Course description

The course presents the principles underlying the measurement of various properties of rock sequences penetrated in boreholes and covers the qualitative and quantitative interpretation of the data obtained through examples and practical workshop sessions. It also covers the most recent advances in log data acquisition technology.


This course is suitable for all engineers and technicians dealing with open hole well log data. This would apply to engineers in the various disciplines in the oil companies. Engineers from drilling, reservoir, geology, production, geophysics and Petrophysics departments will benefit from this course. Moreover, engineers and technicians dealing with log processing, log interpretations, data processing and IT engineers dealing with data management and databases will find this course of special benefit.


Course content

•    Introduction and course objectives
•    Invasion effects and matrix concept
•    Acquisition and recording of log data, types of logs and the associated nomenclature
•    Electric logging tools and the qualitative interpretation of electric log data
•    Acoustic logging tools and the applications of acoustic log data
•    Radioactive logging devices and the applications of the radioactive log data
•    The Electromagnetic Propagation Tool (EPT) and the applications of EPT data
•    The Nuclear Magnetic Resonance log and its applications
•    Platform Express (PEX): a recent advance in log data acquisition technology and its advantages
•    Qualitative interpretation
•    Cross plots
•     Lithology and porosity (Ø) determination
•    Shale volume (Vsh) determination 
•    Gas detection
•    Quantitative interpretation
•    Introduction and objectives
•    Determination of uninvaded zone parameters: Rt, Rw and Sw
•    Determination of invaded zone water saturation, Sxo
•    Determination of qualitative and quantitative indices of hydrocarbon moveability
•    Introduction to shaly formation interpretation
•    Introduction to formation imaging tools
•    Practical workshops
•    Course summary and conclusion

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