EP3129576A4 - Single-waterway drill bits and systems for using same - Google Patents

Single-waterway drill bits and systems for using same Download PDF

Info

Publication number
EP3129576A4
EP3129576A4 EP15776006.7A EP15776006A EP3129576A4 EP 3129576 A4 EP3129576 A4 EP 3129576A4 EP 15776006 A EP15776006 A EP 15776006A EP 3129576 A4 EP3129576 A4 EP 3129576A4
Authority
EP
European Patent Office
Prior art keywords
waterway
systems
same
drill 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Withdrawn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
EP15776006.7A
Other languages
German (de)
French (fr)
Other versions
EP3129576A1 (en
Inventor
Cody A. Pearce
Michael D. Rupp
Christian M. Lambert
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.)
Longyear TM Inc
Original Assignee
Longyear TM Inc
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
Priority claimed from US14/246,888 external-priority patent/US9500036B2/en
Application filed by Longyear TM Inc filed Critical Longyear TM Inc
Publication of EP3129576A1 publication Critical patent/EP3129576A1/en
Publication of EP3129576A4 publication Critical patent/EP3129576A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit
EP15776006.7A 2014-04-07 2015-04-06 Single-waterway drill bits and systems for using same Withdrawn EP3129576A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/246,888 US9500036B2 (en) 2006-12-14 2014-04-07 Single-waterway drill bits and systems for using same
PCT/US2015/024515 WO2015157173A1 (en) 2014-04-07 2015-04-06 Single-waterway drill bits and systems for using same

Publications (2)

Publication Number Publication Date
EP3129576A1 EP3129576A1 (en) 2017-02-15
EP3129576A4 true EP3129576A4 (en) 2018-03-07

Family

ID=54288293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15776006.7A Withdrawn EP3129576A4 (en) 2014-04-07 2015-04-06 Single-waterway drill bits and systems for using same

Country Status (7)

Country Link
EP (1) EP3129576A4 (en)
CN (1) CN106471206A (en)
AU (1) AU2015244141B2 (en)
CA (1) CA2944907A1 (en)
CL (1) CL2016002568A1 (en)
PE (1) PE20161426A1 (en)
WO (1) WO2015157173A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049576B (en) * 2020-10-20 2022-04-01 西南石油大学 Three-channel drill bit
CN114458161B (en) * 2022-04-14 2022-06-24 金石钻探(唐山)股份有限公司 Non-hard rock coring bit and processing technology thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197183A (en) * 1958-05-29 1959-11-27 J K Smit & Fils Ets Improvements to diamond drill heads
US20100089660A1 (en) * 2006-12-14 2010-04-15 Longyear Tm, Inc. Drill bits with axially-tapered waterways
US20130186693A1 (en) * 2010-09-21 2013-07-25 Flexidrill Limited Hybrid drill bit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493178A (en) * 1946-06-03 1950-01-03 Jr Edward B Williams Drill bit
US2931630A (en) * 1957-12-30 1960-04-05 Hycalog Inc Drill bit
EP0350526B1 (en) * 1988-07-14 1994-10-26 Asahi Diamond Industrial Co. Ltd. Non-core drill
CN2136323Y (en) * 1992-06-24 1993-06-16 胜利石油管理局钻井工艺研究院 Pdc sealed coring bit
EP1165929A1 (en) * 1999-03-03 2002-01-02 Earth Tool Company L.L.C. Method and apparatus for directional boring
SE528656C2 (en) * 2004-07-01 2007-01-16 Atlas Copco Rocktech Ab dRILL BIT
WO2008073307A2 (en) * 2006-12-11 2008-06-19 Baker Hughes Incorporated Impregnated bit with changeable hydraulic nozzles
US7628228B2 (en) * 2006-12-14 2009-12-08 Longyear Tm, Inc. Core drill bit with extended crown height
CN202767890U (en) * 2012-07-06 2013-03-06 中煤科工集团西安研究院 Pregnant insert type diamond drill for coring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197183A (en) * 1958-05-29 1959-11-27 J K Smit & Fils Ets Improvements to diamond drill heads
US20100089660A1 (en) * 2006-12-14 2010-04-15 Longyear Tm, Inc. Drill bits with axially-tapered waterways
US20130186693A1 (en) * 2010-09-21 2013-07-25 Flexidrill Limited Hybrid drill bit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015157173A1 *

Also Published As

Publication number Publication date
CL2016002568A1 (en) 2017-04-28
WO2015157173A1 (en) 2015-10-15
EP3129576A1 (en) 2017-02-15
PE20161426A1 (en) 2017-01-06
AU2015244141B2 (en) 2019-07-25
AU2015244141A1 (en) 2016-10-20
CN106471206A (en) 2017-03-01
CA2944907A1 (en) 2015-10-15

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

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Effective date: 20180206

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 10/02 20060101AFI20180131BHEP

Ipc: E21B 10/60 20060101ALI20180131BHEP

Ipc: E21B 10/48 20060101ALI20180131BHEP

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Effective date: 20180906