IT980449B - PROCEDURE FOR DRILLING INCOERENT SOILS - Google Patents

PROCEDURE FOR DRILLING INCOERENT SOILS

Info

Publication number
IT980449B
IT980449B IT4909673A IT4909673A IT980449B IT 980449 B IT980449 B IT 980449B IT 4909673 A IT4909673 A IT 4909673A IT 4909673 A IT4909673 A IT 4909673A IT 980449 B IT980449 B IT 980449B
Authority
IT
Italy
Prior art keywords
incoerent
soils
drilling
procedure
incoerent soils
Prior art date
Application number
IT4909673A
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 IT980449B publication Critical patent/IT980449B/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
    • 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
    • E21B36/001—Cooling 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
    • E21B7/00—Special methods or apparatus for drilling

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)
IT4909673A 1972-04-08 1973-03-02 PROCEDURE FOR DRILLING INCOERENT SOILS IT980449B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722216920 DE2216920A1 (en) 1972-04-08 1972-04-08 DRILLING METHOD

Publications (1)

Publication Number Publication Date
IT980449B true IT980449B (en) 1974-09-30

Family

ID=5841335

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4909673A IT980449B (en) 1972-04-08 1973-03-02 PROCEDURE FOR DRILLING INCOERENT SOILS

Country Status (5)

Country Link
AT (1) AT314445B (en)
CH (1) CH556955A (en)
DE (1) DE2216920A1 (en)
FR (1) FR2179794B1 (en)
IT (1) IT980449B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19953819A1 (en) * 1999-11-09 2001-05-10 Zueblin Ag Sealing wall for tunnel and shaft drivage through mixed ground installs highpressure injected columns to intersect prior to inserting freezing lances to intersection and non-grouted ground both ends.

Also Published As

Publication number Publication date
DE2216920A1 (en) 1973-10-11
FR2179794A1 (en) 1973-11-23
FR2179794B1 (en) 1974-05-17
CH556955A (en) 1974-12-13
AT314445B (en) 1974-04-10

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