FR1414964A - Method of preventing subsidence of soil above an underground cavity - Google Patents

Method of preventing subsidence of soil above an underground cavity

Info

Publication number
FR1414964A
FR1414964A FR988773A FR988773A FR1414964A FR 1414964 A FR1414964 A FR 1414964A FR 988773 A FR988773 A FR 988773A FR 988773 A FR988773 A FR 988773A FR 1414964 A FR1414964 A FR 1414964A
Authority
FR
France
Prior art keywords
underground cavity
soil above
preventing subsidence
subsidence
preventing
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
FR988773A
Other languages
French (fr)
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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
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 Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Priority to FR988773A priority Critical patent/FR1414964A/en
Application granted granted Critical
Publication of FR1414964A publication Critical patent/FR1414964A/en
Expired legal-status Critical Current

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/28—Dissolving minerals other than hydrocarbons, e.g. by an alkaline or acid leaching agent
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
FR988773A 1964-09-21 1964-09-21 Method of preventing subsidence of soil above an underground cavity Expired FR1414964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR988773A FR1414964A (en) 1964-09-21 1964-09-21 Method of preventing subsidence of soil above an underground cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR988773A FR1414964A (en) 1964-09-21 1964-09-21 Method of preventing subsidence of soil above an underground cavity

Publications (1)

Publication Number Publication Date
FR1414964A true FR1414964A (en) 1965-10-22

Family

ID=8838731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988773A Expired FR1414964A (en) 1964-09-21 1964-09-21 Method of preventing subsidence of soil above an underground cavity

Country Status (1)

Country Link
FR (1) FR1414964A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2904655A1 (en) * 2006-08-02 2008-02-08 Armines Ass Loi De 1901 Saline cavity e.g. underground cavern, closing method for e.g. oil drilling industry, involves changing fraction of liquid volume so that assembly`s compressibility ensures that cavity`s internal pressure is lower than lithostatic pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2904655A1 (en) * 2006-08-02 2008-02-08 Armines Ass Loi De 1901 Saline cavity e.g. underground cavern, closing method for e.g. oil drilling industry, involves changing fraction of liquid volume so that assembly`s compressibility ensures that cavity`s internal pressure is lower than lithostatic pressure

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