Total Sa

Totalenergies Onetech

Hemovis

Guillaume Heurteux

Stéphane Jouenne

Nicolas Passade-Boupat

Alexandre De Tilly

Use of at least one compound of formula (I): (I) [P(R—Y—R)]zXz- is described for enhancing the injectivity of an injection well, wherein: Y is chosen from an oxygen atom or an NH group; Ris a linear or branched alkyl radical having from 1 to 15 carbon atoms; Ris chosen from a hydrogen atom or a linear or branched alkyl radical having from 1 to 14 carbon atoms; Xz- is a monovalent anion or a divalent anion, or a trivalent anion, or a tetravalent anion group; z is a number from 1 to 4. The compound of formula (I) is added to an aqueous medium to form an injection stream which is injected into a subterranean formation which comprises at least one polymer, via said injection well.

Composition for enhancing injectivity of a subterranean formation

The present invention relates to a flow control valve to be connected to a pipe. The valve includes: a plurality of fluid transport tubes having a geometrically variable cross-section and placed in parallel with each other; and a means for connecting to the pipe and located at one end of the fluid transport tubes.

Growing community of inventors

Morlaàs, France

Guillaume Heurteux