FR2166393A5 - - Google Patents

Info

Publication number
FR2166393A5
FR2166393A5 FR7100325A FR7100325A FR2166393A5 FR 2166393 A5 FR2166393 A5 FR 2166393A5 FR 7100325 A FR7100325 A FR 7100325A FR 7100325 A FR7100325 A FR 7100325A FR 2166393 A5 FR2166393 A5 FR 2166393A5
Authority
FR
France
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
FR7100325A
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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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
Priority to ZA710058A priority Critical patent/ZA7158B/xx
Application filed by Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR7100325A priority patent/FR2166393A5/fr
Priority to NO02681/71A priority patent/NO129017B/no
Priority to CA127,938A priority patent/CA977737A/en
Priority to GB32572A priority patent/GB1315921A/en
Application granted granted Critical
Publication of FR2166393A5 publication Critical patent/FR2166393A5/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/008—Drilling ice or a formation covered by ice
    • 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
    • E21B7/14—Drilling by use of heat, e.g. flame drilling

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)
  • Tents Or Canopies (AREA)
  • Drying Of Solid Materials (AREA)
FR7100325A 1971-01-07 1971-01-07 Expired FR2166393A5 (enrdf_load_stackoverflow)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ZA710058A ZA7158B (en) 1971-01-07 1971-01-05 Method of coding track circuits and permitting the transmission of information to a vehicle moving along a railway track,and receivers for putting this method into practice
FR7100325A FR2166393A5 (enrdf_load_stackoverflow) 1971-01-07 1971-01-07
NO02681/71A NO129017B (enrdf_load_stackoverflow) 1971-01-07 1971-07-13
CA127,938A CA977737A (en) 1971-01-07 1971-11-18 Perforateur de glace et generateur de gaz chauds
GB32572A GB1315921A (en) 1971-01-07 1972-01-04 Device for forming a hole in ice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7100325A FR2166393A5 (enrdf_load_stackoverflow) 1971-01-07 1971-01-07

Publications (1)

Publication Number Publication Date
FR2166393A5 true FR2166393A5 (enrdf_load_stackoverflow) 1973-08-17

Family

ID=9069913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7100325A Expired FR2166393A5 (enrdf_load_stackoverflow) 1971-01-07 1971-01-07

Country Status (5)

Country Link
CA (1) CA977737A (enrdf_load_stackoverflow)
FR (1) FR2166393A5 (enrdf_load_stackoverflow)
GB (1) GB1315921A (enrdf_load_stackoverflow)
NO (1) NO129017B (enrdf_load_stackoverflow)
ZA (1) ZA7158B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923019A (en) * 1989-02-28 1990-05-08 Arctic Systems Limited Thermochemical penetrator for ice and frozen soils
GB9013661D0 (en) * 1990-06-19 2001-10-31 Marconi Gec Ltd Improvements relating to ice penetrating devices
DE10332571B3 (de) * 2003-07-13 2004-11-25 Stiftung Alfred-Wegener-Institut Für Polar- Und Meeresforschung Verfahren zum thermischen Bohren von Löchern in Eis und Vorrichtung zur Durchführung des Verfahrens
FR2964141B1 (fr) * 2010-09-01 2013-09-27 Boma Construction Dispositif et procede pour percer un trou dans une couche epaisse de glace
CN102839918B (zh) * 2012-09-13 2014-07-16 吉林大学 冰层定向钻井热熔钻头
DE102018003378A1 (de) * 2018-04-25 2019-10-31 Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen Schmelzkopf einer Eis-Schmelzvorrichtung

Also Published As

Publication number Publication date
CA977737A (en) 1975-11-11
GB1315921A (en) 1973-05-09
ZA7158B (en) 1971-11-24
NO129017B (enrdf_load_stackoverflow) 1974-02-11

Similar Documents

Publication Publication Date Title
AU2691671A (enrdf_load_stackoverflow)
AU3005371A (enrdf_load_stackoverflow)
AU2684071A (enrdf_load_stackoverflow)
AU2742671A (enrdf_load_stackoverflow)
AU2894671A (enrdf_load_stackoverflow)
AU2941471A (enrdf_load_stackoverflow)
AU2952271A (enrdf_load_stackoverflow)
AU2837671A (enrdf_load_stackoverflow)
AU2755871A (enrdf_load_stackoverflow)
AU2654071A (enrdf_load_stackoverflow)
AU2456871A (enrdf_load_stackoverflow)
AU2669471A (enrdf_load_stackoverflow)
AU2907471A (enrdf_load_stackoverflow)
AU2684171A (enrdf_load_stackoverflow)
AU2706571A (enrdf_load_stackoverflow)
AU2724971A (enrdf_load_stackoverflow)
AU2455871A (enrdf_load_stackoverflow)
AU2740271A (enrdf_load_stackoverflow)
AU2836771A (enrdf_load_stackoverflow)
AU2885171A (enrdf_load_stackoverflow)
AU2854371A (enrdf_load_stackoverflow)
AU3038671A (enrdf_load_stackoverflow)
AU3025871A (enrdf_load_stackoverflow)
AU2875571A (enrdf_load_stackoverflow)
AU2963771A (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
ST Notification of lapse