FR1207445A - Cylindre à carotte commandé par câble - Google Patents

Cylindre à carotte commandé par câble

Info

Publication number
FR1207445A
FR1207445A FR1207445DA FR1207445A FR 1207445 A FR1207445 A FR 1207445A FR 1207445D A FR1207445D A FR 1207445DA FR 1207445 A FR1207445 A FR 1207445A
Authority
FR
France
Prior art keywords
cable
operated
sprue
cylinder
sprue cylinder
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
English (en)
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.)
EJ Longyear Co
Original Assignee
EJ Longyear 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 EJ Longyear Co filed Critical EJ Longyear Co
Application granted granted Critical
Publication of FR1207445A publication Critical patent/FR1207445A/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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe

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)
FR1207445D 1957-05-13 1958-04-24 Cylindre à carotte commandé par câble Expired FR1207445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1207445XA 1957-05-13 1957-05-13

Publications (1)

Publication Number Publication Date
FR1207445A true FR1207445A (fr) 1960-02-16

Family

ID=22392285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1207445D Expired FR1207445A (fr) 1957-05-13 1958-04-24 Cylindre à carotte commandé par câble

Country Status (1)

Country Link
FR (1) FR1207445A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535781A1 (fr) * 1982-11-09 1984-05-11 Rech Geolog Miniere Procede et appareil pour la traversee rapide de terrains ininteressants, au cours d'un forage de recherches minieres
CN111636838A (zh) * 2020-06-23 2020-09-08 江西有色地质勘查二队 复杂地层双隔自锁式三层管绳索取心钻具

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535781A1 (fr) * 1982-11-09 1984-05-11 Rech Geolog Miniere Procede et appareil pour la traversee rapide de terrains ininteressants, au cours d'un forage de recherches minieres
EP0108696A1 (fr) * 1982-11-09 1984-05-16 Bureau De Recherches Geologiques Et Minieres Procédé et appareil pour la traversée rapide de terrains inintéressants, au cours d'un forage de recherches minières
CN111636838A (zh) * 2020-06-23 2020-09-08 江西有色地质勘查二队 复杂地层双隔自锁式三层管绳索取心钻具

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