Global Agency of Geosciences Experts

05-05d Rock Physics: Siliclastics

Objectives

This course is dedicated to rock physics in siliciclastics environment. We will cover geology of clastic reservoirs, see the application of density neutron cross plots, see the specificities of shales and how to use high tech tools.

Who should attend

Profesionnals with a Scientific background.

Prerequisites

Background in Geosciences, petroleum geology or basic Petroleum Engineer knowledge

Duration

5 Session

Languages
Geoid Logo Geoid Training available
Geoid Logo
1
Session

Geology of clastics reservoirs

Gamma Ray

Spontaneous Potential logs

  • Vsh
  • Formation Water Salinity

Clay type

Overview of standard logging tools

Quick-Look data evaluation

2
Session

Applications of the density-neutron cross plot

to determine:

  • effective porosity
  • total porosity
  • hydrocarbon effect and
  • shale volume

Hydrocarbon effects on density-neutron cross-plots.

Acoustic measurements and acoustic scanner to determine:

  • sand compaction
  • mechanical properties
3
Session

Evaluation of Shales:

Overview of shales and their depositional environments

Procedures to estimate Vsh.

Estimating Vsh

  • Spectroscopy
  • direct measurements of Al
  • Al emulator.

Volumes of dispersed and laminated shales

  • Thomas Steubar
  • Popoun-Juasz

Cations Exchange Capacity (CEC) of shales

Silt volumes from standard logs.

4
Session

Shaly sand equations:

Empirically derived equations used

Excess Conductivity shaly sand equations:

  • Waxman-Smits (WS),
  • Dual-Water,
  • Modified W-S

Comparison

5
Session

High Technology tools

  • Nuclear Magnetic Resonance
  • Dielectric Logs
  • Micro-resistivity Imaging
  • Permeability Estimations

LECTURERS

This gage training is available in

If you require a classroom training or a video training we’ll put you in contact with the best professor teaching in the language of your choice.

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