Practical Rock Mechanics for Drilling and Completions

Fractured Reservoir Characterization and Modeling

Petroleum Geomechanics for Reservoir Exploitation

STABView Workshop


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Practical Rock Mechanics for Drilling and Completions
The next version of this popular 2-day course is scheduled for April 29 - 30, 2008 in Calgary, Alberta.  The course is offered through the Petroleum Society of CIM at their training facility in downtown Calgary at 425, 500 - 5th Ave SW.  For online registration with the Petroleum Society click here.  For more details or questions on this course do not hesitate to contact us at .

Who Should Attend:

Drilling, completions, exploitation and production engineers and technologists.


Here's What You Will Learn:
Here's What You Will Receive:
  • How to assess when wellbore stability, sand production, or lost circulation will be a problem
  • Basic techniques to obtain and apply earth stress and rock strength data
  • The effects of pore pressures, mud properties and time on wellbore stability
  • When drilling fluid chemistry really matters in shales
  • How to assess the mud density or BHP window you can safely operate in
  • Steps to mitigate the risk of severe problem time while drilling or completing
  • How to avoid the problems encountered in offset wells
  • To determine when the wellbore instability or sand production risks warrant a dedicated study
  • A detailed course manual including all presented material
  • An EXCEL program for basic Borehole Stress and Stability Calculations
  • Up-to-date reference lists on all topics covered in the course
  • In-situ stress trajectory maps
  • Relevant case histories from North America and overseas
  • A Wellbore Stability Planning Chart
Topics Covered in This Course:
Earth Stresses
  • In-situ stress magnitudes and orientations
  • Predictive techniques for stress orientations and magnitudes
  • Borehole breakouts and how to use them
  • Stress testing (LOT, XLOT, minifracs, SRT)
  • How depletion affects stress magnitudes
Rock Mechanical Properties
  • Shales, mudstones and coal
  • Poorly cemented sandstones
  • Naturally fractured rocks
  • Acoustic and dynamic rock properties from logs and core
  • Effects of stress on permeability
  • WCSB, East Coast and foreign examples
  • Guidelines for rock mechanics testing
  • The six best ways to find rock strength data
Wellbore Stability
  • Modes of failure
  • Stresses around boreholes
  • Lost circulation and induced fractures
  • Factors affecting hole stability
  • Mud-shale interaction, shale inhibition
  • Numerical stability modeling tools
  • Guidelines to avoid or reduce problems
  • Wellbore stability planning chart
  • Case histories from Canada and abroad
Bit-Formation Interaction and ROP
  • Basic factors affecting ROP
  • Under and overbalanced pressures
  • Predicting rock strength profiles
  • UBD Case history
Sand Production and Control
  • Factors affecting sand production
  • Theories to predict sanding tendencies
  • Log analysis techniques to predict risks
  • When do you need a liner?
  • Case histories from Canada and abroad
  • Sand control options - pros and cons
Cold Heavy Oil Production with Sand
  • Canadian heavy oil experience
  • Wormholes versus near-wellbore yielding
  • Predicting the extent of disturbance
  • State of current research on the subject
  • Case histories and field experience
STABView Software Cases including:
  • Lost circulation
  • 3D borehole stability
  • 2D elastoplastic yielding
  • 3D dipping weak shale strata
  • 2D sand production with drawdown
About the Principal Instructor:
Pat McLellan, M.Sc., P.Eng.  is the principal consultant and general manager of Advanced Geotechnology, (AG) a Weatherford company. AG is an international petroleum consulting, research and software development firm based in Calgary, Alberta, Canada that provides specialized geomechanics services to a world-wide clientele in wellbore stability, sand production and control, fracture stimulation, horizontal wells completions, formation damage, fractured reservoir characterization, caprock integrity, casing failures, in-situ monitoring, waste disposal, and numerical modeling. Pat is the co-developer of STABView, a state-of-the-art commercial software package for wellbore stability and sand production risk assessment, and ROCKSBank, a rock mechanics and petrophysical properties database. He received a B.Sc.(Eng.) in Geological Engineering from Queen's University in 1979 and M.Sc. in Civil Engineering (Geotechnical) in 1983 from the University of Alberta. He is a member of the Petroleum Society of CIM, SPE, AAPG, CSPG, CWLS, CHOA, CADE and APEGGA. He has presented or published over 120 technical papers and given more than 70 short courses on rock-mechanics related topics in Canada and abroad.
For more course information please contact us at  
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