Method and system for transporting a flow of fluid...

F - Mech Eng,Light,Heat,Weapons – 17 – D

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F17D 3/14 (2006.01) C10G 33/04 (2006.01) C10G 33/06 (2006.01)

Patent

CA 2346905

Method for transporting a flow of fluid hydrocarbons containing water through a treatment and transportation system including a pipeline, wherein the flow of fluid hydrocarbons is introduced into a reactor where it is mixed with particles of gas hydrates which are also introduced into said reactor, the effluent flow of hydrocarbons from the reactor is cooled in a heat exchanger to ensure that all water present therein is in the form of gas hydrates, said flow is then treated in a separator to be separated into a first flow and a second flow, said first flow having a content of gas hydrate is recycled to the reactor to provide the particles of gas hydrates mentioned above, and said second flow is conveyed to a pipeline to be transported to its destination. System for treatment and transportation of a flow of fluid hydrocarbons containing water, which includes the following elements listed in the flow direction and connected with each other: connection to a hydrocarbon source (1), a first heat exchanger (4), a reactor (6), a second heat exchanger (7), a separator (8), and a pipeline (13); and in addition a line (9) which leads from the separator (8) to the reactor (6) and is provided with a pump (10) adapted to recycle material from the separator (8) back to the reactor (6).

La présente invention concerne un procédé d'acheminement d'un flux d'hydrocarbures liquides renfermant de l'eau via un système de traitement et de transport comprenant un pipeline. Le flux d'hydrocarbures liquides entre dans un réacteur dans lequel il est mélangé à des particules d'hydrates de gaz elles-mêmes introduites dans ce réacteur. On refroidit le flux d'hydrocarbures à sa sortie du réacteur afin de garantir que la totalité de l'eau présente dans le flux le soit sous forme d'hydrates de gaz. Le traitement se poursuit par la séparation du flux en un premier et un second flux. Le flux qui renferme des hydrates gazeux est recyclé dans le réacteur où il fournit les particules d'hydrates gazeux susmentionnés, ete second flux est acheminé à destination par un pipeline. Cette invention concerne un système de traitement et de transport d'un flux d'hydrocarbures renfermant de l'eau comprenant, dans le sens du flux et reliésntre eux, les éléments suivants: source d'hydrocarbure (1), premier échangeur de chaleur (4), réacteur (6), second échangeur de chaleur (7), séparateur (8) et pipeline (13). A cela s'ajoute, entre le séparateur (8) et le réacteur (6) une canalisation dotée d'une pompe (10) pour le recyclage de matériau du séparateur (8) vers le réacteur (6).

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