Course Description
Our goal is for participants to learn basic log analysis, borehole data acquisition methods, and the skills to solve problems associated with identifying and exploiting reserves.
Experience gained will allow participants to identify lithologic zones and fluid types from log data.
Quality control of log data and of the resulting petrophysical interpretations is emphasized through examples and exercises.
Audience
• Geoscientists and engineers
Prerequisites
• None
Topics covered
- Physics of the measurements along with practical theory will allow the participant to follow simple procedures for the rapid and accurate interpretation of logs.
- Various quick-look techniques are presented where participants gain experience in rock property analysis by completing applied exercises.
- Once the participant understands the fundamentals of log analysis, a more detailed description of basic logging measurements is provided. This foundation provides building blocks that lead to more advanced interpretation techniques for the integration of lithology, core and reservoir data into the analysis procedure.
- Becoming familiar with the quality assurance process is essential for successful exploitation and exploration evaluations. Subsurface logs account for the majority of data for wells. The variation of vertical resolution and depth of investigation provide challenges for interpretation.
- Learning objectives include:
- Quick-Look reservoir evaluation methods that identify hydrocarbons, estimate porosity, estimate water saturation and lithology
- Definition of porosity, permeability, residual fluids, and lithology at a micro-scale
- The borehole environment, invasion and basic data acquisition operations
- Definition of reservoir connate water saturation (Archie Equation)
- Brine properties
- Resistivity and reservoir systems
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