Efran Savaramini

Fundamentals of Stress Shadowing Effects During Hydraulic Fracturing

This course, Fundamentals of Stress Shadowing Effects During Hydraulic Fracturing, offers an in-depth understanding of the mechanics behind stress shadowing phenomena in hydraulic fracturing operations. It begins with a comprehensive review of fracture mechanics principles, focusing on stress distribution around fractures and the implications of Sneddon’s solution. Learners explore stress shadowing impacts in different fracturing setups, including multi-stage and multi-cluster scenarios, emphasizing geometric non-uniformity. The course also delivers practical approaches to calculate fracture height using ISIP data and examines the effects of limited entry. Suitable for those involved in fracture design and optimization, it provides key insights into subsurface uncertainties and fracture behavior through field diagnostics and advanced analytical methods.

Who Should Take This Course
• Those optimizing fracture operations
• Engineers in completions and geoscience
• Professionals in hydraulic fracture design
• Specialists in geomechanics and petrophysics

What You Will Learn
• Fundamentals of fracture mechanics
• Impact of fracture geometry variations
• Stress shadowing in fracture propagation
• Techniques for fracture height calculation

Why This Course Works
• Optimize hydraulic fracturing design
• Improve economic efficiency of operations
• Understand subsurface stress distributions
• Address uncertainties in fracture behaviors

1.00 – Introduction (11 min.) 
1.01 – Distribution Of Stresses In An Infinite Plate (24 min.) 
1.02 – Illustration Of 3D Stress Field (22 min.) 

2.01 – Stress Shadowing In Multicluster Completions – Stage 1 (10 min.) 
2.02 – Duvernay Case Study Example (27 min.)
2.03 – Stress Shadowing In A Multi-Cluster Wellbore: Subsequent Stages (7 min.) 
2.04 – Stage By Stage Stress Shadowing Effects: Stress Escalation Theory (17 min.) 
2.05 – Late Or Dominant Fracture Growth Phase (6 min.)
2.06 – General Stress Escalation Solution (9 min.) 

3.01 – Fracture Propagation In Leakoff & Storage Dominated Regimes (13 min.) 
3.02 – Quantifying Fracture Half-Length & Height In Duvernay Case Study (17 min.) 
3.03 – Limiting Factors: Rock Heterogeneities Impact On Fracture Non-Uniformity (4 min.)

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