F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
F17C 7/04 (2006.01)
Patent
CA 2630998
A continuous process for regasifying a feed stream comprising (i) a slurry phase comprising gas hydrate particles suspended in a produced liquid hydrocarbon and optionally free produced water and (ii) optionally a gaseous phase comprising free produced gaseous hydrocarbon thereby generating a regasified multiphase fluid and for separating the regasified multiphase fluid into its component fluids, comprising the steps of: (a) heating the feed stream to above the dissociation temperature of the gas hydrate thereby regasifying the feed stream by converting the gas hydrate particles into gaseous hydrocarbon and water; (b) separating a gaseous hydrocarbon phase from the regasified multiphase fluid thereby forming a gaseous hydrocarbon product stream and a liquid stream comprising a mixture of liquid hydrocarbon and water; (c) separating the liquid stream comprising a mixture of the liquid hydrocarbon and water into a liquid hydrocarbon phase and an aqueous phase; and (d) removing the liquid hydrocarbon phase as a liquid hydrocarbon product stream.
L'invention porte sur un procédé continu de regazéification d'un courant d'apport comportant: (i) une phase de coulis de particules d'hydrate de gaz suspendues dans un hydrocarbure liquide et facultativement d'eau libre, et (ii) facultativement une phase gazeuse d'hydrocarbure gazeux, de manière à obtenir un fluide regazéifié à plusieurs phases pouvant être scindé en ses composants fluides: (a) en chauffant le courant d'apport au-dessus de la température de dissociation de l'hydrate de gaz, ce qui regazéifie le courant d'apport du fait de la conversion des particules d'hydrate de gaz en hydrocarbure gazeux et en eau; (b) en séparant la phase d'hydrocarbure gazeux des diverses phases regazéifiées, ce qui forme: un courant d'hydrocarbure gazeux et un courant liquide fait d'un mélange d'hydrocarbure liquide, et un courant liquide fait d'un mélange d'hydrocarbure liquide et d'eau; (c) en scindant le dit courant liquide en une phase d'hydrocarbure liquide et une phase aqueuse; et (d) en extrayant la phase d'hydrocarbure liquide en tant que courant d'hydrocarbure liquide.
Argo Carl Boles
Harper Roger Neil
King David Charles
Power Michael Bernard
Willcox Peter
Bp Exploration Operating Company Limited
Fetherstonhaugh & Co.
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