Abiogenic Theory : A theory of petroleum generation in which petroleum is thought to have formed from hydrocarbons trapped inside the earth's crust when the earth was forming. See: Biogenic and Organic theories
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}