EP0933497A3 - Outil de forage - Google Patents

Outil de forage Download PDF

Info

Publication number
EP0933497A3
EP0933497A3 EP99100208A EP99100208A EP0933497A3 EP 0933497 A3 EP0933497 A3 EP 0933497A3 EP 99100208 A EP99100208 A EP 99100208A EP 99100208 A EP99100208 A EP 99100208A EP 0933497 A3 EP0933497 A3 EP 0933497A3
Authority
EP
European Patent Office
Prior art keywords
axis
drilling
central region
region
spiral
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.)
Granted
Application number
EP99100208A
Other languages
German (de)
English (en)
Other versions
EP0933497A2 (fr
EP0933497B1 (fr
Inventor
Reinhard Reich
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 Maschinen 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 EP0933497A2 publication Critical patent/EP0933497A2/fr
Publication of EP0933497A3 publication Critical patent/EP0933497A3/fr
Application granted granted Critical
Publication of EP0933497B1 publication Critical patent/EP0933497B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/44—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
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Saccharide Compounds (AREA)
  • Steroid Compounds (AREA)
  • Drilling Tools (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Drilling And Boring (AREA)
  • Surgical Instruments (AREA)
EP99100208A 1998-02-02 1999-01-07 Outil de forage Expired - Lifetime EP0933497B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29801700U 1998-02-02
DE29801700U DE29801700U1 (de) 1998-02-02 1998-02-02 Bohrwerkzeug

Publications (3)

Publication Number Publication Date
EP0933497A2 EP0933497A2 (fr) 1999-08-04
EP0933497A3 true EP0933497A3 (fr) 2000-07-12
EP0933497B1 EP0933497B1 (fr) 2003-08-20

Family

ID=8052069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100208A Expired - Lifetime EP0933497B1 (fr) 1998-02-02 1999-01-07 Outil de forage

Country Status (4)

Country Link
EP (1) EP0933497B1 (fr)
AT (1) ATE247765T1 (fr)
DE (2) DE29801700U1 (fr)
ES (1) ES2205605T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014111500A1 (de) 2014-08-12 2016-02-18 Bauer Maschinen Gmbh Kernbohrwerkzeug und Verfahren zum Gesteinsbohren

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1512841A (en) * 1921-11-29 1924-10-21 William F Greiner Coal drill
US3095051A (en) * 1961-11-24 1963-06-25 Raymond Concrete Pile Co Earth boring auger and sampler
DE3422541A1 (de) * 1984-06-18 1985-12-19 Westfälische Berggewerkschaftskasse, 4630 Bochum Verfahren und vorrichtung zur gewinnung von oertlich und zeitlich bestimmbaren proben einer geologischen formation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1512841A (en) * 1921-11-29 1924-10-21 William F Greiner Coal drill
US3095051A (en) * 1961-11-24 1963-06-25 Raymond Concrete Pile Co Earth boring auger and sampler
DE3422541A1 (de) * 1984-06-18 1985-12-19 Westfälische Berggewerkschaftskasse, 4630 Bochum Verfahren und vorrichtung zur gewinnung von oertlich und zeitlich bestimmbaren proben einer geologischen formation

Also Published As

Publication number Publication date
DE29801700U1 (de) 1998-03-26
ATE247765T1 (de) 2003-09-15
EP0933497A2 (fr) 1999-08-04
ES2205605T3 (es) 2004-05-01
EP0933497B1 (fr) 2003-08-20
DE59906619D1 (de) 2003-09-25

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