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    • 9. 发明申请
    • NOVEL QUATERNARY FOAMERS FOR DOWNHOLE INJECTION
    • 新型季节性注射用四氟弹性体
    • WO2012154521A2
    • 2012-11-15
    • PCT/US2012/036428
    • 2012-05-04
    • NALCO COMPANYNGUYEN, Duy, T.HUANG, Fenfen
    • NGUYEN, Duy, T.HUANG, Fenfen
    • C09K8/58C09K8/502C09K8/565C09K8/594E21B43/16
    • C09K8/536
    • A method of foaming a fluid for recovering gas from a gas well and enhancing oil production from a gas-lifted oil well penetrating a subterranean oil-bearing formation is disclosed and claimed. The method includes introducing into the fluid a.foam-forming amount of a composition comprising at least one compound having the general formula: R 1 is selected from a saturated linear or branched alkyl, an unsaturated linear or branched alkyl, a substituted naphthalene, a substituted benzene, a natural oil, and a natural oil derivative. R 2 is a C 2 -C 8 alkyl R 3 , R 4 , and R 5 are independently selected from trimelhyl. triethyk diethyl,, monoethyl, benzyl dimethyl, and benzyl diethyl. X is selected from hydrogen, methyl, and ethyl. Z - Is a negatively charged counterion.
    • 公开并要求保护一种从气井中回收气体的气体发泡方法,并且提高穿透地层含油地层的气举井油的产油。 该方法包括向流体中引入泡沫形成量的包含至少一种具有以下通式的化合物的组合物:R1选自饱和直链或支链烷基,不饱和直链或支链烷基,取代萘,取代的 苯,天然油和天然油衍生物。 R2是C2-C8烷基R3,R4和R5独立地选自trimelhyl。 三乙基二乙基,单乙基,苄基二甲基和苄基二乙基。 X选自氢,甲基和乙基。 Z-是带负电的抗衡离子。