METHOD OF LIQUEFIED NATURAL GAS OR LIQUEFIED HYDROCARBON GAS SPILL RESPONSE USING COMBINED AIR-AND-WATER FOAM WITH LOW AND MEDIUM EXPANSION RATIO (VERSIONS) AND SYSTEM FOR ITS IMPLEMENTATION Russian patent published in 2015 - IPC A62C3/02

Abstract RU 2552969 C1

FIELD: oil and gas industry.

SUBSTANCE: method and system of liquefied natural gas or liquefied hydrocarbon gas spill response comprise the treatment of surface of liquefied gas with combined air-and-water foam with low and medium expansion ratio based on synthetic hydrocarbon foamer with obtaining and the subsequent utilisation of gas-saturated foam. The gas-saturated foam is formed on the surface of liquefied gas as alternate layers of porous ice, frozen gas-saturated foam and liquid gas-saturated foam.

EFFECT: decrease of gas concentration above the surface of gas-saturated foam below the lower concentration limit of flame distribution.

53 cl, 14 dwg

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RU 2 552 969 C1

Authors

Abduragimov Iosif Mikaehlevich

Kuprin Gennadij Nikolaevich

Dates

2015-06-10—Published

2014-02-14—Filed