CA989881A - Method of mining oil shales, tar sands and other minerals - Google Patents

Method of mining oil shales, tar sands and other minerals

Info

Publication number
CA989881A
CA989881A CA227,228A CA227228A CA989881A CA 989881 A CA989881 A CA 989881A CA 227228 A CA227228 A CA 227228A CA 989881 A CA989881 A CA 989881A
Authority
CA
Canada
Prior art keywords
minerals
tar sands
oil shales
mining oil
mining
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
CA227,228A
Inventor
Robert W. Johns
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
Priority to CA227,228A priority Critical patent/CA989881A/en
Application granted granted Critical
Publication of CA989881A publication Critical patent/CA989881A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/24—Methods of underground mining; Layouts therefor for oil-bearing deposits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Remote Sensing (AREA)
CA227,228A 1975-05-16 1975-05-16 Method of mining oil shales, tar sands and other minerals Expired CA989881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA227,228A CA989881A (en) 1975-05-16 1975-05-16 Method of mining oil shales, tar sands and other minerals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA227,228A CA989881A (en) 1975-05-16 1975-05-16 Method of mining oil shales, tar sands and other minerals

Publications (1)

Publication Number Publication Date
CA989881A true CA989881A (en) 1976-05-25

Family

ID=4103104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA227,228A Expired CA989881A (en) 1975-05-16 1975-05-16 Method of mining oil shales, tar sands and other minerals

Country Status (1)

Country Link
CA (1) CA989881A (en)

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