Associated Gas 4 : The natural gas which occurs with crude oil. It may be free or dissolved. When it occurs as free gas, it may be called unassociated gas
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}