Pump jacks, also known as beam pumps, play a crucial role in extracting crude oil from reservoirs where natural pressure is ...

This story was produced in partnership with the Pulitzer Center. It is part three in a four-part series. Read part one here ...

U.S. energy firms this week kept the number of oil and natural gas rigs operating unchanged, energy services firm Baker ...

With a better efficiency, reliability, and suitability for wide applications in industries such as water & wastewater, oil & gas, and chemical processing, electric pumps hold the largest share of ...