COMPOSITION FOR TEMPORARILY SEALING OIL PIPELINE SHUT-OFF VALVES Russian patent published in 1998 - IPC

Abstract RU 2117684 C1

FIELD: oil pipeline technics. SUBSTANCE: in order to completely cut off damaged section of pipeline in case the shut-off valves are deficient and do not allow to block oil stream, viscous elastic sealing composition is provided containing, wt %:synthetic fatty acid - or -fraction, 3,9-7,4; sodium hydroxide, 0.6-0.2; water, 0.6- 2.2; wood sawdust, 2.0-7.0; and diesel fuel, the balance. EFFECT: improved sealing capability. 1 tbl

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RU 2 117 684 C1

Authors

Shchipanov V.P.

Podenko L.S.

Blashchanitsa V.F.

Juffa A.Ja.

Shtoff V.P.

Dates

1998-08-20—Published

1996-03-26—Filed