ZA200500688B - Device for advancing drillings in the group - Google Patents

Device for advancing drillings in the group

Info

Publication number
ZA200500688B
ZA200500688B ZA200500688A ZA200500688A ZA200500688B ZA 200500688 B ZA200500688 B ZA 200500688B ZA 200500688 A ZA200500688 A ZA 200500688A ZA 200500688 A ZA200500688 A ZA 200500688A ZA 200500688 B ZA200500688 B ZA 200500688B
Authority
ZA
South Africa
Prior art keywords
drillings
advancing
group
advancing drillings
Prior art date
Application number
ZA200500688A
Inventor
Michael Mohrmann
Original Assignee
Wirth Maschinen Und Bohgerate
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 Wirth Maschinen Und Bohgerate filed Critical Wirth Maschinen Und Bohgerate
Publication of ZA200500688B publication Critical patent/ZA200500688B/en

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
    • E21B10/08—Roller bits
    • E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
    • 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
    • E21B10/08—Roller bits
    • E21B10/086—Roller bits with excentric movement
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/006—Mechanical motion converting means, e.g. reduction gearings
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • E21D9/112—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads
    • E21D9/113—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads having a central part for making a pilot tunnel and a follow-up part for enlarging the pilot tunnel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
ZA200500688A 2002-07-26 2005-01-24 Device for advancing drillings in the group ZA200500688B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002134336 DE10234336A1 (en) 2002-07-26 2002-07-26 Tunnelling machine has cutting head consisting of a number of tools which are assembled to and detachable from a bearing block

Publications (1)

Publication Number Publication Date
ZA200500688B true ZA200500688B (en) 2006-08-30

Family

ID=30128451

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200500688A ZA200500688B (en) 2002-07-26 2005-01-24 Device for advancing drillings in the group

Country Status (2)

Country Link
DE (1) DE10234336A1 (en)
ZA (1) ZA200500688B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605911B (en) * 2021-08-30 2024-02-02 中国铁建重工集团股份有限公司 Cutter head assembly, tunneling equipment and tunneling construction method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD254229A1 (en) * 1986-12-03 1988-02-17 Werkzeugind Forschzent MULTI-PIECE DRILL HEAD, ESPECIALLY GESTEINS BORE HEAD
DE4332113A1 (en) * 1993-09-22 1995-03-23 Nlw Foerdertechnik Gmbh Boring implement for making bores in earth with different soil classes

Also Published As

Publication number Publication date
DE10234336A1 (en) 2004-02-12

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