G - Physics – 21 – F
Patent
G - Physics
21
F
G21F 9/00 (2006.01) C09K 8/16 (2006.01) E21B 43/28 (2006.01) E21B 43/34 (2006.01) E21B 47/04 (2006.01) G21F 9/28 (2006.01)
Patent
CA 2244186
A process for treating naturally occurring radioactive material (NORM) comprises use of NORM as a mud constituent in a drilling mud manufacturing process and particle size reduction of the NORM particles during or before that process to attain a selected particle size corresponding to that of a particulate drilling mud component, said particle size reduction being optionally accompanied by additional mixing, if necessary, of the NORM and mud component particles, the aim of said use being the achievement of irreversible dilution of the NORM particles in said component to nullify the radioactive nature thereof.
Un procédé de traitement de matière radioactive d'origine naturelle (MRON) comprend l'utilisation de MRON en tant que constituant de boue dans un procédé de production de boue de forage et la comminution des particules de MRON pendant ou avant ce procédé afin d'obtenir une grosseur particulaire sélectionnée correspondant à celle d'un constituant de boue de forage particulaire, la comminution des particules étant facultativement accompagnée d'un mélange additionnel, si cela s'avère nécessaire, des particules de MRON et du constituant de boue. L'objet de cette invention est d'effectuer la dilution irréversible des particules de MRON dans ledit constituant pour annuler leur caractère radioactif.
Oyen Wiggs Green & Mutala Llp
Scotoil Group Plc
LandOfFree
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