Screening of Oil Reservoirs for Enhanced Oil Recovery
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Program Professional Framework
Screening of Oil Reservoirs for Enhanced Oil Recovery
Program Overview
Selecting an enhanced oil recovery (EOR) method starts long before a pilot: reservoirs must be screened against the technical windows of each process to narrow a long list to a few viable options. This programme covers thermal, gas injection and chemical EOR mechanisms, published screening criteria such as those of Taber and co-workers, analogue field comparison, and the reservoir, fluid and facility data required. Emphasis is placed on carbonate reservoirs and CO2 injection, which are central to EOR and carbon management strategies in the Gulf.
Learning Outcomes
- ✓Explain the displacement mechanisms of thermal, miscible gas, immiscible gas and chemical EOR methods.
- ✓Compile a screening dataset covering oil gravity, viscosity, depth, temperature, permeability and salinity.
- ✓Apply published screening criteria to rank EOR methods for a given reservoir.
- ✓Estimate minimum miscibility pressure using correlations and assess its implication for CO2 or hydrocarbon gas injection.
- ✓Identify key uncertainties and the laboratory and pilot data needed to confirm a screening result.
Target Audience
- Reservoir engineers and reservoir simulation specialists
- Petroleum engineers in field development planning
- Geoscientists supporting EOR studies
- Asset managers evaluating recovery improvement options
Detailed Program Modules
01Recovery Stages and EOR Fundamentals
- Primary, secondary and tertiary recovery
- Microscopic and macroscopic displacement efficiency
- Mobility ratio and capillary number
02Gas Injection Methods
- Miscible and immiscible CO2 and hydrocarbon gas injection
- Minimum miscibility pressure estimation
- WAG schemes and gravity override
03Chemical EOR Methods
- Polymer flooding and viscosity control
- Surfactant and alkaline-surfactant-polymer processes
- Low-salinity water injection in carbonates
04Thermal EOR Methods
- Steam flooding and cyclic steam stimulation
- In-situ combustion principles
- Heavy oil applications and limits
05Screening Criteria and Analogues
- Published technical screening tables
- Analogue field databases and comparison
- Carbonate reservoir considerations
06From Screening to Pilot Decision
- Uncertainty ranking and data gaps
- Laboratory studies and simulation needs
- Pilot objectives, CO2 sourcing and CCUS linkage
Training Methodology
Applied Project & Assessment
Applied Project
Participants screen a case carbonate reservoir: compile the data sheet, apply screening criteria to all major EOR methods, estimate MMP for CO2, rank the top two options and outline the laboratory work and pilot design needed to confirm the recommendation.
Assessment
Short diagnostic at the start, practical tasks linked to each learning outcome, and evaluation of the applied project against published criteria.