Well Logging and Formation Evaluation

Introduction

This intensive 5-day professional course delves into the fundamentals and cutting-edge techniques of well logging and formation evaluation. Participants will gain a comprehensive understanding of data acquisition, data interpretation, and the application of various well logging methods in petroleum geoscience. Upon completion, attendees will be well-equipped to analyze and optimize subsurface reservoir characteristics to enhance oil and gas recovery.

Objectives

• Understand the fundamental principles of well logging and formation evaluation.
• Identify and utilize different types of well logs and their applications.
• Interpret logging data to ascertain reservoir characteristics effectively.
• Apply formation evaluation techniques to optimize hydrocarbon recovery.
• Integrate well logging data with geological and engineering data for enhanced decision-making.

Course Outlines

Day 1: Introduction to Well Logging

• Overview of well logging and its significance in the oil and gas industry.
• Types of well logs and their purposes.
• Basic principles and physics underlying well logging techniques.
• Log data acquisition and quality control.
• Introduction to key logging tools and equipment.

Day 2: Electrical Logging Methods

• Principles of electrical resistivity and conductivity in formations.
• Induction and laterolog tools and their applications.
• Spontaneous potential logs and their interpretation.
• Applications and limitations of electrical logging.
• Case studies on electrical log analysis.

Day 3: Nuclear and Acoustic Logging

• Introduction to nuclear logging: density and neutron logs.
• Application of gamma-ray logs in lithology identification.
• Principles and applications of acoustic and sonic logging.
• Porosity and permeability estimation using nuclear and acoustic logs.
• Hands-on session: Interpreting nuclear and acoustic logs.

Day 4: Petrophysical Evaluation and Interpretation

• Integrating well logs for comprehensive petrophysical analysis.
• Water saturation models and their applications.
• Identification of hydrocarbon zones through log interpretation.
• Cross-plot analysis and determination of reservoir properties.
• Workshop: Practical exercises in petrophysical evaluation.

Day 5: Advanced Techniques and Applications

• Advanced logging technologies: NMR and formation testers.
• Integration of well logs with seismic and reservoir data.
• Formation evaluation in unconventional reservoirs.
• Real-time data application in formation evaluation.
• Final assessment and course review.