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
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/en
Application filed by Walter H P Gmbh & Co Druckluft filed Critical Walter H P Gmbh & Co Druckluft
Publication of CH613748A5 publication Critical patent/CH613748A5/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
    • 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 (en) 1975-03-22 Drill bits for deep hole hammers
DE19752512784 DE2512784C3 (en) 1975-03-22 Downhole hammer

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 (en)
FR (1) FR2305580A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442952A1 (en) * 1978-06-23 1980-06-27 Lafitte Gilbert Percussion drill with tubular body - having housing at end for drilling head and in which is placed pneumatic hammer with air supply through rotary joint

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 (en) * 1954-03-20 1957-05-23 Wallram Hartmetall Drilling tool with a drill head attached to a drill pipe or drill rod by means of a shaft
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 (en) * 1964-02-13 1966-05-13 Gardner Denver Co Drilling device
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 (en) * 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
FR2305580B1 (en) 1982-10-08
FR2305580A1 (en) 1976-10-22

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Legal Events

Date Code Title Description
PL Patent ceased