UNIVERSITY OF MADRAS
B.Sc. DEGREE COURSE IN GEOPHYSICS
SEMESTER SYSTEM WITH CREDITS
(Effective from the Academic Year 2003-2004)

SYLLABUS

Semester VI - Paper XII - Well Logging and Integrated Geophysical Methods

Duration: 3 hrs
Maximum Marks: 100
Credits: 4

Unit I

Introduction to well logging, conditions of measurements - bore hole diameter, filtrate invasion, various types of logging techniques. importance and need of well logging technique.

Unit II

Spontaneous Polarization Logging - Membrance Potential , Electro-kinetic Component of SP, Shape of SP curves and detemination of formation boundaries, determination of salinity of formation water from the SP logs.

Unit III

Resistivity logging - Conventional sondes, electrical resistance, single electrode euipment. multi-electrode equipment, potential and gradient sondes, direct and reverse sondes, response of potential and gradient sondes over thin and thick beds, application and limitations of Resistivity logging.

Unit IV

Principles and applications of natural gamma logging, gamma gamma (density) logging, neutron - neutorn logging, caliper and fluid Resistivity logging - Application of logging techniques in solving ground water and mineral exploration related problems.

Unit V

Integration of geophysical methods, need for integration, process of integration - advantages of integration - case studies of integrated geophysical investigations for mineral exploration and ground water related problems.

Books Recommended

1. Outlies of Geophysical Prospecting - A manual for Geoologists by Ramachanra Rao, M.B., Prasaranga, university of Mysore, Mysore 1975.

2. Exploration Geophysics - An Outline by Bhimasankaram V.L.S., Association of Exploration Geophysicists, Osmania University, Hyderbad, 1990.

3. An introduction to Geophysical Prospecting by Dobrin M.B, McGraw hill, New Delhi, 1984

4. Applied Geophysics by Telford W.M, Geldart l.P, Sheriff R.E and Keys D.A, Oxford and IBH Publishing Co.Pvt. Ltd., New Delhi, 1976.