«Environmental protection in oil and gas complex»

Agrochemical properties of drilling mud deposits of Khanty-Mansiysk Autonomous District – Yugra (KhMAD-Yugra)

UDC: 502.36-631.4
DOI: -

Authors:

¹ V.V. Dokuchaev Soil Institute, Moscow, Russia
² LUKOIL, Moscow, Russia

Keywords: reaction of the medium, mobile phosphorus, exchangeable potassium, cation exchange capacity, organic matter, drilling sludge, fertilizer, assessment of fertilizer value, Khanty-Mansiysk Autonomous District–Yugra (KhMAD-Yugra)

Annotation:

The article presents the results of the study of drilling mud (DM) agrochemical properties from the fields of PJSC “LUKOIL–Western Siberia”, obtained from 30 samples of oil and gas deposits in 2016–2018. It was revealed that DM was characterized by a "very poor" and "poor" degree of organic matter availability (16 samples out of 20). At the same time, it is shown that this indicator can be improved by additional peat introduction, which will lead to an increase of DM provision by gross nitrogen, the deficiency of which makes 83,3 % of the total number of samples. It is shown that the degree of availability of DM with mobile phosphorus in most samples was estimated as "very low" and "low". The provision of DM with exchangeable potassium was significantly higher. The effectiveness of using DM as a fertilizer for plants growth and development as well as for stimulating soil restoration processes in the conditions of the Khanty-Mansiysk Autonomous District – Yugra was studied. It was found that 93,3 % of DM samples can be effectively used for this purpose.

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