ATE275235T1 - Bohrspitze - Google Patents

Bohrspitze

Info

Publication number
ATE275235T1
ATE275235T1 AT99103252T AT99103252T ATE275235T1 AT E275235 T1 ATE275235 T1 AT E275235T1 AT 99103252 T AT99103252 T AT 99103252T AT 99103252 T AT99103252 T AT 99103252T AT E275235 T1 ATE275235 T1 AT E275235T1
Authority
AT
Austria
Prior art keywords
area
hole wall
bore hole
flushing medium
outlet
Prior art date
Application number
AT99103252T
Other languages
English (en)
Inventor
Thomas Dipl Ing Marks
Original Assignee
Marks Thomas
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 Marks Thomas filed Critical Marks Thomas
Application granted granted Critical
Publication of ATE275235T1 publication Critical patent/ATE275235T1/de

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
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
AT99103252T 1998-09-30 1999-02-19 Bohrspitze ATE275235T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19844820A DE19844820A1 (de) 1998-09-30 1998-09-30 Bohrspitze für ein Bohrrohr

Publications (1)

Publication Number Publication Date
ATE275235T1 true ATE275235T1 (de) 2004-09-15

Family

ID=7882778

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99103252T ATE275235T1 (de) 1998-09-30 1999-02-19 Bohrspitze

Country Status (3)

Country Link
EP (1) EP0990766B1 (de)
AT (1) ATE275235T1 (de)
DE (2) DE19844820A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114032896B (zh) * 2021-11-16 2022-12-06 利越集团有限公司 一种配合镐头机打桩的施工装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1786415A (en) * 1929-11-09 1930-12-23 Kennedye Corp Well-drilling tool
US3605924A (en) * 1969-08-26 1971-09-20 Thompson Products Ltd Drill bit
GB1466700A (en) * 1974-03-21 1977-03-09 Padley & Venables Ltd Drill bits
AT381769B (de) * 1984-12-18 1986-11-25 Ver Edelstahlwerke Ag Bohrkrone
DE8716923U1 (de) * 1987-12-23 1988-02-11 Bauer Spezialtiefbau GmbH, 8898 Schrobenhausen Erdbohrer mit einem Injektionsrohr
US5799740A (en) * 1988-06-27 1998-09-01 The Charles Machine Works, Inc. Directional boring head with blade assembly

Also Published As

Publication number Publication date
DE59910381D1 (de) 2004-10-07
DE19844820A1 (de) 2000-04-13
EP0990766A3 (de) 2000-10-04
EP0990766A2 (de) 2000-04-05
EP0990766B1 (de) 2004-09-01

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee