DE502005000254D1 - Apparatus and method for hydraulic drilling - Google Patents

Apparatus and method for hydraulic drilling

Info

Publication number
DE502005000254D1
DE502005000254D1 DE502005000254T DE502005000254T DE502005000254D1 DE 502005000254 D1 DE502005000254 D1 DE 502005000254D1 DE 502005000254 T DE502005000254 T DE 502005000254T DE 502005000254 T DE502005000254 T DE 502005000254T DE 502005000254 D1 DE502005000254 D1 DE 502005000254D1
Authority
DE
Germany
Prior art keywords
tube
radius
fluid jet
bore
nozzle
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.)
Active
Application number
DE502005000254T
Other languages
German (de)
Inventor
Dominik Hartmann
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.)
Bauer Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau 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 Bauer Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Publication of DE502005000254D1 publication Critical patent/DE502005000254D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/29—Obtaining a slurry of minerals, e.g. by using nozzles
    • E21B43/292—Obtaining a slurry of minerals, e.g. by using nozzles using steerable or laterally extendable nozzles
    • 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
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)

Abstract

A tube (2) with a boring crown (3) at its lower end is rotated and lowered vertically to make a narrow vertical bore (31). A cutting arrangement (46) near the bottom of the tube has a fixed sideways-extending tube (6) with a fluid jet nozzle (7). This enlarges the bore radius (23) to slightly more than the radius swept out by the end of the tube. A long tube (8) with a fluid jet nozzle (10) may swing from a resting place (8a) inside the drilling tube to a deployed position where it sweeps out an enlarged radius (24). A powerful fluid jet from the nozzle cuts out the bore to an even larger radius (25), forming a cavity to accommodate the foot of a concrete pile.
DE502005000254T 2004-05-28 2005-05-09 Apparatus and method for hydraulic drilling Active DE502005000254D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004026234A DE102004026234B3 (en) 2004-05-28 2004-05-28 Hole drilling system forming enlarged chamber at bottom of hole in ground for concrete pile has tube with boring crown at bottom end and fixed and swinging side arms for enlarging bore

Publications (1)

Publication Number Publication Date
DE502005000254D1 true DE502005000254D1 (en) 2007-02-08

Family

ID=34936299

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004026234A Expired - Fee Related DE102004026234B3 (en) 2004-05-28 2004-05-28 Hole drilling system forming enlarged chamber at bottom of hole in ground for concrete pile has tube with boring crown at bottom end and fixed and swinging side arms for enlarging bore
DE502005000254T Active DE502005000254D1 (en) 2004-05-28 2005-05-09 Apparatus and method for hydraulic drilling

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102004026234A Expired - Fee Related DE102004026234B3 (en) 2004-05-28 2004-05-28 Hole drilling system forming enlarged chamber at bottom of hole in ground for concrete pile has tube with boring crown at bottom end and fixed and swinging side arms for enlarging bore

Country Status (3)

Country Link
EP (1) EP1600602B1 (en)
AT (1) ATE349599T1 (en)
DE (2) DE102004026234B3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008056261B4 (en) * 2008-11-06 2011-06-16 Bauer Spezialtiefbau Gmbh Ventilzentrierung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217360A (en) * 1938-05-18 1940-10-08 Shell Dev Hydraulic disruption of solids
DE2035934A1 (en) * 1970-07-20 1972-02-03 Dedegil, Yavuz, Dipl.-Ing.; Weber, Manfred, Dr.-Ing.; 7500 Karlsruhe Hydraulic-pneumatic process for removing or breaking down solids under water or other liquids
US5181578A (en) * 1991-11-08 1993-01-26 Lawler O Wayne Wellbore mineral jetting tool
US5363927A (en) * 1993-09-27 1994-11-15 Frank Robert C Apparatus and method for hydraulic drilling

Also Published As

Publication number Publication date
EP1600602B1 (en) 2006-12-27
ATE349599T1 (en) 2007-01-15
DE102004026234B3 (en) 2005-10-06
EP1600602A2 (en) 2005-11-30
EP1600602A3 (en) 2006-03-01

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Legal Events

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8364 No opposition during term of opposition