ATE521785T1 - Verformbarer meissel - Google Patents

Verformbarer meissel

Info

Publication number
ATE521785T1
ATE521785T1 AT08842873T AT08842873T ATE521785T1 AT E521785 T1 ATE521785 T1 AT E521785T1 AT 08842873 T AT08842873 T AT 08842873T AT 08842873 T AT08842873 T AT 08842873T AT E521785 T1 ATE521785 T1 AT E521785T1
Authority
AT
Austria
Prior art keywords
circuit
pressure
pistons
piston
chisel
Prior art date
Application number
AT08842873T
Other languages
English (en)
Inventor
Kuo-Chiang Chen
Geoff Downton
Original Assignee
Prad Res & Dev 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 Prad Res & Dev Ltd filed Critical Prad Res & Dev Ltd
Application granted granted Critical
Publication of ATE521785T1 publication Critical patent/ATE521785T1/de

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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
    • 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

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)
AT08842873T 2007-10-24 2008-09-29 Verformbarer meissel ATE521785T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/923,160 US7836975B2 (en) 2007-10-24 2007-10-24 Morphable bit
PCT/US2008/078063 WO2009055199A2 (en) 2007-10-24 2008-09-29 Morphible bit

Publications (1)

Publication Number Publication Date
ATE521785T1 true ATE521785T1 (de) 2011-09-15

Family

ID=40510536

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08842873T ATE521785T1 (de) 2007-10-24 2008-09-29 Verformbarer meissel

Country Status (5)

Country Link
US (1) US7836975B2 (de)
EP (1) EP2137372B1 (de)
AT (1) ATE521785T1 (de)
CA (1) CA2683705C (de)
WO (1) WO2009055199A2 (de)

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US8056651B2 (en) * 2009-04-28 2011-11-15 Baker Hughes Incorporated Adaptive control concept for hybrid PDC/roller cone bits
US8459378B2 (en) 2009-05-13 2013-06-11 Baker Hughes Incorporated Hybrid drill bit
US8157026B2 (en) 2009-06-18 2012-04-17 Baker Hughes Incorporated Hybrid bit with variable exposure
EP2478177A2 (de) 2009-09-16 2012-07-25 Baker Hughes Incorporated Externe geteilte pdc-lageranordnungen für hybrid-bohrspitzen
US8448724B2 (en) 2009-10-06 2013-05-28 Baker Hughes Incorporated Hole opener with hybrid reaming section
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US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
US9080399B2 (en) * 2011-06-14 2015-07-14 Baker Hughes Incorporated Earth-boring tools including retractable pads, cartridges including retractable pads for such tools, and related methods
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US9255449B2 (en) * 2012-07-30 2016-02-09 Baker Hughes Incorporated Drill bit with electrohydraulically adjustable pads for controlling depth of cut
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US9103175B2 (en) 2012-07-30 2015-08-11 Baker Hughes Incorporated Drill bit with hydraulically-activated force application device for controlling depth-of-cut of the drill bit
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US10041305B2 (en) 2015-09-11 2018-08-07 Baker Hughes Incorporated Actively controlled self-adjusting bits and related systems and methods
RU2738434C2 (ru) * 2015-12-17 2020-12-14 Бейкер Хьюз, Э Джии Компани, Ллк Инструменты для бурения земной поверхности, содержащие пассивно регулируемые элементы для изменения агрессивности, и связанные с ними способы
US10273759B2 (en) 2015-12-17 2019-04-30 Baker Hughes Incorporated Self-adjusting earth-boring tools and related systems and methods
WO2017142815A1 (en) 2016-02-16 2017-08-24 Extreme Rock Destruction LLC Drilling machine
US10890030B2 (en) 2016-12-28 2021-01-12 Xr Lateral Llc Method, apparatus by method, and apparatus of guidance positioning members for directional drilling
US11255136B2 (en) 2016-12-28 2022-02-22 Xr Lateral Llc Bottom hole assemblies for directional drilling
WO2019014142A1 (en) 2017-07-12 2019-01-17 Extreme Rock Destruction, LLC LATERALLY ORIENTED CUTTING STRUCTURES
US10633929B2 (en) 2017-07-28 2020-04-28 Baker Hughes, A Ge Company, Llc Self-adjusting earth-boring tools and related systems
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US11795763B2 (en) 2020-06-11 2023-10-24 Schlumberger Technology Corporation Downhole tools having radially extendable elements
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US11788362B2 (en) 2021-12-15 2023-10-17 Halliburton Energy Services, Inc. Piston-based backup assembly for drill bit

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Also Published As

Publication number Publication date
CA2683705A1 (en) 2009-04-30
EP2137372B1 (de) 2011-08-24
WO2009055199A3 (en) 2009-06-04
US7836975B2 (en) 2010-11-23
US20090107722A1 (en) 2009-04-30
CA2683705C (en) 2012-07-10
EP2137372A2 (de) 2009-12-30
WO2009055199A2 (en) 2009-04-30

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties