EP1052367A3 - Preform cutting elements for rotary drill bits - Google Patents

Preform cutting elements for rotary drill bits Download PDF

Info

Publication number
EP1052367A3
EP1052367A3 EP00303645A EP00303645A EP1052367A3 EP 1052367 A3 EP1052367 A3 EP 1052367A3 EP 00303645 A EP00303645 A EP 00303645A EP 00303645 A EP00303645 A EP 00303645A EP 1052367 A3 EP1052367 A3 EP 1052367A3
Authority
EP
European Patent Office
Prior art keywords
cutting elements
drill bits
rotary drill
preform cutting
substrate
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.)
Granted
Application number
EP00303645A
Other languages
German (de)
French (fr)
Other versions
EP1052367B1 (en
EP1052367A2 (en
Inventor
Nigel Dennis Griffin
Dean Travers Watson
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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK 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 Camco International UK Ltd filed Critical Camco International UK Ltd
Publication of EP1052367A2 publication Critical patent/EP1052367A2/en
Publication of EP1052367A3 publication Critical patent/EP1052367A3/en
Application granted granted Critical
Publication of EP1052367B1 publication Critical patent/EP1052367B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A preform cutting element, for a rotary drag-type drill bit, includes a facing table 10 of superhard material having a front face and a rear surface bonded to the front surface of a substrate 12 which is less hard than the superhard material, the cutting element having a peripheral surface which includes at least one cutting apex 18 defined between two adjacent regions of the peripheral surface which are disposed at an angle to one another, and the rear surface of the facing table 10 being formed with at least one protuberance 20 which projects into a correspondingly shaped recess in the substrate 12.
EP00303645A 1999-05-14 2000-04-28 Preform cutting elements for rotary drill bits Expired - Lifetime EP1052367B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9911139 1999-05-14
GBGB9911139.5A GB9911139D0 (en) 1999-05-14 1999-05-14 Preform cutting elemenys for rotary drill bits

Publications (3)

Publication Number Publication Date
EP1052367A2 EP1052367A2 (en) 2000-11-15
EP1052367A3 true EP1052367A3 (en) 2000-12-27
EP1052367B1 EP1052367B1 (en) 2005-04-06

Family

ID=10853403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00303645A Expired - Lifetime EP1052367B1 (en) 1999-05-14 2000-04-28 Preform cutting elements for rotary drill bits

Country Status (3)

Country Link
EP (1) EP1052367B1 (en)
DE (1) DE60019189T2 (en)
GB (2) GB9911139D0 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005079530A2 (en) * 2004-02-18 2005-09-01 Hoana Medical, Inc. Method and system for integrating a passive sensor array with a mattress for patient monitoring
US8887839B2 (en) 2009-06-25 2014-11-18 Baker Hughes Incorporated Drill bit for use in drilling subterranean formations
US8757299B2 (en) 2009-07-08 2014-06-24 Baker Hughes Incorporated Cutting element and method of forming thereof
EP2452037A2 (en) 2009-07-08 2012-05-16 Baker Hughes Incorporated Cutting element for a drill bit used in drilling subterranean formations
EP2479003A3 (en) 2009-07-27 2013-10-02 Baker Hughes Incorporated Abrasive article
MX2012012764A (en) 2010-05-03 2013-04-19 Baker Hughes Inc Cutting elements, earth-boring tools, and methods of forming such cutting elements and tools.
WO2013130819A1 (en) * 2012-03-02 2013-09-06 Drilformance Technologies, Llc A drill bit and cutters for a drill bit
CN105927159B (en) * 2016-06-08 2017-11-07 莱州市原野科技有限公司 Pdc drill bit
USD924949S1 (en) 2019-01-11 2021-07-13 Us Synthetic Corporation Cutting tool
USD1026979S1 (en) 2020-12-03 2024-05-14 Us Synthetic Corporation Cutting tool
US20230203892A1 (en) * 2021-12-29 2023-06-29 Baker Hughes Oilfield Operations Llc Cutting elements and geometries, earth-boring tools, and related methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687797A1 (en) * 1994-06-18 1995-12-20 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
EP0688937A1 (en) * 1994-06-24 1995-12-27 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
EP0841463A2 (en) * 1996-10-11 1998-05-13 Camco Drilling Group Limited Preform cutting element for rotary drill bits
GB2323110A (en) * 1997-02-03 1998-09-16 Baker Hughes Inc Superabrasive cutters with structure aligned to a loading
GB2329405A (en) * 1997-09-23 1999-03-24 Baker Hughes Inc Cutting elements providing constant superabrasive contact area

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8432587D0 (en) * 1984-12-22 1985-02-06 Nl Petroleum Prod Cutting elements for rotary drill bits
US5706906A (en) * 1996-02-15 1998-01-13 Baker Hughes Incorporated Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
GB2353056B (en) * 1996-10-11 2001-03-28 Camco Drilling Group Ltd Improvements in or relating to preform cutting elements for rotary drill bits
GB9809690D0 (en) * 1998-05-08 1998-07-01 Camco Int Uk Ltd Improvements in elements faced with superhard material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687797A1 (en) * 1994-06-18 1995-12-20 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
EP0688937A1 (en) * 1994-06-24 1995-12-27 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
EP0841463A2 (en) * 1996-10-11 1998-05-13 Camco Drilling Group Limited Preform cutting element for rotary drill bits
GB2323110A (en) * 1997-02-03 1998-09-16 Baker Hughes Inc Superabrasive cutters with structure aligned to a loading
GB2329405A (en) * 1997-09-23 1999-03-24 Baker Hughes Inc Cutting elements providing constant superabrasive contact area

Also Published As

Publication number Publication date
GB9911139D0 (en) 1999-07-14
EP1052367B1 (en) 2005-04-06
EP1052367A2 (en) 2000-11-15
GB0010226D0 (en) 2000-06-14
DE60019189D1 (en) 2005-05-12
GB2350381B (en) 2003-06-11
GB2350381A (en) 2000-11-29
DE60019189T2 (en) 2006-03-09

Similar Documents

Publication Publication Date Title
EP0733777A3 (en) Cutting insert for rotary drag drill bit
EP1188898A3 (en) Improvements in or relating to preform cutting elements for rotary drill bits
EP0989282A3 (en) Improvements in preform cutting elements for rotary drag-type drill bits
CA2289411A1 (en) Superhard material enhanced inserts for earth-boring bits
EP0835981A3 (en) Cutting structure for rotary drill bits
US6435058B1 (en) Rotary drill bit design method
EP0658682B1 (en) Gage cutting insert for roller bit
US5332051A (en) Optimized PDC cutting shape
EP1190791A3 (en) Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strength
SE9803997D0 (en) A drill bit and a button
EP0687799A1 (en) Improvements in or relating to elements faced with superhard material
EP1052367A3 (en) Preform cutting elements for rotary drill bits
CA2289410A1 (en) Superhard material enhanced inserts for earth-boring bits
WO2006050167B1 (en) Polycrystalline cutter with multiple cutting edges
EP1174584A3 (en) Asymmetric diamond impregnated drill bit
EP1340737A3 (en) Semiconductive polycrystalline diamond
CA2310009A1 (en) Improvements in or relating to downhole tools
CA2151899A1 (en) Tool component
EP0962621A3 (en) Preform cutting elements for rotary drill bits
ZA200104439B (en) Rotatable cutting bit assembly with cutting inserts.
US20080282619A1 (en) Cutting element
ZA200104725B (en) Cutting elements for rotary drill bits.
ITTO980752A1 (en) BRIDGE FOR ROTARY DRILLING MACHINES USING AN EXCELLENT POSITIONING OF THE KNIVES BASED ON A BEVEL GEOMETRY.
WO2007148060A8 (en) Pcd cutters with enhanced working surfaces adjacent a cavity
CA2180312A1 (en) Tool component

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE FR IE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20010521

AKX Designation fees paid

Free format text: BE DE FR IE

17Q First examination report despatched

Effective date: 20040317

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR IE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20050506

Year of fee payment: 6

REF Corresponds to:

Ref document number: 60019189

Country of ref document: DE

Date of ref document: 20050512

Kind code of ref document: P

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20050610

Year of fee payment: 6

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ET Fr: translation filed
26N No opposition filed

Effective date: 20060110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061101

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IE

Payment date: 20070412

Year of fee payment: 8

BERE Be: lapsed

Owner name: *CAMCO INTERNATIONAL (UK) LTD

Effective date: 20060430

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20070411

Year of fee payment: 8

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20081231

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080430

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080428