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Advanced Recovery Methods - training course
The physics governing the effectiveness of various recovery methods: polymer flooding, microbial enhanced oil recovery, deep diversion technology (gels of different kinds), surfactant flooding, low salinity water flooding, gas injection, water-alternating-gas (WAG) and Foam-Assisted-WAG; is illustrated in relation to experiments and simple modeling. The methods (mechanism) and applicable conditions (simple screening criteria) are presented together with field examples if available; the course covers a staged approach to understand the potential of Advanced Recovery methods in various situations. The methodology is also illustrated with the application to different reservoir situations. The uncertainty of predictions and the economic benefit of various schemes are also discussed.
This is a three-day classroom-based course with worked examples, case studies, exercises and discussion. The course includes micro-scale examples to see practical illustrations of the important physical processes. Participants will have the opportunity to bring their own reservoir data to discuss the potential of alternative strategies.
Suitability - Who should attend?
The course is designed for mid to senior level engineers, production geoscientists and subsurface managers.
A desire to understand the basic physics of Advanced Recovery, including the treatment of economics and uncertainty is required. Familiarity with some reservoir engineering concepts and terminology is assumed.
Outcome / Qualification etc.
Participants will learn to:
- Evaluate the physics governing the effectiveness of various recovery methods.
- Appraise simple laboratory scale experiments.
- Evaluate the impact of various geological settings by reference to first order modelling assumptions.
- Screen out non-viable Advanced Recovery schemes using the binary indicator method.
- Assemble and perform analytical performance indicator screening tools.
- Evaluate the uncertainty of potential methods due to geological variability.
- Design and evaluate the economic benefit of a potential Advanced Recovery schemes.
Participants will also have gained a fundamental understanding of the physical processes of fluid-flow that underpins the approach.
Training Course Content
- What are the challenges of recovering Oil and Gas?
- The need to understand the physics of fluid-flow
- The impact of the geological setting
- The economics of the various schemes
2. Physics of Enhanced Oil and Gas Recovery schemes
- Using 1st order modelling tools to understand fluid-flow in heterogeneous reservoirs
- Impact of low permeability barriers and high permeability thief zones
- What happens when fluids come into contact with baffles that disperse flow; acid formation and dissolution and precipitation
- Motion of a buoyant plume of CO2
3. Preliminary Screening
- Reservoir properties, e.g., the Depth, Net Thickness, Dip, Lithology, Fracture Intensity, Vertical Heterogeneity, Lateral Heterogeneity, etc.
- Fluid/reservoir properties, e.g., Horizontal Permeability, Porosity, Temperature, Oil Gravity, Oil Viscosity, Acid number
- Development properties, e.g., initial and current pressure, Oil Saturation, Well Spacing, Aquifer strength, Gas cap size
- Determine whether the potential scheme, e.g., polymer flooding, microbial enhanced oil recovery, deep diversion technology (gels of different kinds), surfactant flooding, low salinity water flooding, gas injection, water-alternating-gas (WAG) and Foam-Assisted-WAG, can immediately be excluded
4. Screening: estimated performance based upon:
- Classical reservoir engineering techniques
- Layer cake model
- Gravity viscous balance
- Sweep efficiencies
- Miscibility pressures
5. Impact of differing geologies
- Experience and judgement
6. Field Examples (depending upon availability)
- Polymer injection test at Heidrun field (Statoil)
- Sodium silicate system for water diverging at the Snorre field (Statoil)
- Dukhan Arab – C multiple tracer test (BP/QGPC)
- CO2 Injection Screening of Abu Dhabi Onshore Oil Reservoirs (ADNOC)
- JPT studies on the efficacy of EOR methods
7. Uncertainty Analysis
- Analysis of the performance indicators given distributions for reservoir properties
- The use of tracer and pilot tests to examine the geological heterogeneity prior to going ahead with field-scale implementation
- Techniques to estimate the probability and impact of the potential of Enhanced Oil and Gas Recovery schemes
8. Cost/Benefit Analysis
- Economic benefit of Advanced Recovery schemes illustrated with worked examples
The cost of this training course is GBP 1929 per delegate.
Nautilus can also deliver this training course on an in-house basis, helping your staff achieve their professional development goals. With a customised, In-House Training solution, you can tailor the course content to individual company requirements by incorporating your data, your software, or specific case studies.
Over the past 17 years Nautilus has developed a portfolio of world-class training courses for professionals in the energy industry. Acquired by the RPS Group in March 2011, Nautilus is now part of the Energy division of RPS. Starting from six...