EP2300682A4 - Method and drilling apparatus for drilling - Google Patents

Method and drilling apparatus for drilling

Info

Publication number
EP2300682A4
EP2300682A4 EP09769412.9A EP09769412A EP2300682A4 EP 2300682 A4 EP2300682 A4 EP 2300682A4 EP 09769412 A EP09769412 A EP 09769412A EP 2300682 A4 EP2300682 A4 EP 2300682A4
Authority
EP
European Patent Office
Prior art keywords
drilling
drilling apparatus
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Withdrawn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
EP09769412.9A
Other languages
German (de)
French (fr)
Other versions
EP2300682A1 (en
Inventor
Antti Virjula
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
Atlas Copco Rotex 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 Atlas Copco Rotex Oy AB filed Critical Atlas Copco Rotex Oy AB
Publication of EP2300682A1 publication Critical patent/EP2300682A1/en
Publication of EP2300682A4 publication Critical patent/EP2300682A4/en
Withdrawn legal-status Critical Current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
    • E21B10/64—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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/208—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
EP09769412.9A 2008-06-26 2009-06-10 Method and drilling apparatus for drilling Withdrawn EP2300682A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20085643A FI20085643A0 (en) 2008-06-26 2008-06-26 Method and drilling apparatus for drilling
PCT/FI2009/050490 WO2009156569A1 (en) 2008-06-26 2009-06-10 Method and drilling apparatus for drilling

Publications (2)

Publication Number Publication Date
EP2300682A1 EP2300682A1 (en) 2011-03-30
EP2300682A4 true EP2300682A4 (en) 2015-12-09

Family

ID=39589404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09769412.9A Withdrawn EP2300682A4 (en) 2008-06-26 2009-06-10 Method and drilling apparatus for drilling

Country Status (3)

Country Link
EP (1) EP2300682A4 (en)
FI (1) FI20085643A0 (en)
WO (1) WO2009156569A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5849671B2 (en) * 2011-12-09 2016-02-03 三菱マテリアル株式会社 Drilling tools

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028121A1 (en) * 1979-10-25 1981-05-06 Frederick Fletcher Improvements relating to downhole shearers
WO2000026498A1 (en) * 1998-10-29 2000-05-11 Dht Technologies Limited Retractable drill bit system
JP2006299591A (en) * 2005-04-19 2006-11-02 Mitsubishi Materials Natural Resources Development Corp Casing excavation and construction equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95618C (en) * 1992-12-03 1998-09-03 Jorma Jaervelae drilling device
US5472057A (en) * 1994-04-11 1995-12-05 Atlantic Richfield Company Drilling with casing and retrievable bit-motor assembly
AUPN357995A0 (en) * 1995-06-15 1995-07-06 Rear, Ian Graeme Down hole hammer assembly
FI115661B (en) * 2002-12-23 2005-06-15 Robit Rocktools Ltd A bit assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028121A1 (en) * 1979-10-25 1981-05-06 Frederick Fletcher Improvements relating to downhole shearers
WO2000026498A1 (en) * 1998-10-29 2000-05-11 Dht Technologies Limited Retractable drill bit system
JP2006299591A (en) * 2005-04-19 2006-11-02 Mitsubishi Materials Natural Resources Development Corp Casing excavation and construction equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009156569A1 *

Also Published As

Publication number Publication date
WO2009156569A1 (en) 2009-12-30
EP2300682A1 (en) 2011-03-30
FI20085643A0 (en) 2008-06-26

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Legal Events

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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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Ipc: E21B 10/64 20060101AFI20151102BHEP

Ipc: E21B 7/20 20060101ALI20151102BHEP

Ipc: E21B 10/40 20060101ALI20151102BHEP

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