After crude oil or natural gas are produced at the well, additional processing and transportation must occur before the product is used by subsequent consumers.
In the case of crude oil, processing is required to separate the oil from any produced water, sand and natural gas. Clean oil is then transported to a refinery either by pipeline or by ship where it is further processed into end-user products. Produced water is either reinjected into the reservoir to support pressure or is disposed of at a specialized facility.
After natural gas is produced, it is transported by pipeline to a processing facility where the raw gas is cleaned and impurities such as water, carbon dioxide, and hydrogen sulfide are removed. If required, the gas is then compressed to higher pressure to enable it to enter the gas grid. Natural gas that has undergone this processing is referred to as dry natural gas.