Practical Energy Education Built on Industry Expertise

Energy Lessons delivers clear, engaging video courses that make complex energy topics easy to understand. Whether you're new to the industry or building on existing expertise, our content is designed to inform, sharpen, and expand your knowledge.

Backed by PennWell Books—a trusted source of energy industry publications since 1970—Energy Lessons transforms authoritative book content into structured, easy-to-follow video training.

Our courses feature experienced industry professionals who break down real-world concepts with clarity and practical insight. From foundational topics to advanced applications, Energy Lessons supports skill development, cross-disciplinary learning, and day-to-day problem solving—making it a valuable resource for professionals, teams, and classroom environments alike.

Petroleum Refining in Nontechnical Language - All 10 Videos

Subscribe today to gain a basic understanding of the refining industry in simple, easy-to-understand language. Watch Chapter 1 for free!

Dr. William Leffler transforms the challenging subject of the refining process into an informative and engaging journey! You'll be expertly guided from start to finish, with clear and concise explanations of all key concepts in the petroleum refining industry—even if you're a complete novice!

The features & benefits include:
Clear Explanations: Understand all the essential points of refining with ease.
Foundational Knowledge: Gain a basic understanding of the refining industry through simple, accessible language.
Comprehensive Overview: Explore key refining topics with relevant analogies, easy-to-understand graphs, formulas, and illustrations.
In-Depth Lectures: Benefit from about four hours of detailed instruction.

Practical Energy Education

  • PETROLEUM REFINING IN NONTECHNICAL LANGUAGE - SET

    10 videos

    Gain a clear, practical understanding of petroleum refining—presented in straightforward, nontechnical language. This complete 10-lesson video series guides you through the full refining process from crude oil to finished products.

    Includes all 10 lessons:

    1. History, Oil Patch to Refinery & Cr...

  • HISTORY / OIL PATCH TO REFINERY / CRUDE OIL

    1 video

    Dr. William Leffler outlines the history of the petroleum industry, its milestones and accomplishments. Then Dr. Leffler provides an overview of how the oil gets from the oil patch to the refinery. He concludes by explaining the composition of crude oil and discussing the qualities and characteri...

  • DISTILLING / VACUUM FLASHING

    1 video

    Dr. William L. Leffler takes you inside the refinery to explain how crude oil is separated into its key components through distillation. He then introduces vacuum flashing, showing how refiners further separate heavier fractions to maximize product recovery.

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