CA1074584A - Dispositif servant a prevenir le gel des trous pratiques dans la glace - Google Patents

Dispositif servant a prevenir le gel des trous pratiques dans la glace

Info

Publication number
CA1074584A
CA1074584A CA312,537A CA312537A CA1074584A CA 1074584 A CA1074584 A CA 1074584A CA 312537 A CA312537 A CA 312537A CA 1074584 A CA1074584 A CA 1074584A
Authority
CA
Canada
Prior art keywords
bladder
ice
ice hole
hole
retaining
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
CA312,537A
Other languages
English (en)
Inventor
Allen R. Milne
Thomas Hughes
Richard B. H. Sewell
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.)
Department of National Defence
Original Assignee
Department of National Defence
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 Department of National Defence filed Critical Department of National Defence
Priority to CA312,537A priority Critical patent/CA1074584A/fr
Application granted granted Critical
Publication of CA1074584A publication Critical patent/CA1074584A/fr
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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/127—Packers; Plugs with inflatable sleeve
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • 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
    • E21B7/008—Drilling ice or a formation covered by ice

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Fluid-Driven Valves (AREA)
CA312,537A 1978-09-27 1978-09-27 Dispositif servant a prevenir le gel des trous pratiques dans la glace Expired CA1074584A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA312,537A CA1074584A (fr) 1978-09-27 1978-09-27 Dispositif servant a prevenir le gel des trous pratiques dans la glace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA312,537A CA1074584A (fr) 1978-09-27 1978-09-27 Dispositif servant a prevenir le gel des trous pratiques dans la glace

Publications (1)

Publication Number Publication Date
CA1074584A true CA1074584A (fr) 1980-04-01

Family

ID=4112509

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312,537A Expired CA1074584A (fr) 1978-09-27 1978-09-27 Dispositif servant a prevenir le gel des trous pratiques dans la glace

Country Status (1)

Country Link
CA (1) CA1074584A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761909A (en) * 1986-10-08 1988-08-09 Christian Gregory A Ice hole fishing plug
US4845875A (en) * 1989-01-17 1989-07-11 Yale Norwick Ice fishing hole maintaining device
FR2680539A1 (fr) * 1991-08-19 1993-02-26 Majorel Guy Procede d'extinction de puits de petrole en feu et dispositif de mise en óoeuvre.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761909A (en) * 1986-10-08 1988-08-09 Christian Gregory A Ice hole fishing plug
US4845875A (en) * 1989-01-17 1989-07-11 Yale Norwick Ice fishing hole maintaining device
FR2680539A1 (fr) * 1991-08-19 1993-02-26 Majorel Guy Procede d'extinction de puits de petrole en feu et dispositif de mise en óoeuvre.
BE1005807A3 (fr) * 1991-08-19 1994-02-01 Majorel Guy Procede d'extinction de puits de petrole en feu et dispositif de mise en oeuvre.

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Legal Events

Date Code Title Description
MKEX Expiry