C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 3/00 (2006.01)
Patent
CA 2404784
A method for inhibiting the plugging of a conduit containing a flowable mixture comprising at least an amount of hydrocarbons capable of forming hydrates in the presence of water, and an amount of water, which method comprises adding to the mixture an amount of a dendrimeric compound effective to inhibit formation of hydrates at conduit temperatures and pressures, and flowing the mixture containing the dendrimeric compound and any hydrates through the conduit. Preferably, a hyperbranched polyester amide is used as hydrate formation inhibitor compound.
L'invention concerne un procédé destiné à inhiber l'obturation d'un conduit qui contient un mélange fluide comprenant au moins une quantité d'hydrocarbures capable de former des hydrates en présence d'eau, et une certaine quantité d'eau, lequel procédé consiste à ajouter audit mélange une quantité d'un composé dendrimérique efficace pour inhiber la formation d'hydrates aux pressions et températures de conduit, et à faire couler le mélange contenant le composé dendrimérique et de quelconques hydrates à travers le conduit. De préférence, un polyester-amide hyperramifié est utilisé comme composé inhibiteur de la formation d'hydrate.
Shell Canada Limited
Shell Internationale Research Maatschappij B.v.
Smart & Biggar
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