EP0225101A3 - Bohrmeissel - Google Patents

Bohrmeissel

Info

Publication number
EP0225101A3
EP0225101A3 EP86308956A EP86308956A EP0225101A3 EP 0225101 A3 EP0225101 A3 EP 0225101A3 EP 86308956 A EP86308956 A EP 86308956A EP 86308956 A EP86308956 A EP 86308956A EP 0225101 A3 EP0225101 A3 EP 0225101A3
Authority
EP
European Patent Office
Prior art keywords
bit
elements
formation
movable structure
bit body
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.)
Withdrawn
Application number
EP86308956A
Other languages
English (en)
French (fr)
Other versions
EP0225101A2 (de
Inventor
John Denzil Barr
Michael Thomas Wardley
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.)
NL Petroleum Products Ltd
Original Assignee
NL Petroleum Products 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 NL Petroleum Products Ltd filed Critical NL Petroleum Products Ltd
Publication of EP0225101A2 publication Critical patent/EP0225101A2/de
Publication of EP0225101A3 publication Critical patent/EP0225101A3/de
Withdrawn legal-status Critical Current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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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
    • E21B10/08—Roller bits
    • E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type

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)
EP86308956A 1985-11-23 1986-11-17 Bohrmeissel Withdrawn EP0225101A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858528894A GB8528894D0 (en) 1985-11-23 1985-11-23 Rotary drill bits
GB8528894 1985-11-23

Publications (2)

Publication Number Publication Date
EP0225101A2 EP0225101A2 (de) 1987-06-10
EP0225101A3 true EP0225101A3 (de) 1988-09-21

Family

ID=10588676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86308956A Withdrawn EP0225101A3 (de) 1985-11-23 1986-11-17 Bohrmeissel

Country Status (3)

Country Link
EP (1) EP0225101A3 (de)
AU (1) AU6538886A (de)
GB (2) GB8528894D0 (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8056651B2 (en) 2009-04-28 2011-11-15 Baker Hughes Incorporated Adaptive control concept for hybrid PDC/roller cone bits
US8141664B2 (en) 2009-03-03 2012-03-27 Baker Hughes Incorporated Hybrid drill bit with high bearing pin angles
US8157026B2 (en) 2009-06-18 2012-04-17 Baker Hughes Incorporated Hybrid bit with variable exposure
US8191635B2 (en) 2009-10-06 2012-06-05 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8356398B2 (en) 2008-05-02 2013-01-22 Baker Hughes Incorporated Modular hybrid drill bit
US8448724B2 (en) 2009-10-06 2013-05-28 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8459378B2 (en) 2009-05-13 2013-06-11 Baker Hughes Incorporated Hybrid drill bit
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US8950514B2 (en) 2010-06-29 2015-02-10 Baker Hughes Incorporated Drill bits with anti-tracking features
US8978786B2 (en) 2010-11-04 2015-03-17 Baker Hughes Incorporated System and method for adjusting roller cone profile on hybrid bit
US9004198B2 (en) 2009-09-16 2015-04-14 Baker Hughes Incorporated External, divorced PDC bearing assemblies for hybrid drill bits
US9353575B2 (en) 2011-11-15 2016-05-31 Baker Hughes Incorporated Hybrid drill bits having increased drilling efficiency
US9476259B2 (en) 2008-05-02 2016-10-25 Baker Hughes Incorporated System and method for leg retention on hybrid bits

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9708428D0 (en) * 1997-04-26 1997-06-18 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
US6338390B1 (en) * 1999-01-12 2002-01-15 Baker Hughes Incorporated Method and apparatus for drilling a subterranean formation employing drill bit oscillation
DE60011587T2 (de) 1999-11-10 2005-06-30 Schlumberger Holdings Ltd., Road Town Steuerungsverfahren für steuerbares bohrsystem
US7136795B2 (en) 1999-11-10 2006-11-14 Schlumberger Technology Corporation Control method for use with a steerable drilling system
US8082134B2 (en) * 2000-03-13 2011-12-20 Smith International, Inc. Techniques for modeling/simulating, designing optimizing, and displaying hybrid drill bits
US20030127252A1 (en) 2001-12-19 2003-07-10 Geoff Downton Motor Driven Hybrid Rotary Steerable System
WO2003096075A1 (en) 2002-05-13 2003-11-20 Camco International (Uk) Limited Recalibration of downhole sensors
US7841426B2 (en) * 2007-04-05 2010-11-30 Baker Hughes Incorporated Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
US7845435B2 (en) * 2007-04-05 2010-12-07 Baker Hughes Incorporated Hybrid drill bit and method of drilling
US20100025119A1 (en) 2007-04-05 2010-02-04 Baker Hughes Incorporated Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit
CA2705825A1 (en) 2007-11-16 2009-05-22 Baker Hughes Incorporated Hybrid drill bit and design method
US7819208B2 (en) * 2008-07-25 2010-10-26 Baker Hughes Incorporated Dynamically stable hybrid drill bit
US9439277B2 (en) 2008-10-23 2016-09-06 Baker Hughes Incorporated Robotically applied hardfacing with pre-heat
US8450637B2 (en) 2008-10-23 2013-05-28 Baker Hughes Incorporated Apparatus for automated application of hardfacing material to drill bits
WO2010053710A2 (en) 2008-10-29 2010-05-14 Baker Hughes Incorporated Method and apparatus for robotic welding of drill bits
US8047307B2 (en) 2008-12-19 2011-11-01 Baker Hughes Incorporated Hybrid drill bit with secondary backup cutters positioned with high side rake angles
MX2011006187A (es) 2008-12-31 2011-06-20 Baker Hughes Inc Metodo y aparato para la aplicacion automatizada de material de revestimiento duro a fresas envolventes de barrenas de perforacion terrestre tipo hibridas, barrenas de perforacion hibridas que comprenden tales elementos de corte de dientes de acero c
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
US10107039B2 (en) 2014-05-23 2018-10-23 Baker Hughes Incorporated Hybrid bit with mechanically attached roller cone elements
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
CN107709693A (zh) 2015-07-17 2018-02-16 哈里伯顿能源服务公司 中心具有反向旋转切削器的混合钻头
US11795763B2 (en) 2020-06-11 2023-10-24 Schlumberger Technology Corporation Downhole tools having radially extendable elements
CN120100411B (zh) * 2025-04-24 2025-08-29 中电建振冲建设工程股份有限公司 一种适用于不同岩层的钻机成孔方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024855A (en) * 1959-07-06 1962-03-13 Jersey Prod Res Co Extensible drill bit
US3765493A (en) * 1971-12-01 1973-10-16 E Rosar Dual bit drilling tool
US4076087A (en) * 1976-06-14 1978-02-28 Vladimir Yakovlevich Chuply Hole reamer
US4478296A (en) * 1981-12-14 1984-10-23 Richman Jr Charles D Drill bit having multiple drill rod impact members

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024855A (en) * 1959-07-06 1962-03-13 Jersey Prod Res Co Extensible drill bit
US3765493A (en) * 1971-12-01 1973-10-16 E Rosar Dual bit drilling tool
US4076087A (en) * 1976-06-14 1978-02-28 Vladimir Yakovlevich Chuply Hole reamer
US4478296A (en) * 1981-12-14 1984-10-23 Richman Jr Charles D Drill bit having multiple drill rod impact members

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US8356398B2 (en) 2008-05-02 2013-01-22 Baker Hughes Incorporated Modular hybrid drill bit
US9476259B2 (en) 2008-05-02 2016-10-25 Baker Hughes Incorporated System and method for leg retention on hybrid bits
US8141664B2 (en) 2009-03-03 2012-03-27 Baker Hughes Incorporated Hybrid drill bit with high bearing pin angles
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
US8336646B2 (en) 2009-06-18 2012-12-25 Baker Hughes Incorporated Hybrid bit with variable exposure
US8157026B2 (en) 2009-06-18 2012-04-17 Baker Hughes Incorporated Hybrid bit with variable exposure
US9004198B2 (en) 2009-09-16 2015-04-14 Baker Hughes Incorporated External, divorced PDC bearing assemblies for hybrid drill bits
US9556681B2 (en) 2009-09-16 2017-01-31 Baker Hughes Incorporated External, divorced PDC bearing assemblies for hybrid drill bits
US8448724B2 (en) 2009-10-06 2013-05-28 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8347989B2 (en) 2009-10-06 2013-01-08 Baker Hughes Incorporated Hole opener with hybrid reaming section and method of making
US8191635B2 (en) 2009-10-06 2012-06-05 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8950514B2 (en) 2010-06-29 2015-02-10 Baker Hughes Incorporated Drill bits with anti-tracking features
US8978786B2 (en) 2010-11-04 2015-03-17 Baker Hughes Incorporated System and method for adjusting roller cone profile on hybrid bit
US9353575B2 (en) 2011-11-15 2016-05-31 Baker Hughes Incorporated Hybrid drill bits having increased drilling efficiency

Also Published As

Publication number Publication date
AU6538886A (en) 1987-05-28
GB2183694A (en) 1987-06-10
EP0225101A2 (de) 1987-06-10
GB8528894D0 (en) 1986-01-02
GB8627439D0 (en) 1986-12-17

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Legal Events

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Effective date: 19890322

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BARR, JOHN DENZIL

Inventor name: WARDLEY, MICHAEL THOMAS