DK356680A - PROCEDURE FOR OPERATING AIR-DRIVE APPLIANCES AND APPARATUS FOR EXERCISING THE PROCEDURE - Google Patents

PROCEDURE FOR OPERATING AIR-DRIVE APPLIANCES AND APPARATUS FOR EXERCISING THE PROCEDURE

Info

Publication number
DK356680A
DK356680A DK356680A DK356680A DK356680A DK 356680 A DK356680 A DK 356680A DK 356680 A DK356680 A DK 356680A DK 356680 A DK356680 A DK 356680A DK 356680 A DK356680 A DK 356680A
Authority
DK
Denmark
Prior art keywords
procedure
exercising
operating air
appliances
drive
Prior art date
Application number
DK356680A
Other languages
Danish (da)
Inventor
P Schmidt
Original Assignee
Schmidt Paul
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 Schmidt Paul filed Critical Schmidt Paul
Publication of DK356680A publication Critical patent/DK356680A/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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/003—Insulating arrangements
    • 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)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Soil Working Implements (AREA)
DK356680A 1979-08-25 1980-08-19 PROCEDURE FOR OPERATING AIR-DRIVE APPLIANCES AND APPARATUS FOR EXERCISING THE PROCEDURE DK356680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2934452A DE2934452C2 (en) 1979-08-25 1979-08-25 Method and device for operating a self-propelled pneumatic ram boring machine

Publications (1)

Publication Number Publication Date
DK356680A true DK356680A (en) 1981-02-26

Family

ID=6079311

Family Applications (1)

Application Number Title Priority Date Filing Date
DK356680A DK356680A (en) 1979-08-25 1980-08-19 PROCEDURE FOR OPERATING AIR-DRIVE APPLIANCES AND APPARATUS FOR EXERCISING THE PROCEDURE

Country Status (6)

Country Link
JP (1) JPS5631986A (en)
DE (1) DE2934452C2 (en)
DK (1) DK356680A (en)
FR (1) FR2463848A1 (en)
GB (1) GB2058224A (en)
SE (1) SE8005368L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468496B (en) * 2009-03-10 2011-09-14 Mark Brice Percussion mole

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763433A (en) * 1951-08-25 1956-12-12 Sir George Godfrey And Partner Improvements in or relating to pneumatic power transmission systems
FI45375C (en) * 1971-02-19 1972-05-10 Tampella Oy Ab Rock drilling rig.
US3774701A (en) * 1971-05-07 1973-11-27 C Weaver Method and apparatus for drilling
US4154297A (en) * 1977-12-08 1979-05-15 Sun Oil Company Lift gas heat exchanger

Also Published As

Publication number Publication date
FR2463848A1 (en) 1981-02-27
DE2934452A1 (en) 1981-03-26
GB2058224A (en) 1981-04-08
DE2934452C2 (en) 1986-10-02
SE8005368L (en) 1981-02-26
JPS5631986A (en) 1981-03-31

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