CH613748A5 - Deep-hole hammer drill - Google Patents

Deep-hole hammer drill

Info

Publication number
CH613748A5
CH613748A5 CH345376A CH345376A CH613748A5 CH 613748 A5 CH613748 A5 CH 613748A5 CH 345376 A CH345376 A CH 345376A CH 345376 A CH345376 A CH 345376A CH 613748 A5 CH613748 A5 CH 613748A5
Authority
CH
Switzerland
Prior art keywords
deep
hammer drill
hole hammer
hole
drill
Prior art date
Application number
CH345376A
Other languages
English (en)
Inventor
Hans-Philipp Walter
Original Assignee
Walter H P Gmbh & Co Druckluft
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 H P Gmbh & Co Druckluft filed Critical Walter H P Gmbh & Co Druckluft
Publication of CH613748A5 publication Critical patent/CH613748A5/xx

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
    • 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)
CH345376A 1975-03-22 1976-03-19 Deep-hole hammer drill CH613748A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752512785 DE2512785C3 (de) 1975-03-22 Bohrmeißel fur Tieflochhämmer
DE19752512784 DE2512784C3 (de) 1975-03-22 Tieflochbohrhammer

Publications (1)

Publication Number Publication Date
CH613748A5 true CH613748A5 (en) 1979-10-15

Family

ID=25768676

Family Applications (1)

Application Number Title Priority Date Filing Date
CH345376A CH613748A5 (en) 1975-03-22 1976-03-19 Deep-hole hammer drill

Country Status (2)

Country Link
CH (1) CH613748A5 (xx)
FR (1) FR2305580A1 (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442952A1 (fr) * 1978-06-23 1980-06-27 Lafitte Gilbert Appareil de forage a percussion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740651A (en) * 1951-03-10 1956-04-03 Exxon Research Engineering Co Resiliently coupled drill bit
DE964311C (de) * 1954-03-20 1957-05-23 Wallram Hartmetall Bohrwerkzeug mit durch Schaft an einem Bohrrohr oder einer Bohrstange befestigtem Bohrkopf
US2872158A (en) * 1955-07-05 1959-02-03 Nathaniel P Green Double blow drill
US3162251A (en) * 1960-01-19 1964-12-22 Bassinger Ross Enclosed case mud percussion tool
FR1438288A (fr) * 1964-02-13 1966-05-13 Gardner Denver Co Dispositif de forage
GB1242052A (en) * 1967-05-25 1971-08-11 Wickman Wimet Ltd Percussive rock drilling apparatus
US3527239A (en) * 1968-09-26 1970-09-08 Gardner Denver Co Exhaust tube for down-hole drill
FR2044939A5 (xx) * 1969-05-23 1971-02-26 Stenuick Freres
GB1264016A (en) * 1969-10-13 1972-02-16 Ingersoll Rand Co Rock drill bit drive

Also Published As

Publication number Publication date
FR2305580A1 (fr) 1976-10-22
FR2305580B1 (xx) 1982-10-08

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Legal Events

Date Code Title Description
PL Patent ceased