S.p.c.m. Sa

Snf Group

Bruno Tavernier

Cédrick Favero

Cedrick Favero

Sebastien Coccolo

Siham Telilel

Aurélien Duchadeau

Sébastien Coccolo

Manish Kumar Mishra

Venkata Jagannath

Aurélien Bonneau

An injection fluid for hydraulic fracturing including at least one synthetic water-soluble polymer with a weight average molecular weight greater than or equal to 1 million daltons, the fluid being prepared according to a method including preparing, by radical polymerization an invert emulsion including between 15% and 40% by weight of the polymer, between 20% and 60% by weight of water and at least one hydrocarbon-based solvent, distilling the invert emulsion to obtain a dispersion including between 40% and 60% by weight of particles of the polymer, less than 10% by weight of water and at least one hydrocarbon-based solvent, and diluting the dispersion with 1% to 15% by weight of an aqueous solution including between 20% and 60% by weight of salts.

Dispersion of water-soluble polymer for hydraulic fracturing

The present application concerns a water-in-oil inverse emulsion comprising:

Reverse emulsion for hydraulic fracturation

Method of treating a portion of subterranean formation, comprising

Method of treating a portion of a subterranean formation with improved water in oil emulsion

Process for preparing an aqueous dispersion of hydrophilic polymers, according to which, in a reactor:

Process for preparing an aqueous polymer dispersion under vacuum, and uses thereof

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Boutheon, France

Bruno Tavernier