(n.) Geology. The movement of generated hydrocarbons into a reservoir after their expulsion, or primary migration, from a source rock. See: Generation, Hydrocarbon, Migration, Primary Migration, Reservoir, Source Rock
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}