kerite

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作越来越重要,越来越广泛,其基质沥青成分的复杂及各种改手段的,沥青类处理剂的室内评价指标与现场效果越来越难以统一。