IT994321B - PERFORATING HAMMER - Google Patents

PERFORATING HAMMER

Info

Publication number
IT994321B
IT994321B IT5272173A IT5272173A IT994321B IT 994321 B IT994321 B IT 994321B IT 5272173 A IT5272173 A IT 5272173A IT 5272173 A IT5272173 A IT 5272173A IT 994321 B IT994321 B IT 994321B
Authority
IT
Italy
Prior art keywords
perforating
hammer
perforating hammer
Prior art date
Application number
IT5272173A
Other languages
Italian (it)
Original Assignee
Boehler & Co Ag Geb
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 Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Application granted granted Critical
Publication of IT994321B publication Critical patent/IT994321B/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • 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
    • 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

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)
  • Percussive Tools And Related Accessories (AREA)
IT5272173A 1972-09-27 1973-09-24 PERFORATING HAMMER IT994321B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT829272A AT323100B (en) 1972-09-27 1972-09-27 Sinking hammer

Publications (1)

Publication Number Publication Date
IT994321B true IT994321B (en) 1975-10-20

Family

ID=3604172

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5272173A IT994321B (en) 1972-09-27 1973-09-24 PERFORATING HAMMER

Country Status (5)

Country Link
AT (1) AT323100B (en)
BE (1) BE805348A (en)
DE (1) DE2343082B2 (en)
FR (1) FR2200434A1 (en)
IT (1) IT994321B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA7891B (en) * 1978-01-06 1979-08-29 Boart Int Ltd Down-the-hole drilling
FR2424408A1 (en) * 1978-04-24 1979-11-23 Stenuick Freres PERFORATION SIZE FOR PNEUMATIC BOTTOM-OF-HOLE HAMMER

Also Published As

Publication number Publication date
DE2343082A1 (en) 1974-04-04
FR2200434B1 (en) 1977-08-12
AT323100B (en) 1975-06-25
BE805348A (en) 1974-01-16
FR2200434A1 (en) 1974-04-19
DE2343082B2 (en) 1980-04-24

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