In some cases in field of oil and gas We seek to extend fluids to the required conditions (ideal condition) Fluid should be exposed to the passage of several oil and gas equipments so the changes need to be done on fluid could make happen. These changes can include thermal changes, pressure changes and phase changes of the fluid , or even chemical changes on the fluid. The collection of these equipments that cause the changes on the fluid is been called Package.

Package can include some Air Coolers, Pressure vessels, Heat Exchangers and Chillers that work together to make some changes on the fluid. Mostly these collections are used in the oil and gas industries and case of oil and gas wells drilling.