PE25C01 Water Flooding and Enhanced Oil Recovery – Semester IV – Petrol – R-2025

Subject Code & Name: PE25C01 – Water Flooding and Enhanced Oil Recovery

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B. Tech. Petroleum Engineering (Petrol)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

• To enable the students to understand the basics of oil recovery methods in oil & gas Industry.

Full Unit-wise Syllabus

Unit I – Water Flooding

Mobility ratios, displacement efficiency, sweep efficiency, factors to consider in water flooding, optimum time to water flood, performance predictions using fractional flow and frontal advance equations and water sources. Oil displacement by water in a layered reservoir using Dykstra-Parson´s method.

Activities: Discuss the recent trends in water flooding from literature (SPE Communications)

Unit II – Introduction To Enhanced Oil Recovery (EOR)

Introduction and Overview of EOR methods and EOR status worldwide. Basic petro-physical properties; Permeability/porosity, Relative permeability, capillary pressure and residual oil saturation.

Activities: Development of physical models using poly urithin foam (Thermocoal)

Unit III – Types of Flooding

Chemical recovery methods – Polymer flooding – Surfactant flooding - Alkaline flooding – Hydrocarbon or Gas injection - Carbon dioxide (CO2) flooding – Nitrogen and flue gas flooding - Thermal recovery methods – fire flooding – steam flooding.

Activities: Construct a display chart comparing flooding methods

Unit IV – Mechanism Of Flooding

Mechanism of surfactant/polymer flooding - Mechanism of alkaline flooding - Mechanism of hydrocarbon miscible flooding – Mechanism of CO2 flooding - Mechanism of nitrogen and flue gas flooding – Mechanism of steam flooding.

Activities: Collection of literature by each individual student

Unit V – Testing And Methods

Criteria for chemical methods - Criteria for gas injection - criteria for thermal methods. Microbial EOR methods (MEOR), Laboratory design for EOR – Preliminary test – Water analysis – Oil analysis – Core testing – Viscosity testing.

Activities: Virtual videos / LabView demos

Course Outcomes (COs)

• CO1: Explain the principles of water flooding, displacement efficiency, sweep efficiency, and factors affecting oil recovery in reservoirs.
• CO2: Apply fractional flow, frontal advance equations, and reservoir engineering concepts to analyze water flooding performance.
• CO3: Analyze the mechanisms and performance of chemical, gas, and thermal enhanced oil recovery methods under different reservoir conditions.
• CO4: Evaluate the suitability of surfactant, polymer, alkaline, CO₂, hydrocarbon gas, nitrogen, and steam flooding techniques for improved oil recovery.
• CO5: Design laboratory testing and screening procedures for EOR applications, including fluid analysis, core testing, and microbial EOR evaluation.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 40% | End Semester Examinations 60%
• Internal methodology: Assignments (20%), Quiz / MCQs (20%), Solving of Competitive type exam questions (20%), Internal Examinations (40%)

Source: Official Anna University – B. Tech. Petroleum Engineering R-2025 Syllabus
Last Updated: October 2026