EP3052737A4 - Shear claw bit - Google Patents

Shear claw bit Download PDF

Info

Publication number
EP3052737A4
EP3052737A4 EP20140851198 EP14851198A EP3052737A4 EP 3052737 A4 EP3052737 A4 EP 3052737A4 EP 20140851198 EP20140851198 EP 20140851198 EP 14851198 A EP14851198 A EP 14851198A EP 3052737 A4 EP3052737 A4 EP 3052737A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
claw bit
shear claw
shear
bit
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Withdrawn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
EP20140851198
Other languages
German (de)
French (fr)
Other versions
EP3052737A1 (en )
Inventor
William W. King
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.)
Varel Int Ind L P
Varel International Ind LP
Original Assignee
Varel Int Ind L P
Varel International Ind LP
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

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements with blades having preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button type inserts
    • E21B10/567Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details
EP20140851198 2013-10-02 2014-10-02 Shear claw bit Withdrawn EP3052737A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US201361885772 true 2013-10-02 2013-10-02
PCT/US2014/058879 WO2015051158A1 (en) 2013-10-02 2014-10-02 Shear claw bit

Publications (2)

Publication Number Publication Date
EP3052737A1 true EP3052737A1 (en) 2016-08-10
EP3052737A4 true true EP3052737A4 (en) 2017-06-14

Family

ID=52738982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20140851198 Withdrawn EP3052737A4 (en) 2013-10-02 2014-10-02 Shear claw bit

Country Status (3)

Country Link
US (1) US20150090502A1 (en)
EP (1) EP3052737A4 (en)
WO (1) WO2015051158A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5906245A (en) * 1995-11-13 1999-05-25 Baker Hughes Incorporated Mechanically locked drill bit components
US20120267173A1 (en) * 2011-04-25 2012-10-25 Jones Mark L Drill bit for boring earth and other hard materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6843333B2 (en) * 1999-11-29 2005-01-18 Baker Hughes Incorporated Impregnated rotary drag bit
US7487849B2 (en) * 2005-05-16 2009-02-10 Radtke Robert P Thermally stable diamond brazing
US20090057030A1 (en) * 2007-09-05 2009-03-05 Sandvik Mining And Construction Mining claw bit
US9016407B2 (en) * 2007-12-07 2015-04-28 Smith International, Inc. Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied
US7971663B1 (en) * 2009-02-09 2011-07-05 Us Synthetic Corporation Polycrystalline diamond compact including thermally-stable polycrystalline diamond body held in barrier receptacle and applications therefor
US8985244B2 (en) * 2010-01-18 2015-03-24 Baker Hughes Incorporated Downhole tools having features for reducing balling and methods of forming such tools
WO2011146736A9 (en) * 2010-05-19 2012-11-01 Smith International, Inc. Rolling cutter bit design
US8899358B2 (en) * 2010-10-28 2014-12-02 Smith International, Inc. Interface design of TSP shear cutters

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5906245A (en) * 1995-11-13 1999-05-25 Baker Hughes Incorporated Mechanically locked drill bit components
US20120267173A1 (en) * 2011-04-25 2012-10-25 Jones Mark L Drill bit for boring earth and other hard materials

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015051158A1 *

Also Published As

Publication number Publication date Type
US20150090502A1 (en) 2015-04-02 application
WO2015051158A1 (en) 2015-04-09 application
EP3052737A1 (en) 2016-08-10 application

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Legal Events

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AX Request for extension of the european patent to

Extension state: BA ME

17P Request for examination filed

Effective date: 20160331

AK Designated contracting states:

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (to any country) deleted
A4 Despatch of supplementary search report

Effective date: 20170515

RIC1 Classification (correction)

Ipc: E21B 10/573 20060101ALI20170509BHEP

Ipc: E21B 10/43 20060101ALI20170509BHEP

Ipc: E21B 10/55 20060101ALI20170509BHEP

Ipc: E21B 10/46 20060101AFI20170509BHEP

18D Deemed to be withdrawn

Effective date: 20171212