BR112012002520A2 - broca de perfuração com dispositivo de direcionamento ajustável - Google Patents

broca de perfuração com dispositivo de direcionamento ajustável

Info

Publication number
BR112012002520A2
BR112012002520A2 BR112012002520A BR112012002520A BR112012002520A2 BR 112012002520 A2 BR112012002520 A2 BR 112012002520A2 BR 112012002520 A BR112012002520 A BR 112012002520A BR 112012002520 A BR112012002520 A BR 112012002520A BR 112012002520 A2 BR112012002520 A2 BR 112012002520A2
Authority
BR
Brazil
Prior art keywords
drill bit
steering device
adjustable steering
adjustable
drill
Prior art date
Application number
BR112012002520A
Other languages
English (en)
Other versions
BR112012002520B1 (pt
Inventor
Ajay V Kulkarni
David K Luce
John F Bradford
Original Assignee
Baker Hughes 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 Hughes Inc filed Critical Baker Hughes Inc
Publication of BR112012002520A2 publication Critical patent/BR112012002520A2/pt
Publication of BR112012002520B1 publication Critical patent/BR112012002520B1/pt

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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)
BR112012002520-1A 2009-08-04 2010-08-04 broca de perfuração, método para fabricar uma broca de perfuração e método para direcionar uma broca de perfuração BR112012002520B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/535,326 US8087479B2 (en) 2009-08-04 2009-08-04 Drill bit with an adjustable steering device
PCT/US2010/044374 WO2011017411A2 (en) 2009-08-04 2010-08-04 Drill bit with an adjustable steering device

Publications (2)

Publication Number Publication Date
BR112012002520A2 true BR112012002520A2 (pt) 2016-03-15
BR112012002520B1 BR112012002520B1 (pt) 2019-11-05

Family

ID=43533967

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012002520-1A BR112012002520B1 (pt) 2009-08-04 2010-08-04 broca de perfuração, método para fabricar uma broca de perfuração e método para direcionar uma broca de perfuração

Country Status (5)

Country Link
US (2) US8087479B2 (pt)
EP (2) EP2462307B1 (pt)
BR (1) BR112012002520B1 (pt)
RU (1) RU2012108163A (pt)
WO (1) WO2011017411A2 (pt)

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Also Published As

Publication number Publication date
EP2462307A2 (en) 2012-06-13
US8087479B2 (en) 2012-01-03
EP2462307B1 (en) 2020-05-06
US20110147089A1 (en) 2011-06-23
BR112012002520B1 (pt) 2019-11-05
WO2011017411A3 (en) 2011-05-19
EP3683398A1 (en) 2020-07-22
EP2462307A4 (en) 2016-08-17
EP3683398B1 (en) 2022-09-28
WO2011017411A4 (en) 2011-07-07
US20110031025A1 (en) 2011-02-10
WO2011017411A2 (en) 2011-02-10
US8240399B2 (en) 2012-08-14
RU2012108163A (ru) 2013-09-10

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Legal Events

Date Code Title Description
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/08/2010, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.