Explorational Rock Physics and Seismic Reservoir Prediction

Per Avseth & Tor Arne Johansen

This course covers fundamentals of Rock Physics, ranging from basic laboratory and theoretical results to practical recipes that can be immediately applied in the field.

Please note: This course is not available for in-house training.

Duration

Two days

Intended Audience

Intermediate Level

Prerequisites(Knowledge/Experience/Education Required)

Fundamental understanding of physics and mathematics. Educational background and/or practical experience in geology, geophysics and/or petrophysics.

Course Description

This course covers fundamentals of Rock Physics, ranging from basic laboratory and theoretical results to practical recipes that can be immediately applied in the field. We will present qualitative and quantitative tools for understanding and predicting the effects of lithology, pore fluid types and saturation, stress and pore pressure, fractures, and temperature on seismic properties. Moreover, we will show the importance and benefit of linking rock physics to geologic processes, including depositional facies, diagenesis and burial history. It is important in exploration and appraisal to extrapolate away from existing wells, taking into account how the depositional environment changes as well as burial depth trends. Physical models combined with geological scenarios can be used to augment training data and improve machine learning predictions of facies and fluids in areas with sparse well log data. In this way rock physics can better constrain the geophysical inversion and classification problem in underexplored marginal fields, surrounding satellite areas, or in new frontiers.

The course includes practical examples and case studies, as well as suggested workflows, where rock physics models are combined with well log and pre-stack seismic data, sedimentologic information, inputs from basin modeling, computational statistics and machine learning techniques to predict reservoir geology and fluids from seismic amplitudes.

Learner Outcomes

  • Apply rock physics tools during well log and seismic data analysis
  • Interpret rock physics crossplots in terms of geological trends
  • Learn how to build a rock physics template for a specific case
  • Be able to perform fluid and lithology substitution during prospect evaluation and reservoir characterization
  • Obtain a good understanding of state-of-the-art quantitative seismic interpretation methodologies

Instructor Biographies

Per Avseth 
Tor Arne Johansen