Oil fields are certain areas of land or seabed that are used to extract mineral oil for commercial use. The metal used in oilfields is Titanium as it is highly versatile and most valuable, especially in the oil and marine industries. Titanium can withstand harsh conditions like seawater, excess carbon dioxide and corrosion caused by hydrogen sulfides. Steel and Steel alloys also play an important role in oil and marine industries because of its durability. Copper and its alloys are also an important part of these industries and are often used in valves and seals.