C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/72 (2006.01) E21B 43/22 (2006.01) E21B 43/27 (2006.01)
Patent
CA 2556648
A composition for inhibiting or preventing the formation of emulsions in the presence of treating acids during the acid stimulation of hydrocarbon wells is provided. The composition includes an alkyl aryl sulfonic acid or salt thereof, an acetylenic alcohol, an alkyl diphenyl oxide sulfonic acid or derivative thereof, in an alkyl alcohol solvent. The disclosed compositions can be used in an acid treatment solution, such as 15% hydrochloric acid, to prevent and resolve live acid and spent acid emulsions for a wide range of crude oils.
On présente une composition d'inhibition ou de prévention de la formation d'émulsions en présence d'acides de traitement durant la simulation acide de puits d'hydrocarbures. La composition comprend un acide sulfonique alkyle aryle ou un sel de celui-ci, un alcool acétylénique, un acide sulfonique alkyle diphényle oxyde ou son dérivé, dans un solvant d'alcool d'alkyle. Les compositions de l'invention peuvent être utilisés dans une solution de traitement acide, telle que 15 % d'acide chlorhydrique, pour empêcher et résoudre des émulsions d'acide vivant et épuisé pour une large gamme de pétroles bruts.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company
Bj Services Company Canada
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