The new finding of two beds quartzitic conglomerate in the Ertix piedmont is sedimentary response with Altay nappe structure.

在额尔齐斯山地带新发现两套石英质砾岩，是阿尔泰推覆构造的沉积响应。

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.

处理剂在山钻井中的防越来越重要,应越来越广泛,但由于其基质成分的复杂性及由于各种改性手段的应,使处理剂的室内评价指标与现场应效果越来越难以统一。