Application of the purified drilling fluid in in-situ leaching drill hole

Taking the waste drilling fluid from one in-situ leaching uranium mine drilling process in Xinjiang as the research object, through the introduction of drilling fluid purification technology, combined with the drilling construction purification of the waste drilling fluid and the analysis of recycling effect of purified drilling fluid, drilling fluid emissions quantity is greatly reduced and its environmental pollution is reduced too. The study provides some theoretical foundations and practical experience for the recycling of drilling fluid in situ leaching drill hole. (authors)