Mol Magyar Olaj- És Gázipari Nyilvánosan Működő Részvénytársaság

Mol Magyar Olaj És Gázipari Nyilvánosan Müködörészvénytársaág

Pannon Egyetem

László Bartha

Árpád Vágó

Roland Nagy

József Dudás

Mária Törö

Sándor Puskás

István János Lakatos

Gabriella Szentes

Zsuzsa Karaffa

István Lakatos

Norbert Miskolczi

Csilla Varga

The present invention relates to a composition for an enhanced oil recovery process, said composition comprising

Polymer-surfactant compositions for enhanced oil recovery process

The anionic cocogem surfactant of formula (I) for an oil production process of increased efficiency wherein

Surfactants for enhanced oil recovery

The present invention relates to a colloidal composition for stimulating the operation of high water-yield, natural gas, or petroleum-producing wells, which, when mixed with the water, forms a structured high viscosity barrier to exclude the water and to reduce the water/hydrocarbon volume proportion of the production, furthermore, at the time of use, in the proximity of the wells the residual oil sorbed on the surface of the hydrocarbon reservoir and/or the residual oil trapped in the pores of the hydrocarbon reservoir becomes compressible and recoverable. The colloidal composition comprises a vegetable oil reaction product based compound. Experiments with the new composition have demonstrated that it can be successfully used in a much wider range of parameters than before to form a barrier resulting in water displacement, as well as to mobilize and recover residual oil adhering to the well area.

Colloidal disperse system suitable for phase inversion to stimulate hydrocarbon production wells

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Veszprém, Hungary

László Bartha