FIELD: oil, gas and chemical industries. SUBSTANCE: unit has two chambers for cleaning oil well tubing and rods which are placed in transportation position, loading and unloading mechanisms, device for feeding vaporous working agent and piping system for feeding the condensate of working agent. EFFECT: improved operational characteristics due to reduced power requirements and ratio of used working agent to surface being cleaned and due to simultaneous cleaning of long oil-well articles; reduced consumption of labor; ecological safety. 2 cl, 3 dwg
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