EP2778338A3 - Bohrmeißelanordnung - Google Patents

Bohrmeißelanordnung Download PDF

Info

Publication number
EP2778338A3
EP2778338A3 EP14158835.0A EP14158835A EP2778338A3 EP 2778338 A3 EP2778338 A3 EP 2778338A3 EP 14158835 A EP14158835 A EP 14158835A EP 2778338 A3 EP2778338 A3 EP 2778338A3
Authority
EP
European Patent Office
Prior art keywords
drill bit
drill
hole
bit
bits
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Withdrawn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
EP14158835.0A
Other languages
English (en)
French (fr)
Other versions
EP2778338A2 (de
Inventor
Jan-Åke Löf
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.)
Lovab AB
Original Assignee
Lovab 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 Lovab AB filed Critical Lovab AB
Publication of EP2778338A2 publication Critical patent/EP2778338A2/de
Publication of EP2778338A3 publication Critical patent/EP2778338A3/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • 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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP14158835.0A 2013-03-11 2014-03-11 Bohrmeißelanordnung Withdrawn EP2778338A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1350289 2013-03-11

Publications (2)

Publication Number Publication Date
EP2778338A2 EP2778338A2 (de) 2014-09-17
EP2778338A3 true EP2778338A3 (de) 2016-07-20

Family

ID=50289379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14158835.0A Withdrawn EP2778338A3 (de) 2013-03-11 2014-03-11 Bohrmeißelanordnung

Country Status (1)

Country Link
EP (1) EP2778338A3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3047509A1 (en) * 2016-12-19 2018-06-28 Flexidrill Limited Hybrid drill bit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996018798A1 (en) * 1994-12-13 1996-06-20 Ilomaeki Valto A drilling method and bit assembly to realize the method
WO1997000371A1 (en) * 1995-06-15 1997-01-03 Ian Graeme Rear Down hole hammer assembly
US5839519A (en) * 1996-11-08 1998-11-24 Sandvik Ab Methods and apparatus for attaching a casing to a drill bit in overburden drilling equipment
US7143846B2 (en) * 2001-04-04 2006-12-05 Oy Atlas Copco Rotex Ab Method for drilling and drilling apparatus to enable reverse circulation
US20100126773A1 (en) * 2007-03-05 2010-05-27 Robert Charles Southard Drilling apparatus and system for drilling wells
WO2010071563A1 (en) * 2008-12-18 2010-06-24 Sandvik Intellectual Property Ab Drilling tool for percussive rock drilling as well as an expendable kit, a ring drill bit and a casing shoe therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996018798A1 (en) * 1994-12-13 1996-06-20 Ilomaeki Valto A drilling method and bit assembly to realize the method
WO1997000371A1 (en) * 1995-06-15 1997-01-03 Ian Graeme Rear Down hole hammer assembly
US5839519A (en) * 1996-11-08 1998-11-24 Sandvik Ab Methods and apparatus for attaching a casing to a drill bit in overburden drilling equipment
US7143846B2 (en) * 2001-04-04 2006-12-05 Oy Atlas Copco Rotex Ab Method for drilling and drilling apparatus to enable reverse circulation
US20100126773A1 (en) * 2007-03-05 2010-05-27 Robert Charles Southard Drilling apparatus and system for drilling wells
WO2010071563A1 (en) * 2008-12-18 2010-06-24 Sandvik Intellectual Property Ab Drilling tool for percussive rock drilling as well as an expendable kit, a ring drill bit and a casing shoe therefor

Also Published As

Publication number Publication date
EP2778338A2 (de) 2014-09-17

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