Course description
Introduction to Geomechanics for Unconventional Reservoirs – IGUR
This course provides an overview of petroleum geomechanics and its applications for development of unconventional plays. It is presented in three sections:
- fundamentals of petroleum geomechanics,
- geomechanical characterization, stress modeling and building mechanical earth models, and
- geomechanical modeling for unconventional plays.
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Who should attend?
Geoscientists, petrophysicists, engineers, or anyone involved in unconventional reservoir development.
Training content
- Introduction to petroleum geomechanics
- Stress and strain tensors
- Deformation models and failure criteria
- Laboratory measurement of elastic and strength rock properties
- Mechanical behavior properties and key geomechanical aspects of shale plays (fractures, brittleness, and anisotropy)
- In-situ stresses and plate tectonics in the earth
- Effective stresses and the role of pore pressure in geomechanics
- Origins of pore pressure generation and different pore pressure measurement and calculation methods
- Review of different data sources for geomechanical characterization and the concept of integrated characterization
- Image log analysis and fracture characterization
- Construction of 1D and 3D mechanical earth models (MEMs) and their key characteristics
- Vertical stress characterization
- Introduction to Minifrac/DFIT analysis and key recorded pressures
- Basics of Integrated In-situ stress estimation (SHmax) using field tests, wireline logs, image logs, and seismic data
- Poroelastic modeling
- Frictional equilibrium and stress polygon
- Drilling history matching and borehole stability
- Data uncertainty analysis for geomechanical analysis
- Basic principles of hydraulic fracturing analysis and design
- Natural fracture characterization and DFN modeling
- Induced seismicity risk during hydraulic fracturing
- Introduction to data analytics and machine learning for drilling/completion/production optimization of unconventional plays
Certification / Credits
- Essentials of rock mechanics concepts such as stress and strain tensors, rock constitutive models, and failure criteria;
- To review lab measurement reports to understand mechanical rock properties and to understand the application of this data to case studies ;
- The key geomechanical parameters of shales ;
- The origins of pore pressure generation and pressure prediction and measurement methods for unconventional plays ;
- The processes of multi-source data collection (from cores, logs, lab and field tests, drilling, seismic, microseismic, etc.) for characterization of rock properties and in-situ stresses and building Mechanical Earth Models (MEMs) ;
- To analyze and interpret the geomechanical aspects of image logs, mini-frac and DFIT tests, and drilling and completion reports ;
- To use different methodologies to measure/estimate in-situ stress components ;
- To apply geomechanical modeling to unconventional plays ;
- Practical approaches for drilling and mud window design;
- The basic principles of hydraulic fracture design ;
- To characterize natural fractures and use discrete fracture network (DFN) modeling to account for their influence on hydraulic fracturing operations ;
- About modeling and monitoring of fault reactivation and seismicity induced by hydraulic fracturing and waste fluid disposal;
- The application of data analytics and machine learning for optimization of drilling, completion, and production in unconventional plays
Reviews
Average rating 4
"My experience in this course was unique in the sense that the instructor took an abundance of time ensuring we understood the material, which I greatly appreciated."
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"I liked the problems and the questions that were asked during the lecture. They helped make sure concepts were understood. I think this was a good overview of geomechanics."