FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to oil and gas industry and can be used for treatment of drill mud. The device includes a vibration screen strainer having the upper side for rock fragments and the lower side, an air vacuum system coupled functionally to the lower side of the screen strainer for suction of the air effective volume through the strainer and for drill mud separation from rock fragments, drill mud extraction system from the strainer lower side. Vacuum system includes one or more vacuum, collectors coupled functionally to less than one third of the strainer length, vacuum pipework coupled functionally to the vacuum collector and a vacuum pump connected to the vacuum pipework.
EFFECT: increased efficiency of drill mud extraction.
22 cl, 9 dwg
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