GB8710876D0 - Rotary drill bits - Google Patents

Rotary drill bits

Info

Publication number
GB8710876D0
GB8710876D0 GB878710876A GB8710876A GB8710876D0 GB 8710876 D0 GB8710876 D0 GB 8710876D0 GB 878710876 A GB878710876 A GB 878710876A GB 8710876 A GB8710876 A GB 8710876A GB 8710876 D0 GB8710876 D0 GB 8710876D0
Authority
GB
United Kingdom
Prior art keywords
drill bits
rotary drill
rotary
bits
drill
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Withdrawn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
GB878710876A
Other versions
GB2190412A (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.)
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 GB8710876D0 publication Critical patent/GB8710876D0/en
Publication of GB2190412A publication Critical patent/GB2190412A/en
Withdrawn legal-status Critical Current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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
GB08710876A 1986-05-16 1987-05-08 Improvements in or relating to rotary drill bits Withdrawn GB2190412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868612012A GB8612012D0 (en) 1986-05-16 1986-05-16 Rotary drill bits

Publications (2)

Publication Number Publication Date
GB8710876D0 true GB8710876D0 (en) 1987-06-10
GB2190412A GB2190412A (en) 1987-11-18

Family

ID=10598000

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868612012A Pending GB8612012D0 (en) 1986-05-16 1986-05-16 Rotary drill bits
GB08710876A Withdrawn GB2190412A (en) 1986-05-16 1987-05-08 Improvements in or relating to rotary drill bits

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868612012A Pending GB8612012D0 (en) 1986-05-16 1986-05-16 Rotary drill bits

Country Status (2)

Country Link
EP (1) EP0246789A3 (en)
GB (2) GB8612012D0 (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001138B1 (en) * 1985-02-04 1998-01-20 Bayer Agrochem Kk Heterocyclic compounds
GB8711255D0 (en) * 1987-05-13 1987-06-17 Nl Petroleum Prod Rotary drill bits
US5004057A (en) * 1988-01-20 1991-04-02 Eastman Christensen Company Drill bit with improved steerability
GB2218134B (en) * 1988-04-05 1992-11-18 Reed Tool Co Improvements in or relating to cutting elements for rotary drill bits
US5027912A (en) * 1988-07-06 1991-07-02 Baker Hughes Incorporated Drill bit having improved cutter configuration
EP0350045B1 (en) * 1988-07-06 1996-01-17 Baker Hughes Incorporated Drill bit with composite cutting members
US4941538A (en) * 1989-09-20 1990-07-17 Hughes Tool Company One-piece drill bit with improved gage design
US5025873A (en) * 1989-09-29 1991-06-25 Baker Hughes Incorporated Self-renewing multi-element cutting structure for rotary drag bit
US5348108A (en) * 1991-03-01 1994-09-20 Baker Hughes Incorporated Rolling cone bit with improved wear resistant inserts
US5238074A (en) * 1992-01-06 1993-08-24 Baker Hughes Incorporated Mosaic diamond drag bit cutter having a nonuniform wear pattern
GB2309991B (en) * 1995-08-22 1997-10-29 Smith International A method of making multiple diamond layer polycrystalline diamond composite cutters
US5667028A (en) * 1995-08-22 1997-09-16 Smith International, Inc. Multiple diamond layer polycrystalline diamond composite cutters
US5820985A (en) * 1995-12-07 1998-10-13 Baker Hughes Incorporated PDC cutters with improved toughness
US6009963A (en) * 1997-01-14 2000-01-04 Baker Hughes Incorporated Superabrasive cutting element with enhanced stiffness, thermal conductivity and cutting efficiency
US5967249A (en) * 1997-02-03 1999-10-19 Baker Hughes Incorporated Superabrasive cutters with structure aligned to loading and method of drilling
US5979578A (en) * 1997-06-05 1999-11-09 Smith International, Inc. Multi-layer, multi-grade multiple cutting surface PDC cutter
GB9811705D0 (en) * 1998-06-02 1998-07-29 Camco Int Uk Ltd Preform cutting elements for rotary drill bits
US7036611B2 (en) 2002-07-30 2006-05-02 Baker Hughes Incorporated Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
US7533740B2 (en) 2005-02-08 2009-05-19 Smith International Inc. Thermally stable polycrystalline diamond cutting elements and bits incorporating the same
US8875810B2 (en) 2006-03-02 2014-11-04 Baker Hughes Incorporated Hole enlargement drilling device and methods for using same
GB2449594B (en) 2006-03-02 2010-11-17 Baker Hughes Inc Automated steerable hole enlargement drilling device and methods
RU2462577C2 (en) 2006-12-04 2012-09-27 Бейкер Хьюз Инкорпорейтед Expanding reamer for holes reaming and method of hole reaming
US8002859B2 (en) 2007-02-06 2011-08-23 Smith International, Inc. Manufacture of thermally stable cutting elements
US7942219B2 (en) 2007-03-21 2011-05-17 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
US9297211B2 (en) 2007-12-17 2016-03-29 Smith International, Inc. Polycrystalline diamond construction with controlled gradient metal content
US8096373B2 (en) 2008-04-04 2012-01-17 Baker Hughes Incorporated Rotary drill bits and drilling tools having protective structures on longitudinally trailing surfaces
US8083012B2 (en) 2008-10-03 2011-12-27 Smith International, Inc. Diamond bonded construction with thermally stable region
US8771389B2 (en) * 2009-05-06 2014-07-08 Smith International, Inc. Methods of making and attaching TSP material for forming cutting elements, cutting elements having such TSP material and bits incorporating such cutting elements
US8881833B2 (en) 2009-09-30 2014-11-11 Baker Hughes Incorporated Remotely controlled apparatus for downhole applications and methods of operation
US9175520B2 (en) 2009-09-30 2015-11-03 Baker Hughes Incorporated Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods
EP2483507A2 (en) 2009-09-30 2012-08-08 Baker Hughes Incorporated Earth-boring tools having expandable cutting structures and methods of using such earth-boring tools
US8863843B2 (en) 2010-05-21 2014-10-21 Smith International, Inc. Hydraulic actuation of a downhole tool assembly
SA111320627B1 (en) 2010-07-21 2014-08-06 Baker Hughes Inc Wellbore Tool With Exchangable Blades
US8939236B2 (en) 2010-10-04 2015-01-27 Baker Hughes Incorporated Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools
CN103261560A (en) 2010-11-08 2013-08-21 贝克休斯公司 Tools for use in subterranean boreholes having expandable members and related methods
US8844635B2 (en) 2011-05-26 2014-09-30 Baker Hughes Incorporated Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods
US9267331B2 (en) 2011-12-15 2016-02-23 Baker Hughes Incorporated Expandable reamers and methods of using expandable reamers
US8960333B2 (en) 2011-12-15 2015-02-24 Baker Hughes Incorporated Selectively actuating expandable reamers and related methods
US9388638B2 (en) 2012-03-30 2016-07-12 Baker Hughes Incorporated Expandable reamers having sliding and rotating expandable blades, and related methods
US9493991B2 (en) 2012-04-02 2016-11-15 Baker Hughes Incorporated Cutting structures, tools for use in subterranean boreholes including cutting structures and related methods
US9068407B2 (en) 2012-05-03 2015-06-30 Baker Hughes Incorporated Drilling assemblies including expandable reamers and expandable stabilizers, and related methods
US9394746B2 (en) 2012-05-16 2016-07-19 Baker Hughes Incorporated Utilization of expandable reamer blades in rigid earth-boring tool bodies
US9290998B2 (en) 2013-02-25 2016-03-22 Baker Hughes Incorporated Actuation mechanisms for downhole assemblies and related downhole assemblies and methods
US9677344B2 (en) 2013-03-01 2017-06-13 Baker Hughes Incorporated Components of drilling assemblies, drilling assemblies, and methods of stabilizing drilling assemblies in wellbores in subterranean formations
US9341027B2 (en) 2013-03-04 2016-05-17 Baker Hughes Incorporated Expandable reamer assemblies, bottom-hole assemblies, and related methods
US9284816B2 (en) 2013-03-04 2016-03-15 Baker Hughes Incorporated Actuation assemblies, hydraulically actuated tools for use in subterranean boreholes including actuation assemblies and related methods
US10174560B2 (en) 2015-08-14 2019-01-08 Baker Hughes Incorporated Modular earth-boring tools, modules for such tools and related methods
CN110116221A (en) * 2018-02-06 2019-08-13 姜文辉 It is a kind of using low cobalt content cemented tungsten carbide as the composite polycrystal-diamond of matrix

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151686A (en) * 1978-01-09 1979-05-01 General Electric Company Silicon carbide and silicon bonded polycrystalline diamond body and method of making it
DE3111156C1 (en) * 1981-03-21 1983-04-14 Christensen, Inc., 84115 Salt Lake City, Utah Cutting element for rotary drill bits for deep drilling in earth formations
US4520881A (en) * 1982-09-24 1985-06-04 Cornelius Phaal Tool component
DE3566968D1 (en) * 1984-03-20 1989-02-02 Gen Electric Coated oxidation-resistant porous abrasive compact and method for making same
EP0156264B1 (en) * 1984-03-26 1990-09-05 Eastman Christensen Company Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks
AU3946885A (en) * 1984-03-26 1985-10-03 Norton Christensen Inc. Cutting element using polycrystalline diamond disks
EP0156235B1 (en) * 1984-03-26 1989-05-24 Eastman Christensen Company Multi-component cutting element using consolidated rod-like polycrystalline diamond

Also Published As

Publication number Publication date
GB2190412A (en) 1987-11-18
EP0246789A2 (en) 1987-11-25
GB8612012D0 (en) 1986-06-25
EP0246789A3 (en) 1988-12-14

Similar Documents

Publication Publication Date Title
GB8626919D0 (en) Rotary drill bits
GB8612012D0 (en) Rotary drill bits
GB2188354B (en) Rotary drill bit
GB8607701D0 (en) Rotary drill bit
GB8501702D0 (en) Rotary drill bits
GB8508621D0 (en) Rotary drill bits
GB8628168D0 (en) Rotary drill bits
GB8722376D0 (en) Rotary drill bits
EP0239328A3 (en) Drill bits
GB8528894D0 (en) Rotary drill bits
GB8524146D0 (en) Rotary drill bits
GB8611448D0 (en) Rotary drill bits
GB8711255D0 (en) Rotary drill bits
GB8405180D0 (en) Rotary drill bits
GB8510494D0 (en) Rotary drill bits
GB8517277D0 (en) Rotary drill bits
GB8528299D0 (en) Rotary drill bits
DE3567054D1 (en) Rotary drill bit
GB8505244D0 (en) Rotary drill bits
GB8516776D0 (en) Rotary drill bits
GB8611449D0 (en) Rotary drill bits
GB2185506B (en) Rotary drill bit
GB8623427D0 (en) Rotary drill bits
GB8508622D0 (en) Rotary drill bits
GB8629823D0 (en) Rotary drill bits

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)