Midstream operations link the upstream and downstream entities. Midstream operations mostly include resource transportation and storage, such as pipelines and gathering systems.

Midstream is a term used to describe one of the three major stages of oil and gas industry operations. Midstream activities include the processing, storing, transporting and marketing of oil, natural gas and natural gas liquids.

Breakdown of Midstream Midstream activities are commonly included as part of downstream operations for much of the oil and gas industry. The midstream and downstream activities take place after the initial production phase and through to the point of sale.