FR342288A - Method and apparatus for deep-freezing wells - Google Patents

Method and apparatus for deep-freezing wells

Info

Publication number
FR342288A
FR342288A FR342288DA FR342288A FR 342288 A FR342288 A FR 342288A FR 342288D A FR342288D A FR 342288DA FR 342288 A FR342288 A FR 342288A
Authority
FR
France
Prior art keywords
deep
freezing wells
wells
freezing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Karl Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR342288A publication Critical patent/FR342288A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/10—Preparation of the ground
    • E21D1/12—Preparation of the ground by freezing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR342288D 1903-09-06 1904-04-14 Method and apparatus for deep-freezing wells Expired FR342288A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE342288X 1903-09-06

Publications (1)

Publication Number Publication Date
FR342288A true FR342288A (en) 1904-09-03

Family

ID=1391305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR342288D Expired FR342288A (en) 1903-09-06 1904-04-14 Method and apparatus for deep-freezing wells

Country Status (1)

Country Link
FR (1) FR342288A (en)

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