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.

沥类处理剂在山前钻井中的防塌作用要,应用广,但由于其基质沥的复杂性及由于各种改性手段的应用,使沥类处理剂的室内评价指标与现场应用效果难以统一。