Subject Code & Name: PC25301 – Petroleum Exploration and Oil Recovery Technology
Regulation: R-2025
Semester: III (Third Semester)
Branch: B.Tech. Petrochemical Technology (Petrochem)
Credits / L-T-P: 3 Credits | L-T-P: 3-0-0
Course Objectives
- The course provides a comprehensive foundation in petroleum systems, covering the origin, occurrence, and characteristics of reservoir formations along with exploration, reserve estimation, and formation evaluation techniques.
- It also develops understanding of drilling, completion, and crude oil recovery methods, including associated operational challenges and their mitigation.
Full Unit-wise Syllabus
Unit I – Petroleum Formations and Sedimentary Environment
Types of rocks and rock cycle – Organic, Inorganic and Modern theory on crude oil origin - Formation of petroleum - Important factors that control petroleum occurrence – Source rocks, Reservoir rocks and Cap rocks - Factors influences the physical characteristics of a reservoir - Migration and Accumulation – Porosity, Types of porosity, Factors influencing porosity, Permeability and its classifications - Various Traps and Faults and its classifications.
Activities: Rock Identification. Create simple 3D digital Fault and Trap Models using AI tools. Video creation and Mobile App development related to these topics.
Unit II – Exploration Methods and Reserve Estimations
Geological exploration methods – Geophysical exploration methods, Gravity, Magnetic and Seismic methods – Geochemical exploration methods – Reserve estimation methods - Prognostication – Economic analysis – Classification of drilling wells – Well programme – Geo- Technical order.
Activities: Gravity and Magnetic Data Interpretation – Analyze sample data to infer subsurface structures. Reserve Estimation Exercise. Case study related to Economic Feasibility Study and Well Programme. Video creation and Mobile App development related to these topics.
Unit III – Well Logging Techniques
Rock cutting and core collection techniques – Symbols used to represent rocks and wells in logging, Sample logging, Drilling time logging, Mud/Gas/Oil logging – Formation evaluation techniques using wire line well logging including – Spontaneous potential logging, Natural gamma ray logging, Caliber logging, Formation density logging, Neutron porosity logging, Sonic velocity logging, Electrical resistance logging.
Activities: Wire-line Logging Chart Creation – Compile a chart on all types of wireline well logging tools / Compile a chart of well completions with pros/cons. Video creation and Mobile App development related to these topics.
Unit IV – Drilling Technology and Work Completion
Drilling Technology, Rotary drilling – Types of off-shore drilling rigs – Drilling Fluids: Function, Composition, and Classification – Casing packs – Cementing – Bottom hole completion methods: open hole completion, gravel pack completion, Liner completion and perforated cased hole completion – Surface well completion method.
Activities: Identify different visuals of exploration tools, techniques and parts of major drilling rig components and off-shore drilling rigs. Video creation and Mobile App development related to these topics.
Unit V – Crude Oil Recovery Techniques
Primary oil recovery: Self recovery, Artificial recovery, Various stimulation methods. Secondary oil recovery and Tertiary oil recovery – Enhanced oil recovery techniques: Chemical, miscible gas and thermal method – Major well complication and Remedies.
Activities: Group Discussion for or against different EOR methods. Case Study to select appropriate enhanced oil recovery methods. Video creation and Mobile App development related to these topics.
Course Outcomes (COs)
- CO1: Hydrocarbon formation, reservoir characteristics exploration methods, drilling operations, and recovery processes.
- CO2: Apply geological, geophysical, logging, drilling, and reservoir engineering principles for hydrocarbon exploration and reservoir evaluation.
- CO3: Analyze reservoir properties, well logs, drilling data, and production parameters to identify hydrocarbon zones and assess reservoir performance.
- CO4: Evaluate exploration strategies, well completion methods, and recovery techniques for technical and economic feasibility.
- CO5: Design integrated petroleum development plans incorporating exploration, drilling, reservoir management and enhanced recovery techniques.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 40% | End Semester Examinations 60%
- Internal methodology: Assessment – I = 35%; Assessment – II = 35% ; Activities = 30%, Total = 100%
Source: Official Anna University – B.Tech. Petrochemical Technology R-2025 Curriculum
Last Updated: September 2026
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