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GB2478856B - Drill bit - Google Patents

Drill bit

Info

Publication number
GB2478856B
GB2478856B GB1104595.2A GB201104595A GB2478856B GB 2478856 B GB2478856 B GB 2478856B GB 201104595 A GB201104595 A GB 201104595A GB 2478856 B GB2478856 B GB 2478856B
Authority
GB
United Kingdom
Prior art keywords
drill bit
drill
bit
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 - Fee Related
Application number
GB1104595.2A
Other versions
GB201104595D0 (en
GB2478856A (en
Inventor
Michael Wardley
Mitch Bavidge
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.)
Tesco Corp Canada
Original Assignee
Tesco Corp Canada
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 Tesco Corp Canada filed Critical Tesco Corp Canada
Publication of GB201104595D0 publication Critical patent/GB201104595D0/en
Publication of GB2478856A publication Critical patent/GB2478856A/en
Application granted granted Critical
Publication of GB2478856B publication Critical patent/GB2478856B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/20Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/14Casing shoes for the protection of the bottom of the casing

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB1104595.2A 2010-03-19 2011-03-18 Drill bit Expired - Fee Related GB2478856B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1004603.5A GB201004603D0 (en) 2010-03-19 2010-03-19 Drill bit

Publications (3)

Publication Number Publication Date
GB201104595D0 GB201104595D0 (en) 2011-05-04
GB2478856A GB2478856A (en) 2011-09-21
GB2478856B true GB2478856B (en) 2013-02-20

Family

ID=42227989

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1004603.5A Ceased GB201004603D0 (en) 2010-03-19 2010-03-19 Drill bit
GB1104595.2A Expired - Fee Related GB2478856B (en) 2010-03-19 2011-03-18 Drill bit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1004603.5A Ceased GB201004603D0 (en) 2010-03-19 2010-03-19 Drill bit

Country Status (7)

Country Link
US (1) US20130098692A1 (en)
BR (1) BR112012023658A2 (en)
CA (1) CA2793678A1 (en)
GB (2) GB201004603D0 (en)
MX (1) MX340650B (en)
NO (1) NO20121207A1 (en)
WO (1) WO2011114167A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140360790A1 (en) * 2013-06-05 2014-12-11 Kennametal Inc. Edge protector for roof drill bit cutting insert
US10428584B2 (en) * 2016-07-13 2019-10-01 Varel International Ind., L.P. Bit for drilling with casing or liner string and manufacture thereof
CN112714819B (en) 2017-09-29 2023-10-31 通用电气(Ge)贝克休斯有限责任公司 Earth-boring tool having selectively tailored gage regions for reducing bit walk and drilling method utilizing same
RU2766136C1 (en) * 2021-08-17 2022-02-08 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Bit for drilling on casing string

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064713A1 (en) * 1998-06-11 1999-12-16 Bbl Downhole Tools Ltd. A drilling tool
WO2001046550A1 (en) * 1999-12-22 2001-06-28 Weatherford/Lamb, Inc. Drilling bit for drilling while running casing
US20050183892A1 (en) * 2004-02-19 2005-08-25 Oldham Jack T. Casing and liner drilling bits, cutting elements therefor, and methods of use
WO2007133739A2 (en) * 2006-05-15 2007-11-22 Baker Hughes Incorporated Reaming tool suitable for running on casing or liner and method of reaming
WO2010120567A2 (en) * 2009-04-01 2010-10-21 Baker Hughes Incorporated Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods
WO2010141781A1 (en) * 2009-06-05 2010-12-09 Varel International, Ind., L.P. Casing bit and casing reamer designs
US20110061941A1 (en) * 2009-09-11 2011-03-17 Twardowski Eric M Earth removal member with features for facilitating drill-through

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219512A (en) * 1938-03-21 1940-10-29 James W Mccoy Device for surveying drilled holes
US2267833A (en) * 1940-02-09 1941-12-30 Thomas E Mcmahan Well bit guide
US2371489A (en) * 1943-08-09 1945-03-13 Sam P Daniel Drill bit
US2937941A (en) * 1958-02-24 1960-05-24 Ampco Metal Inc Aluminum bronze alloy containing manganese and chromium and having improved wear resistance
US3663311A (en) * 1969-05-21 1972-05-16 Bell Telephone Labor Inc Processing of copper alloys
JPS5475445A (en) * 1977-11-28 1979-06-16 Kobe Steel Ltd Life elongating method for hot degassed seawater treating apparatus
GB8628168D0 (en) * 1986-11-22 1986-12-31 Nl Petroleum Prod Rotary drill bits
CA2516649C (en) * 2003-02-27 2010-01-19 Weatherford/Lamb, Inc. Drill shoe
WO2004100992A2 (en) 2003-05-16 2004-11-25 Pfizer Products Inc. Therapeutic combinations of atypical antipsychotics with gaba modulators, anticonvulsants or benzodiazapines
WO2010008990A2 (en) * 2008-07-15 2010-01-21 Baker Hughes Incorporated Earth boring tools and methods of making earth boring tools including an impact material, and methods of drilling through casing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064713A1 (en) * 1998-06-11 1999-12-16 Bbl Downhole Tools Ltd. A drilling tool
WO2001046550A1 (en) * 1999-12-22 2001-06-28 Weatherford/Lamb, Inc. Drilling bit for drilling while running casing
US20050183892A1 (en) * 2004-02-19 2005-08-25 Oldham Jack T. Casing and liner drilling bits, cutting elements therefor, and methods of use
WO2007133739A2 (en) * 2006-05-15 2007-11-22 Baker Hughes Incorporated Reaming tool suitable for running on casing or liner and method of reaming
WO2010120567A2 (en) * 2009-04-01 2010-10-21 Baker Hughes Incorporated Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods
WO2010141781A1 (en) * 2009-06-05 2010-12-09 Varel International, Ind., L.P. Casing bit and casing reamer designs
US20110061941A1 (en) * 2009-09-11 2011-03-17 Twardowski Eric M Earth removal member with features for facilitating drill-through

Also Published As

Publication number Publication date
MX2012010789A (en) 2013-01-29
BR112012023658A2 (en) 2017-10-03
WO2011114167A3 (en) 2012-11-15
WO2011114167A2 (en) 2011-09-22
NO20121207A1 (en) 2012-10-17
GB201104595D0 (en) 2011-05-04
US20130098692A1 (en) 2013-04-25
GB2478856A (en) 2011-09-21
GB201004603D0 (en) 2010-05-05
CA2793678A1 (en) 2011-09-22
MX340650B (en) 2016-07-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20141113 AND 20141119

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170318