Crude oil which can be referred to as petroleum or black gold is a big business. Refinery operators: refinery managers are the end users of petroleum. Petroleum is always in demand by refinery owners. Demand is high when the price of black gold goes up. Your black gold will be easy to sell if it is light crude oil. The higher cars a country has, the higher petroleum demand that country is likely to source for. The types of crude oil that sell very well are West Texas Intermediate, Basra and bonny light crude oil (BLCO) etc.
One of the leading agents that source for buyers of crude oil is Modo Oil Agency. Sometimes Modo Oil Agency has petroleum buyers in place to deliver to any intended seller.
The most direct way to trade crude oil is through futures and Exchange Traded Funds (ETF's). Futures, by definition mean that you're trading the price of oil months into the future at a later date. Crude futures trade 30 consecutive months plus long-dated futures initially listed 36, 48, 60, 72, and 84 months prior to delivery. Crude Futures trade in units of 1,000 U.S. barrels (42,000 gallons).
Options: One NYMEX Division light, sweet crude oil futures contract. This rarely happens as 90% of oil futures trades are closed out before delivery.
One of the immediate and more direct ways our lives are impacted by changes in the costs of crude oil is with petroleum products. Ancillary products like machine oils and oil blends for your engine may also be impacted by long term upward trends in prices.