EP3433463A4 - Down-the-hole drilling device - Google Patents

Down-the-hole drilling device Download PDF

Info

Publication number
EP3433463A4
EP3433463A4 EP17769509.5A EP17769509A EP3433463A4 EP 3433463 A4 EP3433463 A4 EP 3433463A4 EP 17769509 A EP17769509 A EP 17769509A EP 3433463 A4 EP3433463 A4 EP 3433463A4
Authority
EP
European Patent Office
Prior art keywords
drilling device
hole drilling
hole
drilling
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
EP17769509.5A
Other languages
German (de)
French (fr)
Other versions
EP3433463A1 (en
EP3433463B1 (en
Inventor
Kai Gylling
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.)
Tercope Finland Oy
Original Assignee
Epiroc Drilling Tools Oy AB
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 Epiroc Drilling Tools Oy AB filed Critical Epiroc Drilling Tools Oy AB
Publication of EP3433463A1 publication Critical patent/EP3433463A1/en
Publication of EP3433463A4 publication Critical patent/EP3433463A4/en
Application granted granted Critical
Publication of EP3433463B1 publication Critical patent/EP3433463B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B10/64—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 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
EP17769509.5A 2016-03-22 2017-02-14 Down-the-hole drilling device Active EP3433463B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20165233 2016-03-22
PCT/FI2017/050083 WO2017162909A1 (en) 2016-03-22 2017-02-14 Down-the-hole drilling device

Publications (3)

Publication Number Publication Date
EP3433463A1 EP3433463A1 (en) 2019-01-30
EP3433463A4 true EP3433463A4 (en) 2019-11-06
EP3433463B1 EP3433463B1 (en) 2020-07-01

Family

ID=59901119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17769509.5A Active EP3433463B1 (en) 2016-03-22 2017-02-14 Down-the-hole drilling device

Country Status (2)

Country Link
EP (1) EP3433463B1 (en)
WO (1) WO2017162909A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538691A (en) * 1984-01-30 1985-09-03 Strata Bit Corporation Rotary drill bit
WO1996011323A1 (en) * 1994-10-05 1996-04-18 Ilomaeki Valto A drilling apparatus and method to drill a hole in different kinds of soil
WO2015059341A1 (en) * 2013-10-22 2015-04-30 Tri-Mach Oy Drilling device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1217475A (en) * 1982-09-16 1987-02-03 John D. Barr Rotary drill bits
GB8418482D0 (en) * 1984-07-19 1984-08-22 Nl Petroleum Prod Rotary drill bits
FI95618C (en) 1992-12-03 1998-09-03 Jorma Jaervelae Downhole
WO2013136113A1 (en) * 2012-03-12 2013-09-19 Flexidrill Limited Hybrid drill bit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538691A (en) * 1984-01-30 1985-09-03 Strata Bit Corporation Rotary drill bit
WO1996011323A1 (en) * 1994-10-05 1996-04-18 Ilomaeki Valto A drilling apparatus and method to drill a hole in different kinds of soil
WO2015059341A1 (en) * 2013-10-22 2015-04-30 Tri-Mach Oy Drilling device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017162909A1 *

Also Published As

Publication number Publication date
WO2017162909A1 (en) 2017-09-28
EP3433463A1 (en) 2019-01-30
EP3433463B1 (en) 2020-07-01

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