AU2910899A - Device for drilling bore holes - Google Patents

Device for drilling bore holes

Info

Publication number
AU2910899A
AU2910899A AU29108/99A AU2910899A AU2910899A AU 2910899 A AU2910899 A AU 2910899A AU 29108/99 A AU29108/99 A AU 29108/99A AU 2910899 A AU2910899 A AU 2910899A AU 2910899 A AU2910899 A AU 2910899A
Authority
AU
Australia
Prior art keywords
bore holes
drilling bore
drilling
holes
bore
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.)
Abandoned
Application number
AU29108/99A
Inventor
Karl Bohm
Josef Mocivnik
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.)
Alwag Tunnelausbau GmbH
Techmo Entwicklungs und Vertriebs GmbH
Original Assignee
Alwag Tunnelausbau GmbH
Techmo Entwicklungs und Vertriebs 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, Techmo Entwicklungs und Vertriebs GmbH filed Critical Alwag Tunnelausbau GmbH
Publication of AU2910899A publication Critical patent/AU2910899A/en
Abandoned 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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)
  • 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)
AU29108/99A 1999-03-18 1999-03-18 Device for drilling bore holes Abandoned AU2910899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT1999/000070 WO2000057019A1 (en) 1999-03-18 1999-03-18 Device for drilling bore holes

Publications (1)

Publication Number Publication Date
AU2910899A true AU2910899A (en) 2000-10-09

Family

ID=3683857

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29108/99A Abandoned AU2910899A (en) 1999-03-18 1999-03-18 Device for drilling bore holes

Country Status (2)

Country Link
AU (1) AU2910899A (en)
WO (1) WO2000057019A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411383B (en) * 2001-11-30 2003-12-29 Techmo Entw & Vertriebs Gmbh METHOD AND DEVICE FOR DRILLING HOLES
EP1466070A1 (en) * 2002-01-17 2004-10-13 Presssol Ltd. Two string drilling system
CA2473372C (en) 2002-01-22 2012-11-20 Presssol Ltd. Two string drilling system using coil tubing
AU2003260217A1 (en) 2002-07-19 2004-02-09 Presssol Ltd. Reverse circulation clean out system for low pressure gas wells
WO2004018827A1 (en) * 2002-08-21 2004-03-04 Presssol Ltd. Reverse circulation directional and horizontal drilling using concentric drill string
AT500691B1 (en) 2003-10-08 2008-07-15 Alwag Tunnelausbau Gmbh METHOD AND DEVICE FOR DRILLING HOLES IN SOIL OR ROCK MATERIAL
US7343983B2 (en) 2004-02-11 2008-03-18 Presssol Ltd. Method and apparatus for isolating and testing zones during reverse circulation drilling
CA2496956C (en) 2004-02-12 2009-03-10 Presssol Ltd. Reverse circulation drilling blowout preventor
MX2019009794A (en) 2018-08-17 2020-02-18 Ancor Loc Nz Ltd Well or bore clearing tool.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979984A (en) * 1962-09-19 1965-01-06 John A Court Bergne Improved means for mineral sampling of gravels and other submerged or water bearing strata
DE2924393C2 (en) * 1979-06-16 1983-06-23 Brückner Grundbau GmbH, 4300 Essen Drilling device for overlay drilling
BE1004505A3 (en) * 1990-07-10 1992-12-01 Smet Marc Jozef Maria Device for making a hole in the ground.
FI95618C (en) * 1992-12-03 1998-09-03 Jorma Jaervelae Downhole
AU4387597A (en) * 1996-09-25 1998-04-17 Valto Ilomaki Bit assembly

Also Published As

Publication number Publication date
WO2000057019A1 (en) 2000-09-28

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase