The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2024
Filed:
Jun. 07, 2019
Totalenergies SE, Courbevoie, FR;
TotalEnergies OneTech, Courbevoie, FR;
Abstract
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.