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TROU PROSPECTION [4 records]

Record 1 2011-05-16

English

Subject field(s)
  • Seismic Prospecting
  • Geological Research and Exploration
DEF

Shot hole drilling required to install shot gun or explosive to develop ground vibration shock as a signal source for seismic survey.

OBS

It is usually a slim hole ... slim hole: A drill hole of the smallest practicable size, often drilled with a truck-mounted rig; used primarily for mineral exploration or as a stratigraphic or structure test.

French

Domaine(s)
  • Prospection sismique
  • Recherches et prospections géologiques

Spanish

Save record 1

Record 2 2006-05-18

English

Subject field(s)
  • Construction of Boreholes (Mining)

French

Domaine(s)
  • Aménagement du trou de sondage (Mines)
CONT

Habituellement, il faut réaliser des forages et des excavations de recherche pour délimiter les bordures et la répartition des unités de formation de fer.

Spanish

Save record 2

Record 3 - external organization data 2001-11-21

English

Subject field(s)
  • Ground-Drilling Facilities (Mining)
  • Radiological Physics (Theory and Application)
  • Compartment - Canadian Nuclear Safety Commission
CONT

A well-logging tool being used in coal exploration became stuck at the 128 metres (420 foot) level in a drill hole of 290 metres (950 feet) total depth.

French

Domaine(s)
  • Installations de forage minier
  • Physique radiologique et applications
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Un instrument de diagraphie des puits utilisé au cours de la prospection de charbon s’est coincé à une profondeur de 128 mètres(420 pieds) dans un trou de sondage d’une hauteur totale de 290 mètres(950 pieds).

Spanish

Save record 3

Record 4 1977-11-14

English

Subject field(s)
  • Geophysics
OBS

Pulsed-neutron logs, which include the thermal-decay-time and neutron lifetime logs, record the rate of decay of thermal neutrons. Chlorine, which is the most common element with high-capture cross-section (...), is found in most formations, and is the principal absorber of thermal neutrons. Consequently, this log determines mainly the amount of chlorine, i.e., the amount of saline water present. (...)

French

Domaine(s)
  • Géophysique
OBS

Le carottage du taux de résorption des neutrons thermiques [est une méthode de carottage par radioactivité provoquée. ] Un générateur de neutrons installé dans une sonde émet des impulsions répétées de particules ayant une énergie moyenne de 14 M. é. V.(...). Après chaque impulsion, les neutrons sont rapidement décélérés jusqu'à vitesse thermique grâce à une série de collisions avec les noyaux des éléments dans les formations géologiques et le trou de forage.(...) cette technique de carottage est utile en prospection pétrolifère pour distinguer les formations riches en hydrocarbures de celles contenant surtout de l'eau salée(...)

Spanish

Save record 4

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