IT1267161B1 - Utensile perfezionato per trivellazione - Google Patents

Utensile perfezionato per trivellazione

Info

Publication number
IT1267161B1
IT1267161B1 IT94TO000941A ITTO940941A IT1267161B1 IT 1267161 B1 IT1267161 B1 IT 1267161B1 IT 94TO000941 A IT94TO000941 A IT 94TO000941A IT TO940941 A ITTO940941 A IT TO940941A IT 1267161 B1 IT1267161 B1 IT 1267161B1
Authority
IT
Italy
Prior art keywords
drilling
perfected
tool
perfected tool
Prior art date
Application number
IT94TO000941A
Other languages
English (en)
Inventor
Danny E Scott
Rudolf Carl Otto Pessier
Original Assignee
Baker & Huges 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 & Huges Inc filed Critical Baker & Huges Inc
Publication of ITTO940941A0 publication Critical patent/ITTO940941A0/it
Publication of ITTO940941A1 publication Critical patent/ITTO940941A1/it
Application granted granted Critical
Publication of IT1267161B1 publication Critical patent/IT1267161B1/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
    • E21B10/46—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Drilling Tools (AREA)
IT94TO000941A 1993-11-24 1994-11-23 Utensile perfezionato per trivellazione IT1267161B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/157,952 US5407022A (en) 1993-11-24 1993-11-24 Free cutting gage insert with relief angle

Publications (3)

Publication Number Publication Date
ITTO940941A0 ITTO940941A0 (it) 1994-11-23
ITTO940941A1 ITTO940941A1 (it) 1996-05-23
IT1267161B1 true IT1267161B1 (it) 1997-01-28

Family

ID=22566043

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO000941A IT1267161B1 (it) 1993-11-24 1994-11-23 Utensile perfezionato per trivellazione

Country Status (5)

Country Link
US (1) US5407022A (it)
FR (1) FR2713698A1 (it)
GB (1) GB2284224B (it)
IT (1) IT1267161B1 (it)
NO (1) NO944489L (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890552A (en) * 1992-01-31 1999-04-06 Baker Hughes Incorporated Superabrasive-tipped inserts for earth-boring drill bits
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
US5695018A (en) * 1995-09-13 1997-12-09 Baker Hughes Incorporated Earth-boring bit with negative offset and inverted gage cutting elements
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
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
US5735358A (en) * 1996-06-06 1998-04-07 Ingersoll-Rand Company Indexing percussive drilling bit
US6059054A (en) * 1996-06-21 2000-05-09 Smith International, Inc. Non-symmetrical stress-resistant rotary drill bit cutter element
AU3402997A (en) * 1996-06-21 1998-01-07 Smith International, Inc. Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty
US5813485A (en) * 1996-06-21 1998-09-29 Smith International, Inc. Cutter element adapted to withstand tensile stress
US6116359A (en) * 1997-03-17 2000-09-12 Baker Hughes Inc. Tri-cone kerf gage
US5839526A (en) * 1997-04-04 1998-11-24 Smith International, Inc. Rolling cone steel tooth bit with enhancements in cutter shape and placement
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
US6510618B2 (en) 2001-01-16 2003-01-28 Emerson Electric Co. Angle gage
US7100711B2 (en) * 2002-04-25 2006-09-05 Smith International, Inc. Single cone rock bit having inserts adapted to maintain hole gage during drilling
US6997273B2 (en) * 2002-11-15 2006-02-14 Smith International, Inc. Blunt faced cutter element and enhanced drill bit and cutting structure
US20060011388A1 (en) * 2003-01-31 2006-01-19 Mohammed Boudrare Drill bit and cutter element having multiple extensions
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
US7040424B2 (en) * 2003-03-04 2006-05-09 Smith International, Inc. Drill bit and cutter having insert clusters and method of manufacture
US20050109543A1 (en) * 2003-07-01 2005-05-26 George Witman Cutting element arrangement for single roller cone bit
US20050257963A1 (en) * 2004-05-20 2005-11-24 Joseph Tucker Self-Aligning Insert for Drill Bits
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
US7743855B2 (en) * 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
US8205692B2 (en) * 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region
US7798258B2 (en) * 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US7686106B2 (en) * 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US8316968B2 (en) * 2009-05-01 2012-11-27 Smith International, Inc. Rolling cone drill bit having sharp cutting elements in a zone of interest
US8607899B2 (en) 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
US20140182947A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Cutting insert for percussion drill bit
US10125548B2 (en) * 2014-12-22 2018-11-13 Smith International, Inc. Drill bits with core feature for directional drilling applications and methods of use thereof
WO2017123562A1 (en) 2016-01-13 2017-07-20 Schlumberger Technology Corporation Angled chisel insert

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389761A (en) * 1965-12-06 1968-06-25 Dresser Ind Drill bit and inserts therefor
US3727705A (en) * 1972-01-21 1973-04-17 Hughes Tool Co Drill bit with improved gage compact arrangement
US4140189A (en) * 1977-06-06 1979-02-20 Smith International, Inc. Rock bit with diamond reamer to maintain gage
US4343372A (en) * 1980-06-23 1982-08-10 Hughes Tool Company Gage row structure of an earth boring drill bit
US5027913A (en) * 1990-04-12 1991-07-02 Smith International, Inc. Insert attack angle for roller cone rock bits
US5145016B1 (en) * 1990-04-30 1996-08-13 Rock Bit International Inc Rock bit with reaming rows
ATE117764T1 (de) * 1990-07-10 1995-02-15 Smith International Zahnrollenmeissel mit umfangsschneideinsätzen.
US5341890A (en) * 1993-01-08 1994-08-30 Smith International, Inc. Ultra hard insert cutters for heel row rotary cone rock bit applications

Also Published As

Publication number Publication date
ITTO940941A1 (it) 1996-05-23
GB2284224A (en) 1995-05-31
GB9423655D0 (en) 1995-01-11
ITTO940941A0 (it) 1994-11-23
FR2713698A1 (fr) 1995-06-16
NO944489D0 (no) 1994-11-23
GB2284224B (en) 1997-04-16
NO944489L (no) 1995-05-26
US5407022A (en) 1995-04-18

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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: 19971125