PRE-REPAIR PROCEDURES FOR MAIN PIPELINE Russian patent published in 1994 - IPC

Abstract RU 2016349 C1

FIELD: repair of pipelines. SUBSTANCE: faulty section is shut off on both ends. Part of liquid of pumped out of faulty section to adjacent serviceable section. Pumping-out is made at closest lower points of pipeline route located on either side of repair site. Discharge of liquid being pumped out is determined from equation given in description of invention. EFFECT: facilitated procedure. 2 dwg

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RU 2 016 349 C1

Authors

Korshak A.A.

Novoselov V.F.

Frolov Ju.A.

Stepanova I.M.

Dates

1994-07-15—Published

1991-07-02—Filed