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2 547 355

(13)

(51)

IPC

F17D1/00(2006-01-01)

E21B37/00(2006-01-01)

E21B33/00(2006-01-01)

(21) (22)

Application

2013106870/06, 2013-02-15

(24)

Start date

2013-02-15

(22)

Actual filing date

2013-02-15

(45)

Published

2015-04-10

(72)

Inventor

Gumerov Asgat Galim'JanovichAndrianov Vjacheslav MikhajlovichKokhanchikov Leonid AleksandrovichJusupov Oskar Musaevich

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Problem Transporta Ehnergoresursov

PRESERVATION METHOD OF FIELD PIPELINES AT DEPOSITS, IN PRODUCTS OF WHICH HYDROGEN SULPHIDE IS CONTAINED Russian patent published in 2015 - IPC F17D1/00 E21B37/00 E21B33/00

Abstract RU 2547355 C2

FIELD: oil and gas industry.

SUBSTANCE: marketable oil pre-treated with a hydrogen sulphide neutraliser till complete neutralisation of the latter is pumped to a pipeline. Replacement of the transported product in the pipeline is performed by pushing-through with preservation liquid of two elastic dividers, between which a concentrated neutraliser solution is arranged. Replaced liquid is displaced to a storage tank under the level of the hydrogen sulphide neutraliser solution, for example Darsan-N neutraliser.

EFFECT: method has ecological cleanness, provides for personnel safety at preservation and depreservation of the pipelines and does not prevent utilisation of neutralisation products.

2 dwg

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RU 2 547 355 C2

Authors

Gumerov Asgat Galim'Janovich

Andrianov Vjacheslav Mikhajlovich

Kokhanchikov Leonid Aleksandrovich

Jusupov Oskar Musaevich

Dates

2015-04-10—Published

2013-02-15—Filed