EP3511514A4 - Drilling tool - Google Patents

Drilling tool Download PDF

Info

Publication number: EP3511514A4
Authority: EP; European Patent Office
Prior art keywords: drilling tool; drilling; tool
Prior art date: 2016-09-12
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP17848900.1A

Other languages

German (de)

French (fr)

Other versions

EP3511514A1 (en

Inventor

Kazuyoshi Nakamura

Zene ONO

Yasutaka Tomita

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.)

Mitsubishi Materials Corp

Original Assignee

Mitsubishi Materials Corp

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.)

2016-09-12

Filing date

2017-09-11

Publication date

2020-04-15

2017-09-11 Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp

2019-07-17 Publication of EP3511514A1 publication Critical patent/EP3511514A1/en

2020-04-15 Publication of EP3511514A4 publication Critical patent/EP3511514A4/en

Status Withdrawn legal-status Critical Current

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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- 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
- E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
- 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
- E21B10/086—Roller bits with excentric movement
- 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
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action

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)

EP17848900.1A 2016-09-12 2017-09-11 Drilling tool Withdrawn EP3511514A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2016177490A JP2018044285A (en)	2016-09-12	2016-09-12	Excavation tool
PCT/JP2017/032645 WO2018047962A1 (en)	2016-09-12	2017-09-11	Drilling tool

Publications (2)

Publication Number	Publication Date
EP3511514A1 EP3511514A1 (en)	2019-07-17
EP3511514A4 true EP3511514A4 (en)	2020-04-15

Family

ID=61561942

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17848900.1A Withdrawn EP3511514A4 (en)	2016-09-12	2017-09-11	Drilling tool

Country Status (3)

Country	Link
EP (1)	EP3511514A4 (en)
JP (1)	JP2018044285A (en)
WO (1)	WO2018047962A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1758773A (en) *	1926-03-20	1930-05-13	Universal Engineering Company	Method of and bit for cutting alpha hole larger than the bit
US2124414A (en) *	1936-04-18	1938-07-19	Otto B Goldman	Well drilling bit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH10231677A (en) *	1997-02-18	1998-09-02	Mitsubishi Materials Corp	Excavation tool
JP3864645B2 (en) *	1999-11-22	2007-01-10	三菱マテリアル株式会社	Drilling tools

2016
- 2016-09-12 JP JP2016177490A patent/JP2018044285A/en active Pending
2017
- 2017-09-11 EP EP17848900.1A patent/EP3511514A4/en not_active Withdrawn
- 2017-09-11 WO PCT/JP2017/032645 patent/WO2018047962A1/en active Application Filing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1758773A (en) *	1926-03-20	1930-05-13	Universal Engineering Company	Method of and bit for cutting alpha hole larger than the bit
US2124414A (en) *	1936-04-18	1938-07-19	Otto B Goldman	Well drilling bit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018047962A1 *

Also Published As

Publication number	Publication date
EP3511514A1 (en)	2019-07-17
JP2018044285A (en)	2018-03-22
WO2018047962A1 (en)	2018-03-15

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EP3278911A4 (en)	2018-11-21	Drill
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EP3128117A4 (en)	2017-11-15	Drilling tool
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EP3362228A4 (en)	2019-09-25	Tool bit holder
EP3476510A4 (en)	2020-02-12	Drill
EP3639956A4 (en)	2021-03-17	Drill
EP3272445A4 (en)	2018-10-31	Drill
PL3359322T3 (en)	2020-09-21	Drilling tool
PL3414038T3 (en)	2023-06-19	Drilling tool
EP3235599A4 (en)	2018-08-29	Work tool
GB201601643D0 (en)	2016-03-16	Downhole tool
EP3542938A4 (en)	2020-06-03	Tool
EP3733334A4 (en)	2021-09-22	Drill
EP3132903A4 (en)	2017-11-15	Drill bit
EP3138661A4 (en)	2017-12-06	Work tool
GB2578034B (en)	2022-03-30	Boring tool
EP3097248A4 (en)	2017-09-20	Drill bit
EP3097410A4 (en)	2017-09-06	Downhole flow-profiling tool
EP3143253A4 (en)	2018-03-14	Downhole tool

Legal Events

Date	Code	Title	Description
2018-03-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2019-06-14	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
2019-06-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2019-07-17	17P	Request for examination filed	Effective date: 20190311
2019-07-17	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
2019-07-17	AX	Request for extension of the european patent	Extension state: BA ME
2019-07-31	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: MITSUBISHI MATERIALS CORPORATION
2019-12-18	DAV	Request for validation of the european patent (deleted)
2019-12-18	DAX	Request for extension of the european patent (deleted)
2020-04-15	A4	Supplementary search report drawn up and despatched	Effective date: 20200317
2020-04-15	RIC1	Information provided on ipc code assigned before grant	Ipc: E21B 10/64 20060101ALI20200311BHEP Ipc: E21B 10/08 20060101ALI20200311BHEP Ipc: E21B 6/00 20060101ALI20200311BHEP Ipc: E21B 10/32 20060101AFI20200311BHEP
2021-02-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2021-03-24	18D	Application deemed to be withdrawn	Effective date: 20201014