GB201004603D0 - Drill bit - Google Patents

Drill bit

Info

Publication number
GB201004603D0
GB201004603D0 GBGB1004603.5A GB201004603A GB201004603D0 GB 201004603 D0 GB201004603 D0 GB 201004603D0 GB 201004603 A GB201004603 A GB 201004603A GB 201004603 D0 GB201004603 D0 GB 201004603D0
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.)
Ceased
Application number
GBGB1004603.5A
Other languages
English (en)
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
2TD Ltd
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 2TD Ltd filed Critical 2TD Ltd
Priority to GBGB1004603.5A priority Critical patent/GB201004603D0/en
Publication of GB201004603D0 publication Critical patent/GB201004603D0/en
Priority to PCT/GB2011/050545 priority patent/WO2011114167A2/fr
Priority to BR112012023658A priority patent/BR112012023658A2/pt
Priority to GB1104595.2A priority patent/GB2478856B/en
Priority to US13/636,081 priority patent/US20130098692A1/en
Priority to MX2012010789A priority patent/MX340650B/es
Priority to CA2793678A priority patent/CA2793678A1/fr
Priority to NO20121207A priority patent/NO20121207A1/no
Ceased legal-status Critical Current

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • 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
    • 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
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill 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
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/14—Casing 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)
GBGB1004603.5A 2010-03-19 2010-03-19 Drill bit Ceased GB201004603D0 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GBGB1004603.5A GB201004603D0 (en) 2010-03-19 2010-03-19 Drill bit
PCT/GB2011/050545 WO2011114167A2 (fr) 2010-03-19 2011-03-18 Trépan
BR112012023658A BR112012023658A2 (pt) 2010-03-19 2011-03-18 Broca de perfuração
GB1104595.2A GB2478856B (en) 2010-03-19 2011-03-18 Drill bit
US13/636,081 US20130098692A1 (en) 2010-03-19 2011-03-18 Drill bit
MX2012010789A MX340650B (es) 2010-03-19 2011-03-18 Broca.
CA2793678A CA2793678A1 (fr) 2010-03-19 2011-03-18 Trepan
NO20121207A NO20121207A1 (no) 2010-03-19 2012-10-17 Borekrone

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB201004603D0 true GB201004603D0 (en) 2010-05-05

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 After (1)

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

Country Status (7)

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

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
WO2019067998A1 (fr) 2017-09-29 2019-04-04 Baker Hughes, A Ge Company, Llc Outils de forage ayant une région de jauge adaptée sélectivement pour déplacement de trépan réduit et procédé de forage avec ceux-ci
RU2766136C1 (ru) * 2021-08-17 2022-02-08 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Долото для бурения на обсадной колонне

Family Cites Families (17)

* 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
AU751544B2 (en) * 1998-06-11 2002-08-22 Weatherford Technology Holdings, Llc A drilling tool
CA2393754C (fr) * 1999-12-22 2009-10-20 Weatherford/Lamb, Inc. Trepan destine au forage pendant la descente du tubage
US7096982B2 (en) * 2003-02-27 2006-08-29 Weatherford/Lamb, Inc. Drill shoe
JP2006528676A (ja) 2003-05-16 2006-12-21 ファイザー・プロダクツ・インク 非定形型抗精神病薬と、ｇａｂａ調節薬及び／又は抗痙攣薬の治療上の組合せ
US7395882B2 (en) * 2004-02-19 2008-07-08 Baker Hughes Incorporated Casing and liner drilling bits
US7621351B2 (en) * 2006-05-15 2009-11-24 Baker Hughes Incorporated Reaming tool suitable for running on casing or liner
US8479846B2 (en) * 2008-07-15 2013-07-09 Baker Hughes Incorporated Earth-boring tools including an impact material and methods of drilling through casing
US20100252331A1 (en) * 2009-04-01 2010-10-07 High Angela D Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods
SG10201404788WA (en) * 2009-06-05 2014-10-30 Varel Int Ind Lp Casing bit and casing reamer designs
US8074749B2 (en) * 2009-09-11 2011-12-13 Weatherford/Lamb, Inc. Earth removal member with features for facilitating drill-through

Also Published As

Publication number Publication date
NO20121207A1 (no) 2012-10-17
GB2478856A (en) 2011-09-21
BR112012023658A2 (pt) 2017-10-03
WO2011114167A2 (fr) 2011-09-22
US20130098692A1 (en) 2013-04-25
WO2011114167A3 (fr) 2012-11-15
GB201104595D0 (en) 2011-05-04
GB2478856B (en) 2013-02-20
CA2793678A1 (fr) 2011-09-22
MX340650B (es) 2016-07-15
MX2012010789A (es) 2013-01-29

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: TESCO CORPORATION

Free format text: FORMER OWNER: 2TD LIMITED

AT Applications terminated before publication under section 16(1)