Zanieczyszczenia w ściekach wiertniczych i zbiorczych składowiskach odpadów oraz efekty ich usuwania

Management of drilling waste waters, which is the first stage of reserve pit closing up is often difficult because of significant concentration of different contaminants. In many cases, but not always, good results in drilling waste waters cleaning are achieved by using coagulation and flocculation. In this paper the results of investigation on drilling waste waters cleaning are presented, together with the characteristics of drilling waste waters produced during drillings with different drillings mud as well as assessment of effectiveness of their cleaning.