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SG45035A1 - Rotary cone drill bit with contoured insects and compacts - Google Patents

Rotary cone drill bit with contoured insects and compacts

Info

Publication number
SG45035A1
SG45035A1 SG1997000127A SG1997000127A SG45035A1 SG 45035 A1 SG45035 A1 SG 45035A1 SG 1997000127 A SG1997000127 A SG 1997000127A SG 1997000127 A SG1997000127 A SG 1997000127A SG 45035 A1 SG45035 A1 SG 45035A1
Authority
SG
Singapore
Prior art keywords
compacts
contoured
insects
drill bit
cone drill
Prior art date
Application number
SG1997000127A
Other languages
English (en)
Inventor
Micheal Burl Crawford
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 SG45035A1 publication Critical patent/SG45035A1/en

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

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)
  • Drilling Tools (AREA)
SG1997000127A 1996-01-22 1997-01-18 Rotary cone drill bit with contoured insects and compacts SG45035A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/589,815 US5709278A (en) 1996-01-22 1996-01-22 Rotary cone drill bit with contoured inserts and compacts

Publications (1)

Publication Number Publication Date
SG45035A1 true SG45035A1 (en) 1997-12-19

Family

ID=24359651

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997000127A SG45035A1 (en) 1996-01-22 1997-01-18 Rotary cone drill bit with contoured insects and compacts

Country Status (5)

Country Link
US (1) US5709278A (it)
GB (1) GB2309242B (it)
ID (1) ID16446A (it)
IT (1) IT1289187B1 (it)
SG (1) SG45035A1 (it)

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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
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US7703557B2 (en) * 2007-06-11 2010-04-27 Smith International, Inc. Fixed cutter bit with backup cutter elements on primary blades
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US8534390B2 (en) 2010-10-01 2013-09-17 Varel International, Ind., L.P. Wear resistant material for the shirttail outer surface of a rotary cone drill bit
US9488007B2 (en) 2010-10-01 2016-11-08 Varel International Ind., L.P. Wear resistant plates on a leading transitional surface of the leg for a rotary cone drill bit
US8528667B2 (en) 2010-10-01 2013-09-10 Varel International, Ind., L.P. Wear resistant material at the leading edge of the leg for a rotary cone drill bit
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BR112013027545A2 (pt) 2011-04-26 2017-01-10 Smith International elemento de corte, e método para formar uma broca de perfuração
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CA3011347A1 (en) 2016-01-13 2017-07-20 Schlumberger Canada Limited Angled chisel insert

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Also Published As

Publication number Publication date
US5709278A (en) 1998-01-20
MX9700526A (es) 1997-07-31
ID16446A (id) 1997-10-02
GB2309242B (en) 1999-09-22
ITMI970112A1 (it) 1998-07-22
GB9700466D0 (en) 1997-02-26
IT1289187B1 (it) 1998-09-29
GB2309242A (en) 1997-07-23

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