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Application of Mid-infrared Reflectance Spectroscopy for the Identification of Minerals Present in Oil & Gas/Mining Exploration
Joassin, Marjorie; Pirard, Eric; Germay, Christophe
2017In Proceedings SGA2017
Peer reviewed
 

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Abstract :
[en] This work aims to develop a new core logging technique based on reflectance spectroscopy in the mid-infrared domain (2.08 to 25 μm). This technique is suitable to analyse the mineralogy of rough surfaces and will be adapted on a rock strength testing machine that scratches the core surface. The FT-IR spectrometer used in this work was tested on a list of minerals which are important in oil & gas and mining exploration. The list contains species of carbonates, halides, phosphates, sulphates, sulphides, tectosilicates and phyllosilicates. Then, a semi-automatic method was developed for mineral identification, mapping and quantification on the rough surfaces. It will be demonstrated that this process is powerful for the estimation of the mineral distribution at the exploration stage. Moreover, as it is non-destructive, low cost and quite fast, it will thus be helpful to extract additional data from the cores in a profitable way. This is critical to improve the resource efficiency, to reduce operational risks and to optimise the production in a sustainable way. These knowledges are the basis of the geometallurgical concept
Disciplines :
Geological, petroleum & mining engineering
Author, co-author :
Joassin, Marjorie
Pirard, Eric  ;  Université de Liège - ULiège > Département ArGEnCo > Géoressources minérales & Imagerie géologique
Germay, Christophe
Language :
English
Title :
Application of Mid-infrared Reflectance Spectroscopy for the Identification of Minerals Present in Oil & Gas/Mining Exploration
Publication date :
August 2017
Event name :
Society of Geology Applied to Mineral Deposits (SGA) 2017
Event organizer :
SGA
Event place :
Quebec, Canada
Event date :
du 20 août 2017 au 22 août 2017
Audience :
International
Main work title :
Proceedings SGA2017
Peer reviewed :
Peer reviewed
Available on ORBi :
since 27 October 2017

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