(Mr. Dillon has now retired from providing professional services.)

Mr. David K. Dillon was the principal of David K. Dillon PE, LLC, a petroleum engineering consulting firm located in Centennial, CO. He holds a B.S. degree in Civil Engineering from the University of Colorado at Boulder (1974). He is a retired professional engineer in Colorado (#19171) and Wyoming (#12530), and has been a member of the Society of Petroleum Engineers for over 40 years. Before starting his career as a consulting engineer, Mr. Dillon worked in the private oil and gas industry for 20 years as a drilling engineer, a production engineer, and a reservoir engineer. He has extensive experience in optimizing production from existing oil and gas fields, secondary recovery operations, and the calculation of oil and gas reserves.

Mr. Dillon was also an Engineering Supervisor and the Engineering Manager for the Colorado Oil and Gas Conservation Commission for over 15 years. The Colorado Oil and Gas Conservation Commission is the regulating body for oil and gas drilling and production in the State of Colorado. As the Engineering Manager he was instrumental in the drafting and adoption of new rules by the Commission and the review and approval of underground injection permits for the State of Colorado. Mr. Dillon has provided expert testimony before the Oil and Gas Commissions of several states.

Special Experience

  • In 2010, Mr. Dillon was one of 84 candidates considered for the Scientific Advisory Board Panel to provide independent expert advice to the Environmental Protection Agency on hydraulic fracturing.
  • In 2011, Mr. Dillon served on the "Committee on Induced Seismicity Potential in Energy Technologies" of the National Research Council. This committee examined "the potential impacts of induced seismicity related to fluid injection in the development and production of energy" and published a report available through the National Academy of Sciences.
  • In 2013, Mr. Dillon was a member of a twelve person team contracted by the Republic of Colombia to write specifications regulating shale development. Mr. Dillon specifically wrote the technical regulations governing wellbore construction and hydraulic fracturing.
  • In 2014, Mr. Dillon helped review, edit, and finalize the Wyoming Oil and Gas Conservation Commission report on the "Pavillion Field Well Integrity Review."