Course Description

The most universal, comprehensive, and concise descriptive documents on oil and gas wells are logs. They impact the work of almost every oilfield group from geologists to roustabouts to bankers. Familiarity with the purposes and optimum applications of well logs is, therefore, essential for people forging their careers in the oil business. Participants develop an appreciation for the constraints and limitations of operating in the borehole environment. A number of actual log examples are related to basic principles in the description of reservoir properties such as porosity, mineralogy, formation factor, saturation, and hydrocarbon type for essentially clean reservoirs. Cross-plotting and reconnaissance techniques quickly and efficiently discriminate between water, oil, and gas. Error minimization techniques, applicable only to computerized log analysis, produce optimal results. Participants gain realistic experience by working in teams on a comprehensive log interpretation exercise.

Course Goal

To enhance the participants’ knowledge, skills, and abilities necessary to understand the well- logging interpretation and to develop an appreciation for the constraints and limitations of operating in the borehole environment.

Course Objectives

By the end of this course, participant will be able to:

• Identify reservoirs.
• Determine mineralogy, porosity, and saturation in various lithogies.
• Recognize the importance of electrical properties of earth materials.
• Highlight oil mobility.
• Interpret pressure profiles.
• Develop optimum tools and logging programs.
• Apply quick-look methods of formation evaluation.

Who Can Benefit

Petrophysicists, geologists, geophysicists, engineers, technicians, or anyone interested in a solid understanding of the principles of borehole geophysics.