This paper introduces three kinds of bacteria which are the most hazardous for oilfield water injection, namely sulfate reducing bacteria, iron bacteria and saprophytic bacteria.
Systems engineering has been widely applied in the oilfield exploitation and construction.
近年来，系统工程学在油田开发建设中应用广泛。
One partial solution to our energy problems lies not in the oilfield but in the cornfield, as nations increasingly replace some petroleum needs with bioenergy — fuel made from plants.
