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1. WO2022115284 - REACTIVE SURFACTANT FLOODING AT NEUTRAL PH

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Publication Number WO/2022/115284
Publication Date 02.06.2022
International Application No. PCT/US2021/059647
International Filing Date 17.11.2021
IPC
C09K 8/58 2006.1
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
C09K 8/584 2006.1
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
584characterised by the use of specific surfactants
C09K 8/588 2006.1
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
588characterised by the use of specific polymers
CPC
C09K 8/584
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
584characterised by the use of specific surfactants
E21B 43/16
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
16Enhanced recovery methods for obtaining hydrocarbons
Applicants
  • HALLIBURTON ENERGY SERVICES, INC. [US]/[US]
Inventors
  • RECIO III, Antonio
  • REYES, Enrique Antonio
  • BEUTERBAUGH, Aaron Michael
  • BOSCH, Ronald Oliver
Agents
  • CARROLL, Rodney B.
Priority Data
17/527,73916.11.2021US
63/117,83524.11.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) REACTIVE SURFACTANT FLOODING AT NEUTRAL PH
(FR) INJECTION DE TENSIOACTIF RÉACTIF À PH NEUTRE
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Abstract
(EN) A method of enhanced oil recovery comprising introducing into one or more injection wells located within a subterranean formation a treatment fluid comprising (i) an aminopolycarboxylic acid comprising a phosphonoalkyl moiety; and ii) a surfactant blend; and removing hydrocarbons from one or more production wells. A method of enhanced oil recovery comprising introducing into one or more injection wells located within a subterranean formation a treatment fluid comprising (i) an aminopolycarboxylic acid comprising a phosphonoalkyl moiety; and ii) a surfactant blend wherein the subterranean formation comprises non-source rock, naturally-fractured rock, low porosity rock, calcite rich reservoir rock or a combination thereof; and removing hydrocarbons from one or more production wells.
(FR) L'invention concerne un procédé amélioré de récupération d'huile, comprenant l'introduction dans un ou plusieurs puits d'injection situés à l'intérieur d'une formation souterraine d'un fluide de traitement comprenant (i) un acide amino-polycarboxylique comprenant une fraction phosphonoalkyle ; et ii) un mélange de tensioactifs ; et l'extraction d'hydrocarbures à partir d'un ou de plusieurs puits de production. L'invention concerne également un procédé amélioré de récupération d'huile, comprenant l'introduction dans un ou plusieurs puits d'injection situés à l'intérieur d'une formation souterraine d'un fluide de traitement comprenant (i) un acide amino-polycarboxylique comprenant une fraction phosphonoalkyle ; et ii) un mélange de tensioactifs, la formation souterraine comprenant une roche non mère, une roche naturellement fracturée, une roche à faible porosité, une roche réservoir riche en calcite ou une combinaison de celles-ci ; et l'extraction d'hydrocarbures à partir d'un ou de plusieurs puits de production.
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