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Sproule Training



Cameron Six P.Eng.

Senior Petroleum Engineer

Cameron’s 16-year tenure at Sproule includes reserve and contingent resource evaluations, acquisitions, divestitures, security commission reports, reserve audits, and international property evaluations. Cameron is the former President and CEO of Sproule. Cam has provided expert witness testimony across the globe as well as support to legal teams for litigation purposes. Cam has also held various technical and management positions with Mobil Oil Canada and ExxonMobil Canada.


Barry Hanson P.Eng.

Senior Petroleum Engineer

Barry has been teaching with Sproule since 2017. He has over thirty-five years of industry experience, including five years of reserves and resource evaluation experience, with an emphasis on type curve analyses for Canadian and US unconventional assets.


Tamara Warren P. Eng.

Petroleum Engineer

Tamara has been teaching with Sproule since 2017. She has five years of experience with Western Canadian Sedimentary Basin reservoirs, estimating technical reserves and resources. She specializes in capital and operating costs for Canadian reserve evaluations.


Alec Kovaltchouk P. Geo.

Senior Geoscientist

Alec’s 26 year tenure as a Sproule professional included leading the Geoscience department at Sproule. He has over 32 years of industry experience in countries such as Argentina, Brazil, Canada, Colombia, the Czech Republic, Indonesia, Kazakhstan, Mexico, Poland, Romania, Russia (Dagestan, Siberia and the Volga-Ural region) and Ukraine. His worldwide experience includes conventional and unconventional oil and gas resources, including shale gas and shale oil, heavy oil and oil sands, and coal bed methane. Alec is fluent in English, Polish, Russian and Ukrainian.


Jeffrey Aldrich

Senior Geoscientist

Jeffrey (Jeff) Aldrich is a Senior Geoscientist with Sproule, a global energy consulting and advisory firm. He has over 35 years of global oil and gas experience working from frontier exploration through appraisal and large development projects. His expertise is in unconventional reservoirs, prospect evaluation, reserve determinations and multi-discipline and multi-culture team dynamics.

Prior to joining Sproule, he held various management and technical positions with Dart Energy, an Australian global unconventional gas company, Greenpark Energy, a UK CBM company, PetroSA, the South African national oil company, Forest Oil, Maxus Energy and Pennzoil Oil and Gas Company.

He has a BS in Geology from Vanderbilt University and an MS in Geology from Texas A&M University. He is an active member in the AAPG, SPE, RMAG, DWLS, DIPS and is a Certified Petroleum Geologist (#3791) and a licensed professional in Texas and Louisiana. He is author or co-author of over 30 papers and/or technical presentations.

Jeff currently teaches Sproule’s technical courses in collaboration with Petroskills.


John Seidle

Senior Reservoir Engineer

Dr. John Seidle is a Senior Reservoir Engineer with Sproule, a global energy consulting and advisory firm and has  40 years’ experience in unconventional reservoirs. His conventional and unconventional reservoir experience includes exploration, development, production optimization, and enhanced recovery projects in the USA, Canada, Australia, India, Poland, South Africa, Colombia, Turkey, United Kingdom, Mexico, China, Kazakhstan, and Mongolia. Dr. Seidle’s unconventional reservoir experience includes estimation of Reserves and Resources, economic evaluations for investors and A&D transactions, and expert witness testimony for litigation and regulatory agencies.

He has taught industry classes for over a decade. He has co-authored 30 technical papers, a monograph on coalbed methane reservoir engineering, and was editor and chapter author for SPEE Monograph 4 “Estimating Ultimate Recovery of Developed Wells in Low-Permeability Reservoirs”. John is a Registered Professional Engineer in Colorado, Oklahoma, and Wyoming and a member of SPE, SPEE, and AAPG. He received a PhD in Mechanical Engineering from the University of Colorado.

John currently teaches Sproule’s technical courses in collaboration with Petroskills.