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  3. Advanced Formation Evaluation - Sandstone Reservoir - RILS
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Advanced Formation Evaluation - Sandstone Reservoir - RILS

Level: Advanced | Type: Remote Instructor Led Series | Discipline: Petrophysics

This is a remote instructor lead delivery version of Advanced Formation Evaluation in Sandstone Reservoirs. This course is suitable for all geoscientists and engineers who will benefit greatly from exposure to advanced knowledge and expertise in formation evaluations in clastics. The remote version of this course can be delivered as an open or private class.  The recommended format is 10 sessions that are 4 hours in length, because then the delivery is consistent with the 5 day traditional instructor lead course. 

The course covers solutions for evaluating various shaly sand reservoirs including techniques and equations. 

The course covers petrophysical evaluation and the challenges of evaluating low resistivity pay sands and determinizing pay characteristics.  The course features many hand-on practical workshops and exercises. This course can be delivered either as a public or private class.  For private (closed) classes the agenda can be customized to fit the clients objectives. 


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  • Geology of clastics reservoirs and tectonic activities
  • Gamma Ray (GR) and Spontaneous Potential: Tool physics and applications to estimate clay volume, clay type and formation water salinities.
  • Acoustics: Tool physics and applications for rock mechanics; well bore stability, and sandstone compaction. The applications of acoustic to predict High Pressure zones.  The physics and applications of Sonic-Scanner to evaluate anisotropy.
  • Nuclear Log data: Density, Photo electric and neutron tools theory and applications to clastics reservoir. Detailed applications of the density-neutron cross plot to estimate the volume of clay (Vcl, Vsh) and the trends in silt, laminated shale and dispersed shale.
  • Core analysis to obtain porosity, and permeability.
  • Shale Analysis: Elemental Capture Spectroscopy to give evaluations of lithology and shale volume, Evaluations of dispersed and laminated shales.
  • Definition and measurement of the Cation Exchange Capacity (CEC) and its applications in the Waxman-Smits Equation.
  • Detailed derivation of the Dual Water Equation and comparison with the Waxman-Smits and modified Waxman-Smits equations.
  • Log Interpretations in Clastics; This covers in details the derivation and applications of the various shaly-sand equations both the empirical versions (e.g. Indonesia, Nigeria, etc..) and the excess conductivity equations (e.g. Waxman-Smits, Dual Water, etc..).
  • Permeability estimations in clastics reservoirs.
  • Pore Geometry and Flow Units. This covers:
  • Introduction to Petrophysical Rock Typing
  • Capillary Pressure Measurements and capillary pressure obtained from NMR
  • Brief Introduction to Saturation Height Modeling
  • Flow Units applying Modified Lorenz principle
Brief Course Schedule


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