GB9809324D0 - Device for widening an earth borehole - Google Patents

Device for widening an earth borehole

Info

Publication number
GB9809324D0
GB9809324D0 GBGB9809324.8A GB9809324A GB9809324D0 GB 9809324 D0 GB9809324 D0 GB 9809324D0 GB 9809324 A GB9809324 A GB 9809324A GB 9809324 D0 GB9809324 D0 GB 9809324D0
Authority
GB
United Kingdom
Prior art keywords
widening
earth borehole
borehole
earth
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Withdrawn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
GBGB9809324.8A
Other versions
GB2324820A (en
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.)
Tracto Technik GmbH and Co KG
Original Assignee
Tracto Technik GmbH and Co KG
Tracto Technik Paul Schmidt Spezialmaschinen KG
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 Tracto Technik GmbH and Co KG, Tracto Technik Paul Schmidt Spezialmaschinen KG filed Critical Tracto Technik GmbH and Co KG
Publication of GB9809324D0 publication Critical patent/GB9809324D0/en
Publication of GB2324820A publication Critical patent/GB2324820A/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Withdrawn legal-status Critical Current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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

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)
GB9809324A 1997-05-02 1998-04-30 Device for widening an earth borehole Withdrawn GB2324820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997118527 DE19718527C2 (en) 1997-05-02 1997-05-02 Device for expanding an earth borehole

Publications (2)

Publication Number Publication Date
GB9809324D0 true GB9809324D0 (en) 1998-07-01
GB2324820A GB2324820A (en) 1998-11-04

Family

ID=7828391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9809324A Withdrawn GB2324820A (en) 1997-05-02 1998-04-30 Device for widening an earth borehole

Country Status (3)

Country Link
CA (1) CA2236490A1 (en)
DE (1) DE19718527C2 (en)
GB (1) GB2324820A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3141101A (en) * 2000-02-11 2001-08-20 Alois Pichler Method for inserting pipes into a bore hole and insertion drill head for carrying out said method
DE10144973B4 (en) * 2001-09-12 2004-02-05 Tracto-Technik Gmbh Wing remover, method of drilling with a wing remover and its use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920878A (en) * 1958-05-07 1960-01-12 Charles W Kandle Tunneling machine clean-up apparatus
DE1919092U (en) * 1965-05-11 1965-07-01 Maschb Hafenhuette Peter Lanci DEVICE FOR DRILLING ABOUT HORIZONTAL HOLES IN THE SOIL.
US4925344A (en) * 1989-01-03 1990-05-15 Peres Steve U Method and apparatus for replacing buried pipe
DE4134095C1 (en) * 1991-10-15 1992-07-16 Flowtex Technologie Import Von Kabelverlegemaschinen Gmbh, 7505 Ettlingen, De

Also Published As

Publication number Publication date
GB2324820A (en) 1998-11-04
DE19718527A1 (en) 1998-11-05
CA2236490A1 (en) 1998-11-02
DE19718527C2 (en) 2002-10-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)