Applied Geomechanics for Reservoir & Depleted Field Management
To provide participants with a comprehensive and practical understanding of geomechanics, from fundamental rock mechanics to advanced reservoir applications, enabling them to analyze subsurface stress conditions, evaluate depletion effects, and apply geomechanical principles to support safe and optimized field development and production operations.
A. Geology Course/Petroleum Geology
5 days
Skilled
Classroom
Hari 1
Fundamentals of Rock Mechanics
Participants will build a strong foundation in rock mechanics, including:
- Stress–strain concepts
- Stress tensor and principal stresses
- Mohr’s Circle
- Rock mechanical behavior (elastic, plastic, viscous)
- Rock strength parameters (UCS, cohesion, friction angle)
- Introduction to laboratory testing:
- Uniaxial compression
- Triaxial testing
Hari 2
Pore Pressure & In-Situ Stress
Focus on subsurface pressure and stress conditions:
- Origin of pore pressure (normal, overpressure, underpressure)
- Pressure prediction methods
- Stress regime analysis (normal, strike-slip, reverse faulting)
- Estimation of vertical and horizontal stresses
- Image log interpretation:
- Wellbore breakouts
- Drilling-induced fractures
Hari 3
Structural Geomodeling & Geomechanical Earth Model (MEM)
Integration of geological and geophysical data into models:
- Structural geomodeling concepts
- Data integration (seismic, well logs, core data)
- Building structural frameworks
- Introduction to Mechanical Earth Model (MEM)
- Model validation and quality control
Hari 4
Reservoir Geomechanics & Depletion
Core focus on production-related geomechanics:
- Stress evolution during reservoir depletion
- Reservoir compaction and subsidence
- Changes in pore pressure and effective stress
- Fault reactivation risks
- Wellbore instability in depleted reservoirs
Impact on drilling, completion, and production
DAY 5
Field Applications & Mitigation Strategies
Application of geomechanics in real operations:
- Hydraulic fracturing fundamentals
- DFIT (Diagnostic Fracture Injection Test)
- Role of natural fractures in production
- Fracture containment and stress barriers
- Practical case studies and field applications
Laboratory Visit: Geomechanical Rock Testing & Practical
Participants will visit a geomechanics laboratory to observe and understand real testing workflows, including:
1.Rock Mechanical Testing Demonstration
- Uniaxial Compressive Strength (UCS) Test
- Triaxial Compression Test (simulation of subsurface stress conditions)
- Stress–strain behavior observation
2.Rock Property Measurement
- Young’s Modulus & Poisson’s Ratio determination
- Cohesion and friction angle estimation
- Brittleness index evaluation
3.Special Core Analysis (SCAL) Related to Geomechanics
- Rock failure analysis
- Sample preparation and testing procedures
- Discussion on data quality and uncertainty
4.Integration with Subsurface Modeling
- How lab results are used in:
- Mechanical Earth Model (MEM)
- Wellbore stability analysis
- Hydraulic fracturing design
- Correlation between lab data and well log-derived properties
5.Interactive Session with Laboratory Experts
- Q&A on testing limitations and challenges
- Case discussion: lab vs field data discrepancies
- Best practices in geomechanics data acquisition
Prof. Dr. Ir. Aris Buntoro, MT., IPU.
He’s a senior lecturer and petroleum engineering expert with more than 25 years of experience in the upstream oil and gas industry, specializing in geomechanics, drilling engineering, and unconventional resources, with extensive involvement in academic teaching, research publications, and leadership of major industry projects including reservoir studies, geomechanical analysis, and field development initiatives.
Ir. Allen Haryanto Lukmana, S.T., M.T., IPM., CIIQA.
He’s is a petroleum engineering lecturer and geomechanics specialist with more than 12 years of professional experience (since 2013) in drilling engineering and geomechanical studies, actively involved in industry projects such as wellbore stability, pore pressure prediction, reservoir geomechanics modeling (1D–3D), geothermal drilling planning, and machine learning-based drilling optimization, while also contributing to academia through teaching and research at Universitas Pembangunan Nasional “Veteran” Yogyakarta.
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