JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• Introduce the student to the theory and practices of improved oil recovery.
• Emphasize the potential of enhanced oil recovery methods in reservoir exploitation.

Course Outcomes :

• Understand the basic features and technical foundations of the most common EOR methods.
• Apply screening criteria to a given reservoir to select an optimum EOR method both technically and economically.
• Use rock, fluid and reservoir data to specify the process and operating parameters of an EOR method application.

UNIT - I

Introduction: Oil recovery processes. Gas injection: Introduction- Predictive performance- Gas injection in carbonate reservoirs- Inert gas injection- Candidates for gas injection.

UNIT - II

Miscible flooding: Introduction- Sweep efficiency- High pressure gas injection- Enriched gas drive- LPG slug drive- Predictive technique- Field applications. Carbon dioxide flooding: Process description- Field projects- CO2 sources- problem areas- designing a CO2 flood- Guidelines for selection of miscible CO2 projects- Immiscible CO2 flooding Conclusions. Polymer flooding: Introduction- Polyacrylamides chemistry- Application of PAM/AA in enhanced oil recovery- Factors affecting flow in porous media- Field considerations- Site factors- Field operation.

UNIT - III

Alkaline flooding: Introduction- Types of caustic used- Entrapment of residue oil- Displacement mechanisms in alkaline flooding- Crude oil properties-Alkali consumption- pH of injected caustic- Effect of sodium ions and sodium chloride. In-situ combustion technology: Introduction-Reservoir characteristics- Ignition- Ignition methods, Process In-situ Combustion- Use of In-situ Combustion- Current status of In-situ Combustion.

R16 B.TECH PETROLEUM ENGG.

UNIT - IV

Use of surfactants in oil recovery: Introduction- Classification of EOR surfactants- Mechanism of oil displacement by surfactant flooding- Ultra low interfacial tension in relation to oil displacement by surfactant flooding- Factors influencing oil recovery. Steam flooding for enhanced oil recovery: Introduction- Theory- Screening criteria for steam flood prospects- Reservoir rock and fluid properties- heat losses and formation heating- oil recovery calculations- An overview of steamflood modeling, parametric studies in steam flooding- Economics of the steam flooding process.

UNIT - V

Microbial enhanced oil recovery: Microorganisms- Historical development of microbial enhancement of oil recovery- Laboratory experiments show the potential of microbial enhancement oil recovery- Field application of microbial enhancement of oil recovery- Microbes associated with oilfield problems. Environmental factors associated with oil recovery: Introduction-Primary and secondary production-Chemical flooding-Micellar-polymer processes- Thermal processes- Gas flooding.

TEXT BOOKS:

• 1. Enhanced Oil Recovery: Processes and Operations, E. C. Donaldson, G. V. Chilingarian, T. F. Yew, Elsevier, 1998.
• 2. Enhanced Oil Recovery, Larry W. Lake, Prentice Hall, 1998.

REFERENCES:

• 1. Basic Concepts in Enhanced Oil Recovery Processes, Marc Baviere, SCI, 1991.
• 2. Enhanced Oil Recovery: Proceedings of the Third European Symposium on Enhanced Oil Recovery, F. John Fayers, Elsevier, 1981.
• 3. Enhanced Oil Recovery, Marcel Latil, Editions Technip, 1980.
• 4. Fundamentals of Enhanced Oil Recovery, H. R. Van Pollew and Associates, Penn Well, 1980.
• 5. Enhanced Recovery of Residual and Heavy Oil, M. M. Schumacher, Noyes Data Corp., 1980.
• 6. Applied Enhanced Oil Recovery, Aural Carcoane, Prentice Hall, 1992.
• 7. Recent Advances in Enhanced Oil and Gas Recovery, Istvan Laktos, Academy Kiado, 2001.
• 8. Enhanced Oil Recovery, Don W. Greew, G. Paul Willfite, Society of Petroleum Engineers, 1998.
• 9. Enhanced Oil Recovery: Field Planning and Development Strategies, Vladmir Alvarado, Eduardo Marriglee, Gulf Professional Publishing, 2010.
• 10. Modern Chemical Enhanced Oil Recovery: Theory and Practice, Gulf Professional Publishing, 2011.
• 11. Enhanced Oil Recovery, Teknica, Teknica Petroleum Services Ltd., 2001. R16 B.TECH PETROLEUM ENGG.