GB1193717A - Improvements in or relating to Roller Cutter Boring Bits - Google Patents

Improvements in or relating to Roller Cutter Boring Bits

Info

Publication number
GB1193717A
GB1193717A GB4107167A GB4107167A GB1193717A GB 1193717 A GB1193717 A GB 1193717A GB 4107167 A GB4107167 A GB 4107167A GB 4107167 A GB4107167 A GB 4107167A GB 1193717 A GB1193717 A GB 1193717A
Authority
GB
United Kingdom
Prior art keywords
relating
roller cutter
boring bits
teeth
cutter boring
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4107167A
Inventor
Anatoly Stepanovich Mokshin
Jury Evgenievich Vladislavlev
Leonid Pavlovich Konstantinov
Anatoly Petrovich Okulov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INST BUROVOI TEKHNIK
Original Assignee
INST BUROVOI TEKHNIK
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 INST BUROVOI TEKHNIK filed Critical INST BUROVOI TEKHNIK
Priority to GB4107167A priority Critical patent/GB1193717A/en
Publication of GB1193717A publication Critical patent/GB1193717A/en
Expired legal-status Critical Current

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
    • E21B10/46—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 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
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)

Abstract

1,193,717. Boring earth &c. VSESOJUZNY NAUOHNO-IiSSLEDOVATBLSKY INSTITUT BUROVOI TEKHNIKI. 8 Sept., 1967, No. 41071/67. Heading E1F. In a bit comprising rollers 3 having teeth 6, 7 arranged in rings one roller has the apices of the teeth 7 lying within an imaginary convex surface of revolution containing the apices of the remaining teeth 6.
GB4107167A 1967-09-08 1967-09-08 Improvements in or relating to Roller Cutter Boring Bits Expired GB1193717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4107167A GB1193717A (en) 1967-09-08 1967-09-08 Improvements in or relating to Roller Cutter Boring Bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4107167A GB1193717A (en) 1967-09-08 1967-09-08 Improvements in or relating to Roller Cutter Boring Bits

Publications (1)

Publication Number Publication Date
GB1193717A true GB1193717A (en) 1970-06-03

Family

ID=10417996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4107167A Expired GB1193717A (en) 1967-09-08 1967-09-08 Improvements in or relating to Roller Cutter Boring Bits

Country Status (1)

Country Link
GB (1) GB1193717A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305581A1 (en) * 1975-03-24 1976-10-22 Dresser Ind PROTECTION AGAINST EROSION OF SURFACES CARRIED BY A ROCK TREPAN WHEEL
FR2538441A1 (en) * 1982-12-28 1984-06-29 Sumitomo Metal Mining Co DRILL BIT WITH WHEELS
EP0159801A1 (en) * 1984-03-19 1985-10-30 Inco Limited Spherical bit
GB2327962A (en) * 1997-08-05 1999-02-10 Smith International Drill bit and downhole assembly
GB2328965A (en) * 1997-09-04 1999-03-10 Smith International Cutter element with increased hole bottom coverage
US6241034B1 (en) 1996-06-21 2001-06-05 Smith International, Inc. Cutter element with expanded crest geometry
GB2365902A (en) * 1997-08-05 2002-02-27 Smith International Drill bit with ridge-cutting cutter elements
US6367568B2 (en) 1997-09-04 2002-04-09 Smith International, Inc. Steel tooth cutter element with expanded crest

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305581A1 (en) * 1975-03-24 1976-10-22 Dresser Ind PROTECTION AGAINST EROSION OF SURFACES CARRIED BY A ROCK TREPAN WHEEL
FR2538441A1 (en) * 1982-12-28 1984-06-29 Sumitomo Metal Mining Co DRILL BIT WITH WHEELS
GB2132662A (en) * 1982-12-28 1984-07-11 Sumitomo Metal Mining Co Drill bit
EP0159801A1 (en) * 1984-03-19 1985-10-30 Inco Limited Spherical bit
US6241034B1 (en) 1996-06-21 2001-06-05 Smith International, Inc. Cutter element with expanded crest geometry
GB2365901B (en) * 1997-08-05 2002-04-17 Smith International Drill bit with ridge-cutting cutter element(s)
GB2365901A (en) * 1997-08-05 2002-02-27 Smith International Drill bit with ridge-cutting cutter elements
US6176329B1 (en) 1997-08-05 2001-01-23 Smith International, Inc. Drill bit with ridge-cutting cutter elements
US6422327B1 (en) 1997-08-05 2002-07-23 Smith International, Inc. Drill bit with ridge-cutting cutter elements
GB2327962B (en) * 1997-08-05 2002-01-16 Smith International Drill bit with ridge-cutting cutter element
GB2365902A (en) * 1997-08-05 2002-02-27 Smith International Drill bit with ridge-cutting cutter elements
GB2365903A (en) * 1997-08-05 2002-02-27 Smith International Downhole assembly incorporating a drill bit with ridge-cutting cutter elements
GB2365902B (en) * 1997-08-05 2002-04-17 Smith International Drill bit with ridge-cutting cutter element(s)
GB2365903B (en) * 1997-08-05 2002-04-17 Smith International Downhole assembly incorporating drill bit with ridge-cutting cutter element(s)
GB2327962A (en) * 1997-08-05 1999-02-10 Smith International Drill bit and downhole assembly
US6367568B2 (en) 1997-09-04 2002-04-09 Smith International, Inc. Steel tooth cutter element with expanded crest
GB2328965B (en) * 1997-09-04 2002-03-13 Smith International Drill bit with cutter element having expanded cutting portion
US6161634A (en) * 1997-09-04 2000-12-19 Minikus; James C. Cutter element with non-rectilinear crest
GB2328965A (en) * 1997-09-04 1999-03-10 Smith International Cutter element with increased hole bottom coverage
US6782959B2 (en) 1997-09-04 2004-08-31 Smith International, Inc. Cutter element with non-linear, expanded crest

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees