AT369131B - Bohrmeissel fuer tieflochhaemmer - Google Patents

Bohrmeissel fuer tieflochhaemmer

Info

Publication number
AT369131B
AT369131B AT0188876A AT188876A AT369131B AT 369131 B AT369131 B AT 369131B AT 0188876 A AT0188876 A AT 0188876A AT 188876 A AT188876 A AT 188876A AT 369131 B AT369131 B AT 369131B
Authority
AT
Austria
Prior art keywords
deep hole
drill cutters
cutters
drill
deep
Prior art date
Application number
AT0188876A
Other languages
English (en)
Other versions
ATA188876A (de
Inventor
Hans-Philipp Walter
Original Assignee
Walter Gmbh Co H P
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
Priority claimed from DE19752512785 external-priority patent/DE2512785C3/de
Application filed by Walter Gmbh Co H P filed Critical Walter Gmbh Co H P
Publication of ATA188876A publication Critical patent/ATA188876A/de
Application granted granted Critical
Publication of AT369131B publication Critical patent/AT369131B/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
AT0188876A 1975-03-22 1976-03-15 Bohrmeissel fuer tieflochhaemmer AT369131B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752512785 DE2512785C3 (de) 1975-03-22 Bohrmeißel fur Tieflochhämmer

Publications (2)

Publication Number Publication Date
ATA188876A ATA188876A (de) 1978-01-15
AT369131B true AT369131B (de) 1982-12-10

Family

ID=5942199

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0188876A AT369131B (de) 1975-03-22 1976-03-15 Bohrmeissel fuer tieflochhaemmer

Country Status (3)

Country Link
AT (1) AT369131B (de)
GB (1) GB1539540A (de)
SE (1) SE415501B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5441121A (en) * 1993-12-22 1995-08-15 Baker Hughes, Inc. Earth boring drill bit with shell supporting an external drilling surface
CN109098663A (zh) * 2018-10-31 2018-12-28 河南大有能源股份有限公司新安煤矿 一种可拆卸内镶式冲煤专用冲孔钻头

Also Published As

Publication number Publication date
SE415501B (sv) 1980-10-06
DE2512785B2 (de) 1976-12-30
SE7603424L (sv) 1976-09-23
ATA188876A (de) 1978-01-15
GB1539540A (en) 1979-01-31
DE2512785A1 (de) 1976-09-23

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties