Petrophysical Analysis and Integrated Approaches to the Study of Carbonate Reservoirs

Tuesday, 21 April, 8:00 a.m. – Thursday, 23 April 2015, 5:00 p.m.
Austin, Texas, United States
Who Should Attend
This course is for geologists, geophysicists, engineers and multi-disciplinary team members needing to learn more about exploration in carbonate reservoirs. The course is designed to be cross disciplinary, and of interest to anyone involved in reservoir description. For geologists/geophysicists the interest will be the contribution petrophysics has to understand the variability of carbonate facies in a reservoir context. For engineers, the course will give insight as to the geological and petrophysical attributes controlling reservoir variability.

Upon completion of this course, participants will be able to:

  • determine lithology
  • compare moldic porosity with intercrystalline/interparticle porosity
  • determine the influence of gas on porosity log responses
  • determine rock typing with correlations to facies descriptions
  • define mobile from capillary bound water, changing rock quality by level, and changing porosity permeability relations
  • make use of a method to quantify adsorbed and free hydrocarbons in shale reservoirs,
  • use rock physics modeling to differentiate brittle from ductile sequences
  • evaluate the role of structural reactivation and apply to refining location and properties of carbonate reservoirs
  • apply process-based analogs and interpretations to improve geomodels 
  • use petrofacies approach to better define key properties of complex carbonate reservoirs (e.g., water saturations, volumetrics, ROIP, establishing permeability correlations and predicting fluid flow)
  • use an integrated approach for more accurate and valid geomodels
Course Content

This course is divided into two parts.  The first part, on Petrophysical Analysis, is designed to encompass the spectrum of information that can be derived from examination of standard open-hole logs.  Basic petrophysical interpretation to calculate porosity, shale volume, fluid saturation, grain density, and permeability will be covered.  Advanced analysis will include detailed examination of porosity log responses, relations between porosity and water saturation, and a discussion of capillary characteristics.

The second part, on Integrated Approaches, provides an overview of key factors controlling oil and gas distribution in carbonate reservoirs in the greater Midcontinent USA. A top down approach is taken starting with regional structural and tectonic framework followed by sequence stratigraphic framework and reservoir architecture through analysis of core, well, and seismic data. A description of common reservoir lithofacies and their recent analogs is followed by a review of petrofacies concept and pore typing using petrophysical techniques grounded on core studies.

Case studies will demonstrate integrated approaches to reservoir characterization and modeling of 1) ooid and grainstone shoals; 2) phylloid algal mounds and related lithofacies; 3) low resistivity microporous chert and dolomitic reservoirs, and 4) karst and fracture modified reservoirs. Methodologies and workflows reviewed in these case studies include geosteering and evaluation of horizontal wells and optimizing carbon storage utilization and management. The overall goal of this section is to provide tools for efficient and effective re-exploration and development.

Course notes will be provided in digital format on USB flash drive only, so electronic devices with a USB port are required for all courses. If you do not have access to an electronic device with a USB port, please contact the AAPG Education Dept. for an alternate method to download the digital course notes.

Norris Conference Center, Austin, TX
Norris Conference Center, Austin, TX
2525 W. Anderson Lane Suite 365
Austin Texas 78757
United States
(512) 451-5011

Expires on
22 March, 2015
Early Member Tuition
Expires on
22 March, 2015
Early Nonmember Tuition
Expires on
23 April, 2015
Member Tuition
Expires on
23 April, 2015
Nonmember Tuition

Includes digital course notes, printed exercises and refreshments. No refunds for cancellations after 3/23/2015.

Scholarship assistance for laid-off workers may be available.  Email the AAPG Education Dept. for details.



Lynn Lynn Watney Kansas Geological Survey at the University of Kansas, USA
Michael Michael Holmes Digital Formation, Inc., Denver, Colorado USA
Debbi Debbi Boonstra Education Manager +1 918 560-2630
Stephanie Stephanie Brown Assistant Registrar 918-560-2930 918-560-2678

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