Subject Code & Name: PE25304 – Petroleum Geology
Regulation: R-2025
Semester: III (Third Semester)
Branch: B. Tech. Petroleum Engineering (Petrol)
Credits / L-T-P: 4 Credits | L-T-P: 3-0-2
Course Objectives
- This is a basic course in petroleum geology.
- The students will be exposed to different source, reservoir and cap-rocks, characterization of reservoir rocks, classification of reservoir pore space, permeability, migration and entrapment, temperature-pressure conditions for the generation of oil and gas from sediments.
Full Unit-wise Syllabus
Unit I – Source Rocks
Definition of source rock, Organic rich sediments as source rocks, Nature and type of source rocks - Claystone / shale, The process of diagenesis, catagenesis and metagenesis in the formation of source rocks, Evaluation of petroleum source rock potential, Limestone as source rocks, Subsurface pressure temperature conditions for the generation of oil and gas from the source sediments, Oil window.
Practical: Calculation of True and Apparent Dip, Estimation of Thickness, Distance and Depth of the ore body.
Activities: Identification of rock types
Unit II – Reservoir Rocks and Reservoir Properties
Characteristics of Reservoir rocks, Classification and nomenclature: Clastic Reservoir Rocks, Carbonate Reservoir Rocks, Unconventional, Fractured and Miscellaneous reservoir rocks, Marine and non-marine reservoir rocks, Concept of Shale oil Reservoir pore space, porosity- primary and secondary porosity, effective porosity, fracture porosity - permeability – effective and relative permeability relationship between porosity, permeability and texture.
Practical: Identification of important sedimentary rocks in hand specimen. Identification of important sedimentary rocks in microscopic level
Activities: Numerical estimation of porosity and permeability
Unit III – Cap Rocks and Hydrocarbon Migration
Definition and characteristics of cap rocks, The concept of hydrocarbon migration from source beds to the carrier beds, Carrier beds to the reservoir, Free path ways for migration, short distance and long-distance migration, Evidence for migration, Oil and gas seepages.
Unit IV – Entrapment of Hydrocarbons
Entrapment and accumulation of hydrocarbons, Classification and types of traps: Structural, stratigraphic and combination type of traps, Traps associated with salt domes.
Practical: Estimation of Throw and Nature of the fault
Unit V – Sedimentary Basins
Introduction to plate tectonics, Sedimentary basins -origin and classification, Types of basins and their relationship to hydrocarbon prospects, Tectonic classification.
Practical: Interpretation of surface Geology using contour maps.
Course Outcomes (COs)
- CO1: Understand the origin, classification characteristics, pore structure, and porosity of source and reservoir rocks relevant to petroleum systems.
- CO2: Identify and classify different source rocks and evaluate their potential for hydrocarbon generation.
- CO3: Analyze hydrocarbon migration, entrapment, and accumulation processes within petroleum reservoirs.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 50% | End Semester Examinations 50%
- Internal methodology: Assignments (20%), Experimental data analysis and design calculations (20%), Quiz/MCQs (20%), Internal Examinations (40%)
Source: Official Anna University – B. Tech. Petroleum Engineering R-2025 Curriculum
Last Updated: September 2026
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