FIELD: oil and gas production.
SUBSTANCE: procedure consists in pumping water-free oil through pump unit due to its connection to pipeline of commodity oil through specially made bypass for time required for generation of bitumen-resin-paraffin film of as thick, as 50 mcm on working surfaces. Further, the pump is disconnected from the pipeline of commodity oil and oil is replaced from a cavity of the pump with water. Duration of hydrophobisation is determined beforehand under laboratory conditions by the method of "a cold rod".
EFFECT: raised efficiency and reduced expenditures.
1 dwg
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