Petroleum or crude oil - a naturally occurring, odorous, yellow-to-black liquid consisting of a complex mixture of hydrocarbons of various molecular weights and

Energy companies conduct business in every corner of the globe, with a diverse global workforce crossing many cultural lines.  The key players

A petroleum reservoir, or oil and gas reservoir, is a pool of hydrocarbons (such as crude oil and natural gas)

Artificial Lift - artificial means to increase the flow of crude oil from a production well. Generally this is achieved

The Upstream Industry finds and produces crude oil and natural gas.  It is sometimes known as the exploration and production