Instituto Mexicano Del Petroleo

Raül Hernandez Altamirano

Luis Silvestre Zamudio Rivera

Violeta Yasmin Mena Cervantes

Alejandro Ramírez Estrada

Jorge Francisco Ramírez Pérez

José Manuel Martínez Magadan

Raúl Oviedo Roa

Rodolfo Cisneros Devora

César Andrés Flores Sandoval

The present disclosure is related to obtaining and using sulfobetaine and hydroxysultaine-based geminal zwitterionic liquids as wettability modifiers for rocks such as limestone, dolomite, sandstone, quartz or heterogeneous lithologies, under the presence of brines having high content of divalent ions as calcium, magnesium, barium and strontium, at high temperature and high pressure conditions for enhanced oil recovery processes to increase the oil production. The geminal zwitterionic liquids of the present disclosure have also the property of acting as corrosion inhibitors of ferrous metals used in pipelines and equipment for crude oil extraction, production, transport and storage operations. A further advantage shown by zwitterionic liquids derived from their molecular structure is they can be dissolved in distilled water, brine, hydrocarbon solvents, aromatics and alcohols.

Hydroxysultaine- and sulfobetaine-based geminal zwitterionic liquids, method for obtaining same, and use thereof as wettability modifiers having corrosion inhibiting properties

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Mexico City, Mexico

Raül Hernandez Altamirano