Uses

• While these tanks are of course used to store water, they are also used to store other substances. These include brine and oil, as sometimes these containers are used as secondary containment systems for oil in emergencies.
  
  

Dimensions

• A typical oil field water tank is 8 feet in height, 8 feet in width and 44 feet in length. They are usually in the shape of a rectangular prism.
  
  

Capacity

• The capacity of an oil field water tank is 500 barrels of oil (BBL). A barrel of oil contains 42 U.S. gallons. The capacity of a typical oil field water tank is 21,000 U.S. gallons.