ZA200801213B - Method and device for releasing a block on a bore-crown during a boring process - Google Patents

Method and device for releasing a block on a bore-crown during a boring process

Info

Publication number
ZA200801213B
ZA200801213B ZA200801213A ZA200801213A ZA200801213B ZA 200801213 B ZA200801213 B ZA 200801213B ZA 200801213 A ZA200801213 A ZA 200801213A ZA 200801213 A ZA200801213 A ZA 200801213A ZA 200801213 B ZA200801213 B ZA 200801213B
Authority
ZA
South Africa
Prior art keywords
bore
releasing
block
boring process
crown during
Prior art date
Application number
ZA200801213A
Other languages
English (en)
Inventor
Mocivnik Josef Fohnsdorf
Original Assignee
Alwag Tunnelausbau Gmbh
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 Alwag Tunnelausbau Gmbh filed Critical Alwag Tunnelausbau Gmbh
Publication of ZA200801213B publication Critical patent/ZA200801213B/xx

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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/03—Freeing by flushing
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/073—Telescoping joints for varying drill string lengths; Shock absorbers with axial rotation

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)
  • Marine Sciences & Fisheries (AREA)
  • Earth Drilling (AREA)
ZA200801213A 2005-08-19 2008-02-05 Method and device for releasing a block on a bore-crown during a boring process ZA200801213B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT13862005 2005-08-19

Publications (1)

Publication Number Publication Date
ZA200801213B true ZA200801213B (en) 2009-01-28

Family

ID=37199123

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200801213A ZA200801213B (en) 2005-08-19 2008-02-05 Method and device for releasing a block on a bore-crown during a boring process

Country Status (10)

Country Link
US (1) US20090133934A1 (xx)
EP (1) EP1915505B8 (xx)
JP (1) JP2009504950A (xx)
KR (1) KR20080038341A (xx)
AU (1) AU2006281954B2 (xx)
CA (1) CA2619175C (xx)
PL (1) PL1915505T3 (xx)
RU (1) RU2391480C2 (xx)
WO (1) WO2007019594A1 (xx)
ZA (1) ZA200801213B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011031528A2 (en) 2009-08-27 2011-03-17 Baker Hughes Incorporated Methods and apparatus for manipulating and driving casing
AT508991B1 (de) * 2009-11-06 2012-09-15 Dywidag Systems Int Gmbh Verfahren zum bohren, insbesondere schlag- oder drehschlagbohren von löchern in boden oder gesteinsmaterial sowie vorrichtung hiefür
EP2526252B1 (en) * 2010-01-22 2017-08-02 Randall E. Gosselin Wellbore obstruction-clearing tool and method of use
US8919452B2 (en) * 2010-11-08 2014-12-30 Baker Hughes Incorporated Casing spears and related systems and methods
DE102013020761B4 (de) * 2013-12-09 2018-01-04 Stahl- und Apparatebau Hans Leffer GmbH & Co. KG Verriegelungsvorrichtung und -verfahren für die Werkzeugaufnahme einer Drehbohranlage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1794196A (en) * 1928-01-13 1931-02-24 Gustavus A Montgomery Control mechanism for rotary drill pipes
US1785086A (en) * 1928-03-01 1930-12-16 Leroy G Gates Automatic feed device for rotary drill bits
US3405771A (en) * 1966-04-12 1968-10-15 Mr Dudley Hughes Deep well motor impact tool and drilling apparatus
US4270620A (en) * 1979-01-12 1981-06-02 Dailey Oil Tools, Inc. Constant bottom contact tool
GB8800572D0 (en) * 1988-01-12 1988-02-10 Red Baron Oil Tools Rental Improvements in/relating to drilling tool
US5119891A (en) 1988-10-31 1992-06-09 S & T No 13 Pty Ltd. Adaptor for drilling strings with controllable air passage
US6464023B2 (en) * 1999-01-27 2002-10-15 William N. Patterson Hydraulic in-the-hole percussion rock drill

Also Published As

Publication number Publication date
EP1915505B8 (de) 2015-05-06
RU2008110501A (ru) 2009-09-27
EP1915505A1 (de) 2008-04-30
US20090133934A1 (en) 2009-05-28
KR20080038341A (ko) 2008-05-06
CA2619175C (en) 2012-12-11
CA2619175A1 (en) 2007-02-22
JP2009504950A (ja) 2009-02-05
WO2007019594A1 (de) 2007-02-22
PL1915505T3 (pl) 2015-09-30
AU2006281954A1 (en) 2007-02-22
RU2391480C2 (ru) 2010-06-10
EP1915505B1 (de) 2015-03-11
AU2006281954B2 (en) 2011-08-04

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