incorporated Earth-boring bit having shear-cutting inner row elements
US5323865A (en) * 1992-09-23 1994-06-28 Baker Hughes Incorporated Earth-boring bit with an advantageous insert cutting structure
GB9221453D0 (en) * 1992-10-13 1992-11-25 Reed Tool Co Improvements in rolling cutter drill bits
US5542485A (en) * 1993-07-08 1996-08-06 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5351768A (en) * 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5819861A (en) * 1993-07-08 1998-10-13 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5421423A (en) * 1994-03-22 1995-06-06 Dresser Industries, Inc. Rotary cone drill bit with improved cutter insert
US5421424A (en) * 1994-06-09 1995-06-06 Smith International, Inc. Bowed out chisel insert for rock bits
US5697462A (en) * 1995-06-30 1997-12-16 Baker Hughes Inc. Earth-boring bit having improved cutting structure
US6390210B1 (en) * 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
GB2330851B (en) * 1996-06-21 2000-08-16 Smith International Non-symmetrical stress-resistant rotary drill bit cutter element
WO1997048874A2 (en) * 1996-06-21 1997-12-24 Smith International, Inc. Cutter element adapted to withstand tensile stress
US5813485A (en) * 1996-06-21 1998-09-29 Smith International, Inc. Cutter element adapted to withstand tensile stress
US6059054A (en) * 1996-06-21 2000-05-09 Smith International, Inc. Non-symmetrical stress-resistant rotary drill bit cutter element
US5755301A (en) * 1996-08-09 1998-05-26 Dresser Industries, Inc. Inserts and compacts with lead-in surface for enhanced retention
US5752573A (en) * 1996-08-12 1998-05-19 Baker Hughes Incorporated Earth-boring bit having shear-cutting elements
US5868213A (en) * 1997-04-04 1999-02-09 Smith International, Inc. Steel tooth cutter element with gage facing knee
US6029759A (en) * 1997-04-04 2000-02-29 Smith International, Inc. Hardfacing on steel tooth cutter element
US5839526A (en) * 1997-04-04 1998-11-24 Smith International, Inc. Rolling cone steel tooth bit with enhancements in cutter shape and placement
US5890550A (en) 1997-05-09 1999-04-06 Baker Hughes Incorporation Earth-boring bit with wear-resistant material
CA2348188C (en) * 2000-05-18 2006-08-01 Smith International, Inc. Rolling cone bit with elements fanned along the gage curve
US6637527B1 (en) * 2000-06-08 2003-10-28 Smith International, Inc. Cutting structure for roller cone drill bits
US6530441B1 (en) 2000-06-27 2003-03-11 Smith International, Inc. Cutting element geometry for roller cone drill bit
CN1174158C (zh) * 2000-06-29 2004-11-03 江汉石油钻头股份有限公司 一种具有并列镶齿的牙轮钻头
US6604588B2 (en) * 2001-09-28 2003-08-12 Smith International, Inc. Gage trimmers and bit incorporating the same
US6997273B2 (en) * 2002-11-15 2006-02-14 Smith International, Inc. Blunt faced cutter element and enhanced drill bit and cutting structure
US6929079B2 (en) 2003-02-21 2005-08-16 Smith International, Inc. Drill bit cutter element having multiple cusps
US6883624B2 (en) * 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US20060011388A1 (en) * 2003-01-31 2006-01-19 Mohammed Boudrare Drill bit and cutter element having multiple extensions
US7040424B2 (en) * 2003-03-04 2006-05-09 Smith International, Inc. Drill bit and cutter having insert clusters and method of manufacture
US20040231894A1 (en) * 2003-05-21 2004-11-25 Dvorachek Harold A Rotary tools or bits
US20050257963A1 (en) * 2004-05-20 2005-11-24 Joseph Tucker Self-Aligning Insert for Drill Bits
US7152703B2 (en) * 2004-05-27 2006-12-26 Baker Hughes Incorporated Compact for earth boring bit with asymmetrical flanks and shoulders
US7182162B2 (en) * 2004-07-29 2007-02-27 Baker Hughes Incorporated Shirttails for reducing damaging effects of cuttings
GB2427633B (en) * 2005-05-17 2007-08-15 Smith International Drill bit and method of designing a drill bit
US7757789B2 (en) * 2005-06-21 2010-07-20 Smith International, Inc. Drill bit and insert having bladed interface between substrate and coating
US7624825B2 (en) * 2005-10-18 2009-12-01 Smith International, Inc. Drill bit and cutter element having aggressive leading side
US7363992B2 (en) * 2006-07-07 2008-04-29 Baker Hughes Incorporated Cutters for downhole cutting devices
US7743855B2 (en) * 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
US7686106B2 (en) * 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US7798258B2 (en) * 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US8205692B2 (en) * 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region
US7681673B2 (en) * 2007-06-12 2010-03-23 Smith International, Inc. Drill bit and cutting element having multiple cutting edges
US8281881B2 (en) * 2008-03-11 2012-10-09 Smith International, Inc. Rolling cone drill bit having cutting elements with improved orientations
US20100175926A1 (en) * 2009-01-15 2010-07-15 Baker Hughes Incorporated Roller cones having non-integral cutting structures, drill bits including such cones, and methods of forming same
US8733475B2 (en) * 2011-01-28 2014-05-27 National Oilwell DHT, L.P. Drill bit with enhanced hydraulics and erosion-shield cutting teeth
US8607899B2 (en) * 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
WO2013010063A1 (en) * 2011-07-13 2013-01-17 Varel International Ind., L.P. Pdc disc cutters and rotary drill bits utilizing pdc disc cutters
US9441422B2 (en) 2012-08-29 2016-09-13 National Oilwell DHT, L.P. Cutting insert for a rock drill bit
US20140182947A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Cutting insert for percussion drill bit
US9376866B2 (en) * 2013-08-23 2016-06-28 Varel International Ind., L.P. Hybrid rotary cone drill bit
WO2015161010A2 (en) 2014-04-16 2015-10-22 National Oilwell DHT, L.P. Downhole drill bit cutting element with chamfered ridge
WO2017123562A1 (en) 2016-01-13 2017-07-20 Schlumberger Technology Corporation Angled chisel insert

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507221A (en) * 1946-08-19 1950-05-09 Phipps Orville Single edge percussion bit
BE510109A (it) * 1951-11-20
US2774570A (en) * 1954-05-03 1956-12-18 Hughes Tool Co Roller cutter for earth drills
US2774571A (en) * 1954-07-06 1956-12-18 Hughes Tool Co Cone type well drill
US2990025A (en) * 1958-06-16 1961-06-27 Dresser Ind Bit
SE211516C1 (it) * 1962-03-15 1967-03-14
US3389761A (en) * 1965-12-06 1968-06-25 Dresser Ind Drill bit and inserts therefor
US3442342A (en) * 1967-07-06 1969-05-06 Hughes Tool Co Specially shaped inserts for compact rock bits,and rolling cutters and rock bits using such inserts
US3800891A (en) * 1968-04-18 1974-04-02 Hughes Tool Co Hardfacing compositions and gage hardfacing on rolling cutter rock bits
US3696876A (en) * 1971-03-15 1972-10-10 Dresser Ind Soft formation insert bits
US4056153A (en) * 1975-05-29 1977-11-01 Dresser Industries, Inc. Rotary rock bit with multiple row coverage for very hard formations
US4058177A (en) * 1976-03-29 1977-11-15 Dresser Industries, Inc. Asymmetric gage insert for an earth boring apparatus
US4148368A (en) * 1976-09-27 1979-04-10 Smith International, Inc. Rock bit with wear resistant inserts
US4679640A (en) * 1986-02-21 1987-07-14 Dresser Industries, Inc. Method for case hardening rock bits and rock bits formed thereby
US4832139A (en) * 1987-06-10 1989-05-23 Smith International, Inc. Inclined chisel inserts for rock bits
US4838366A (en) * 1988-08-30 1989-06-13 Jones A Raymond Drill bit
ATE117764T1 (de) * 1990-07-10 1995-02-15 Smith International Zahnrollenmeissel mit umfangsschneideinsätzen.
US5152353A (en) * 1990-12-21 1992-10-06 Smith International, Inc. High speed rock bit
US5172777A (en) * 1991-09-26 1992-12-22 Smith International, Inc. Inclined chisel inserts for rock bits

Also Published As

Publication number Publication date
MX9302310A (es) 1994-02-28
CA2093847A1 (en) 1993-10-23
ITMI930682A1 (it) 1994-10-06
US5201376A (en) 1993-04-13
EP0567259B1 (en) 1997-10-22
EP0567259A1 (en) 1993-10-27
IT1264783B1 (it) 1996-10-10
CA2093847C (en) 2002-10-01

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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: 19990430