C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/524 (2006.01)
Patent
CA 2560423
Asphaltene control additives are added to base fluids which are introduced directly or indirectly into a hydrocarbon-bearing formation to mitigate asphaltene deposition in the formation which results in improved permeability in the formation and production of hydrocarbons therefrom. The fluids to which the additive is added may be liquid CO2-based, aqueous-based or non-aqueous-based fluids. Further, the fluids are fracturing fluids, drilling fluids and wellbore treatment fluids such as acidizing fluids.
Des additifs destinés à contrer les asphaltènes sont ajoutés aux fluides de base introduits directement ou indirectement dans une formation pétrolifère afin de réduire la constitution de dépôts d'asphaltènes, ce qui accroît la perméabilité de la formation et la production d'hydrocarbures à partir de celle-ci. Les fluides auxquels les additifs sont mélangés peuvent être des liquides à base de CO2, des liquides aqueux ou des liquides non aqueux. En outre, les fluides sont des fluides de fracturation, des fluides de forage ou des fluides de traitement des puits comme des fluides acidifiants.
Skibinski Dan
Smith Clayton
Goodwin Mckay
Innovative Chemical Technologies Canada Ltd.
Weatherford Engineered Chemistry Canada Ltd.
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