The Energy Consulting Group

A consultancy focused on the upstream oil and gas industry, and specializing oil and gas asset valuation, reserve definition and quantification, and in the development of fact based business strategies for E&P companies and service firms.

Our E&P specialized economic analysis tools, include sophisticated 3-product production modeling capabilities, geologic risking modules, and effortless scalability, allowing us to seamlessly transition the economics from individual wells, to pads, to projects, to company scale.  Our extensive experience in doing this type of work provides us with an in-depth understanding of operating and capex costs, royalty rates, oil and gas production(severance) taxes, property (ad valorem) taxes, country fiscal terms (including, amongst others Argentina, Russia, China, UK, Norway, Mexico, Australia, Indonesia, etc.)  Also, the program architecture is easily modifiable, allowing us to quickly and easily build a custom oil and gas economics analysis tool for any client, for any situation.
Our focus is to develop and implement strategies that are practical, durable and allow organizations to achieve their full potential. Our consultants have long histories of working closely with senior executive teams of firms of all sizes to help their companies not only be successful, but achieve performance that stands out relative to peers.

A key part of our approach is developing in-depth understanding of the activity trends in the industry. We use oil and gas well and rig counts, detailed infrastructure mapping (pipelines, process facilities, compression stations, etc.), supply/demand fundamentals, and thorough economic analysis to develop the fact base that senior executives can rely upon to develop and execute business strategies with confidence.


Contact us at to find out how we can help you.

Typical clients, include:

  • Producers: valuation, reserves, costs, fiscal terms, portfolio optimization, risked economic analysis, performance benchmarking, country risk

  • Service firms: product development, new product launches, competitor analysis, market sizing and growth

About Us

Bill Severns, founder and managing director of the Energy Consulting Group, on what differentiates ECG

  • We know the E&P industry: We have experience in all phases of the upstream industry, including exploration, major project developments, market fundamentals, new technology development and usage.
  • Proven Winners: our consultants apply the techniques, skills and experiences learned while working for acknowledged leaders in business and E&P strategy, such as, Bain (made famous by Mitt Romney), Cambridge Energy Research Associates (CERA) and other leading firms.
  • Independence: we have no agenda other than delivering the best strategies for our clients.
  • Practicality: we believe a key and often overlooked component to strategy development is practicality, so our consultants constantly factor implementation realities into the strategy crafting process.
  • Rigorous, fact based analysis: our consultants don't blindly accept conventional wisdom. They investigate and analyze until they have a fact base to support their insights and recommendations.An example is our global oil field database, which describes over 2100 major oil and gas projects from around the globe that have been or are being developed. We believe our North America frack and rig market analytical tools to be among the best in the industry, and allow us to help guide our clients through the ups and downs of those markets.
  • Tool kit: we use a variety of analytical tools to provide valuable insights. These include, but are not limited to, an extensive proprietary database of well and lease costs developed through our work for both oil and gas companies and private equity firms, and our in-house economic and decline curve analysis tools, which we believe to be among the best in the business, and which we use extensively for reserve determination, project/well economics and asset valuation,


  • E&P Economics, Strategy and Oil and Gas Property Valuations

  • Reserve Quantification, Classification, and Certification

  • Extensive and specialized expertise in the ongoing transformation of the oil and gas industry due to rapid advances in technology.

  • Oil and Gas Supply/Demand Fundamentals

    • County Level Map of US Drilling Activity

    • 2019 US Natural Gas Storage Levels Compared with 5 year history.  Graph is current thru January 2019

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    • US Oil Production thru January 2019

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    • US Oil Inventories thru January 2019

      Click on the graph for higher resolution image.

William Severns

Bill is the founder and managing director of The Energy Consulting Group. As a principal at Cambridge Energy Research Associates (CERA), and while at Bain & Co., he successfully led strategy efforts in the oil and gas, and other industries for firms ranging in size from start-ups to Fortune 500 firms. Prior to obtaining an MBA from MIT, he was an engineer and engineering manager for ARCO, where he initiated and led a wide range of projects in the North Sea
(One & Two), the front range of the US Rockies (coal bed methane), and in Indonesia (Offshore Bali).




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