Subsidiary Ukrgazvydobuvannia Militarized Gas Rescue Anti Gusher Unit Likvo
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Method for liquidation of sediments in pump-compressor pipes under pressure includes lowering to the well, to the sediments, a string of washing pipes equipped with a back valve with a hydro-monitor, at tightened mouth, with washing the sediments and lifting the washing pipes from the well. For more reliable tightening of the inner pipe space of the washing pipes at lifting those from the well, before lifting one performs pumping in to those cementation mortar, with restriction by separation plugs, with volume equal to the inner volume of two lower washing pipes.
UA2001107412A2001-10-312001-10-31Method for liquidation of sediments in pump-compressor pipes of a well under pressure
UA66918C2
(en)