C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/524 (2006.01) B01F 17/00 (2006.01) C07C 43/20 (2006.01) C10G 75/04 (2006.01) C10L 1/16 (2006.01) C10L 10/00 (2006.01) E21B 37/06 (2006.01)
Patent
CA 2455854
A method of reducing the aggregation and deposition of asphaltene from a fluid containing asphaltene, such as crude oil, which method comprises the addition to the fluid of a compound of formula (I): wherein A is an optionally substituted ring system containing 6 to 14 carbon atoms; n is at least 1 and may equal the number of positions available for substitution in A; each X is independently a linker group; and each R is independently a hydrocarbyl group containing 10 to 25 carbon atoms.
La présente invention concerne un procédé permettant de réduire l'agrégation et le dépôt d'asphaltène à partir d'un fluide contenant de l'asphaltène, tel que du pétrole brut, ledit procédé comportant l'ajout au fluide d'un composé de formule (I), dans laquelle: A est un noyau contenant 6 à 14 atomes de carbone éventuellement substitué; n est au moins égal à 1 et peut être égal au nombre de positions de substitution disponibles dans A; chaque X est indépendamment un groupe de liaison; et chaque R est indépendamment un groupe hydrocarbyle contenant 10 à 25 atomes de carbone.
Gochin Rodney John
Smith Alec
Gowling Lafleur Henderson Llp
Imperial College Innovations Limited
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