ATA922577A - Schlagartig wirkende drucklufteinrichtung zur bildung von schlauchfoermigen hohlraeumen im boden - Google Patents

Schlagartig wirkende drucklufteinrichtung zur bildung von schlauchfoermigen hohlraeumen im boden

Info

Publication number
ATA922577A
ATA922577A AT922577A AT922577A ATA922577A AT A922577 A ATA922577 A AT A922577A AT 922577 A AT922577 A AT 922577A AT 922577 A AT922577 A AT 922577A AT A922577 A ATA922577 A AT A922577A
Authority
AT
Austria
Prior art keywords
vacuums
floor
formation
tube
shaped
Prior art date
Application number
AT922577A
Other languages
English (en)
Other versions
AT350002B (de
Inventor
Alexandr Dmitrievich Kostylev
Nikolai Prokhorovich Chepurnoi
Vladimir Dmitrievich Plavskikh
Evgeny Nikolaevich Cherednikov
Original Assignee
Inst Gornogo Dela Sibirskogo O
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 Inst Gornogo Dela Sibirskogo O filed Critical Inst Gornogo Dela Sibirskogo O
Publication of ATA922577A publication Critical patent/ATA922577A/de
Application granted granted Critical
Publication of AT350002B publication Critical patent/AT350002B/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

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)
AT922577A 1977-12-31 1977-12-22 Schlagartig wirkende drucklufteinrichtung zur bildung von schlauchfoermigen hohlraeumen im boden AT350002B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54397/77A GB1575650A (en) 1977-12-31 1977-12-31 Percussive drilling devices

Publications (2)

Publication Number Publication Date
ATA922577A true ATA922577A (de) 1978-09-15
AT350002B AT350002B (de) 1979-05-10

Family

ID=10470880

Family Applications (1)

Application Number Title Priority Date Filing Date
AT922577A AT350002B (de) 1977-12-31 1977-12-22 Schlagartig wirkende drucklufteinrichtung zur bildung von schlauchfoermigen hohlraeumen im boden

Country Status (4)

Country Link
AT (1) AT350002B (de)
CH (1) CH629279A5 (de)
FR (1) FR2415417A7 (de)
GB (1) GB1575650A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840923C2 (de) * 1988-12-05 1994-03-24 Schmidt Paul Rammbohrgerät

Also Published As

Publication number Publication date
CH629279A5 (en) 1982-04-15
AT350002B (de) 1979-05-10
FR2415417A7 (fr) 1979-08-17
GB1575650A (en) 1980-09-24

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee