Milkov, Alexei V.
Schwietzke, Stefan
Allen, Grant
Sherwood, Owen A.
Etiope, Giuseppe
Article History
Received: 6 December 2019
Accepted: 19 February 2020
First Online: 6 March 2020
Change Date: 20 August 2021
Change Type: Update
Change Details: The original online version of this Article was revised: In the original version of this Article a Supplementary Information file was omitted. The Supplementary Information file now accompanies the original Article.
Competing interests
: A.V.M. worked in petroleum industry (BP, Sasol and Murphy Oil) for 13 years as geoscientists and manager. He is Director of Potential Gas Agency (PGA) at Colorado School of Mines, and PGA receives financial support from oil&gas companies, gas pipeline companies and distributors, and trade associations. He also regularly teaches technical courses at oil&gas companies and consults them on the issues of petroleum geochemistry and petroleum exploration. The other authors do not have any competing interest.