Nowadays, a modern refinery has a throughput of billions of US dollars per year in the gas and diesel market. Tight oil refining margins and stringent product quality requirements make it more difficult for oil refiners to produce petroleum at low prices. Several refineries are spending a large portion of their resources on product blending. Offsite production and maintenance are of vital importance to a refinery s economy and viability. Critical changes in the control and management of offsite operations can be accomplished by automation of refinery offsite, often with less than two years’ payback. This topic will discuss the benefits of offsite refinery operations. For example, terminal operations, material movement, tank farm management, product blending, crude blending, return on investment, benefits versus start-up time, etc.