The basic idea of a cistern water system, which collects and stores water in or near a home, goes back centuries. In some parts of Western Asia, archeologists discovered lime plaster cisterns in the ...

A waterflood pressurizes the reservoir and sweeps oil toward producers by injecting treated water into designated injection wells. It is the workhorse of secondary recovery, extending plateau rates, ...

Does your drinking water come from fresh rain that regularly falls near your city, or from an ancient groundwater reserve in a neighbouring country that’s nearing depletion? Understanding the source ...