fly ash

The methods of foaming well-flushing Changqing Oilfield has been using in recent years play an active part in the increase and stability of crude oil production.

长庆油田近年来开展的泡沫洗井措施,对原油的增产、稳产起到了积极的作用,该措施的施工质量也越来越受到关注和重视。