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Introduction to Reservoir Engineering Instructor: Dr. H. Rabia or Alternative One week course Course Content • Introduction• Subsurface Pressures • Why understanding pressures is so important • Fundamentals of normally pressured, overpressured and underpressured formations • Overpressures and how to detect them • Overpressures due to hydrocarbons • Reservoir Drive mechanisms (primary and secondary recovery) • Logging whilst drilling (LWD) • Reservoir Rock Properties • Porosity • Permeability (absolute, Kv, Kh, problems of averaging,) • Capillary Pressure • Effective and relative permeability • Mobility ratio & the concept of immiscible displacement • Well Testing • RFT & MDT - mechanics, theory, application and interpretation in exploration and development • DST - mechanics, theory, application and interpretation (introduction) • DST – productivity testing, introduction to transient flow testing, flow regime concept • Quantitative radial flow analysis for reservoir properties, skin • Quantitative radial flow analysis for reservoir properties, skin (continued) • Recognising reservoir boundaries and depletion, well testing quiz • Reservoir Fluid properties • Sampling of reservoir fluids • Petroleum types and properties • Fluid behaviour in the reservoir (bubble point, dew point, etc) and its implications for field development • Concepts in field appraisal and development • Overview of objectives in appraisal and development programs • One phase and two phase expansion, gravity drainage, water drive, rock compressibility. • Concept of depletion • Pressure support mechanisms (water injection, gas reinjection etc) • Recovery factors • Factors that control them and ways to estimate them (analytical techniques, reservoir simulation) • Overview of displacement theory, effect of reservoir heterogeneity • Enhanced Oil Recovery • Artificial Lift & Reservoir Stimulation • Types of reservoir stimulation |
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