Heavy Oil Resources Evaluation, Development and Optimization
Cyclic Steam Stimulation (CSS) and Steam Flooding EOR Projects:
The seasoned thermal EOR consultants of the A&A Consulting Team, with extensive experience working on heavy oil resources evaluation, development and optimization projects in the United States, Canada, South America, and in other parts of the world, are available to help A&A clients on their challenging CSS and steam flooding projects, around the world, including, but not limited to:
1. Comprehensive Reservoir and Fluids Evaluation
- Detailed review of reservoir characteristics for thermal EOR screening
- Assessment of oil viscosity, thermal behavior, and CSS/steamflood suitability
- Evaluation of prior CSS/steamflood pilots, production performance, and injectivity constraints
- OOIP and mobile oil estimation for thermal recovery
- Heavy-oil PVT and viscosity–temperature characterization
- Net pay and steam-sweep continuity mapping
- Rock-fluid interaction and wettability analysis
- SCAL for thermal EOR (kr, Pc, Sor, thermal effects)
- Reservoir heterogeneity and flow-unit characterization
- Thief zone and shale barrier identification
- Initial thermal recovery factor estimation
- Heat capacity and thermal conductivity analysis
- Static and Dynamic model building for thermal simulation
2. Cyclic Steam Stimulation (CSS) Technical Services
- CSS cycle design and optimization (inject–soak–produce timing)
- Modeling of steam propagation, heated radius, and expected incremental oil
- Steam Additives selection and integration (Steam-foam, High-temperature surfactants, solvents)
- CSS economic evaluation and scenario ranking
- Field surveillance plan (pressures, steam-oil ratio, tracers, DTS options)
- Steam slug size and injection rate optimization
- Soak time and production cycle optimization
- Well-level CSS performance diagnostics
- Injectivity and productivity analysis
- Temperature and pressure transient interpretation
- Steam quality and dryness fraction evaluation
- Steam-oil ratio (SOR) reduction study
- CSS decline curve and production forecasting
- Workover and recompletion optimization
- Well ranking and CSS candidate screening
3. Steam flooding Project Support
- Conceptual and numerical modeling of steamflood performance using industry standard software
- Forecasting of sweep efficiency, conformance issues, and steam override
- Design of injectors and producers, pattern selection, and steam requirements
- Assessment of economic feasibility and steam generation infrastructure
- Pattern design and spacing optimization
- Injector–producer pairing and balancing
- Steam allocation and distribution modeling
- Steam front movement and breakthrough analysis
- Sweep efficiency and areal coverage mapping
- Pattern-level performance diagnostics
- Conversion strategy from CSS to steamflood
- Expansion area and infill well evaluation
- Recovery factor and plateau forecasting
- Full-field steamflood simulation
4. Steam Additives Screening & Modeling
- High-temperature surfactants (IFT reduction, wettability alteration)
- Steam-Foam systems for mobility control and sweep improvement
- Steam Additives integration into thermal simulation workflow
- Lab-test recommendations: foam stability, IFT, adsorption, wettability
- Solvent screening for viscosity reduction
- Foam for mobility and conformance control
- Surfactant and wettability modifier evaluation
- CO₂ or gas co-injection modeling
- Additive thermal stability and degradation analysis
- Additive transport and retention modeling
- Laboratory data interpretation and scaling
- Incremental oil recovery prediction
- Additive-assisted sweep efficiency analysis
- Economic ranking of additive options
5. Field Monitoring and Diagnostics
- Temperature log interpretation (if available)
- Thermal tracer test design (partitioning, non-partitioning)
- Indirect surveillance: GOR/SOR trends, injectivity, pressure response
- Recommendations for future thermal pilots
- Injection-production balance analysis
- Steam breakthrough and channeling detection
- Temperature profile and DTS interpretation
- Pattern heat efficiency and losses tracking
- SOR, WOR and energy efficiency surveillance
- Tracer and thermal interference analysis
- Well-by-well performance benchmarking
- Early-warning diagnostics for failures
- Surveillance-based optimization recommendations
- Integrated field performance dashboards
The seasoned thermal EOR consultants of the A&A Consulting Team are the expert users of industry standard software and technical tools, commonly used for conducting state-of-the-art thermal EOR studies, such as:
- CMG STARS: For thermal EOR reservoir simulation, and steam additives modeling
- ResFrac: For Hydraulic Fracturing and Enhanced Geothermal Systems (EGS) stimulation simulation
- Volsung / TOUGH2 / GEOPHIRES: For geothermal reservoir modeling
- Python, MATLAB: For automated analysis, sensitivity workflows
- CMOST: For optimization, uncertainty, and sensitivity studies
The seasoned thermal EOR consultants of the A&A Consulting Team are experts in providing the deliverables required for sound decision making and value to clients, including, but not limited to:
- Full technical studies (thermal EOR, CSS, steam flooding, geothermal)
- State-of-the-art simulation-driven decision support for field development planning (FDP)
- Steam Additives screening frameworks, lab-test design, and pilot recommendations
- Economic evaluation and risk assessment for development scenarios
- High-quality final reports and executive presentations
To put the high-level and seasoned thermal EOR consultants of the A&A Consulting Team to work on your company's challenging CSS and steam flooding EOR projects, around the world, please Contact Us.
To read how the A&A Consulting Team of high-level and seasoned consultants could help on your company's challenging geothermal/ Enhanced Geothermal Systems (EGS) projects, please click here.





