Sterling Specialty Chemicals Holding UK Limited (Royaume‑Uni)
Inventeur(s)
Yang, Hong
Tellakula, Roopa
Nguyen, Danny
Robinson, Ronald
O'Brien, Ashleigh
Abrégé
A method of hydraulic fracturing, comprising producing an aqueous injection fluid by mixing a self-inverting water-in-oil emulsion comprising sulfonate terpolyacrylamide, wherein the self-inverting water-in-oil emulsion comprises from about 1 wt % to about 3 wt % of an oleyl ether polyglycol carboxylic acid of formula RO(CH2CH2O)n-CH2COOH having a hydrophilic-lipophilic balance of about 5 to about 10, where n=about 3 to about 7, by weight of the emulsion composition.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Chemicals for use as friction reducers for use in hydraulic fracturing, enhanced oil recovery, and treatment of oil sands tailings, water and industrial effluent; polymers for chemical enhanced oil recovery; flocculants; polymer flocculants; polymers for use in underground fluids for hydraulic fracking
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Chemicals for use as friction reducers for use in hydraulic fracturing, enhanced oil recovery, and treatment of oil sands tailings, water and industrial effluent; polymers for chemical enhanced oil recovery; flocculants; polymer flocculants; polymers for use in underground fluids for hydraulic fracking
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Chemicals for use as friction reducers for use in hydraulic fracturing, enhanced oil recovery, and treatment of oil sands tailings, water and industrial effluent; polymers for chemical enhanced oil recovery; flocculants; polymer flocculants; polymers for use in underground fluids for hydraulic fracking
Sterling Specialty Chemicals Holding UK Limited (Royaume‑Uni)
Inventeur(s)
Yang, Hong
Patil, Shradha
Robinson, Ronald
Tellakula, Roopa
Abrégé
Compositions, such as emulsions, that include water, a hydrophobic liquid, a polymer, and a breaker. Inverting packages that include a breaker. The breaker may include a tallow amine ethoxylate. The polymer may include a repeat unit that includes a sulfonic acid moiety or a sulfonate moiety. Inverted emulsions and treatment fluids that include inverted emulsions. Methods of treating subterranean formations with treatment fluids.
Sterling Specialty Chemicals Holding UK Limited (Royaume‑Uni)
Inventeur(s)
Jang, Sung Hyun
Rosati, Louis
Bava, Luciana
Abrégé
The present invention relates to methods and compositions for improving froth quality and bitumen recovery during bitumen extraction. In particular, the disclosure provides a method for using multivalent ionic liquids and binary process aid combinations comprising tricholine citrate for improving bitumen extraction efficiency and reducing water and mineral solids in bitumen froth.
Sterling Specialty Chemicals Holding UK Limited (Royaume‑Uni)
Inventeur(s)
Yang, Hong
Qi, Pengpeng
Abrégé
Methods of reducing an amount of hydrophobic liquid in a polymer-containing composition, such as a composition that includes a polymer, a surfactant, and water. Polymer-containing compositions having a reduced hydrophobic liquid content. Methods of polymer flooding.
C09K 8/584 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de tensio-actifs spécifiques
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
8.
POLYMER-CONTAINING COMPOSITIONS HAVING REDUCED HYDROPHOBIC LIQUID CONTENT AND METHODS
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
STERLING SPECIALTY CHEMICALS US LLC (USA)
Inventeur(s)
Yang, Hong
Qi, Pengpeng
Abrégé
Methods of reducing an amount of hydrophobic liquid in a polymer-containing composition, such as a composition that includes a polymer, a surfactant, and water. Polymer containing compositions having a reduced hydrophobic liquid content. Methods of polymer flooding.
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
C09K 8/584 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de tensio-actifs spécifiques
Sterling Specialty Chemicals Holding UK Limited (Royaume‑Uni)
Inventeur(s)
Hesampour, Mehrdad
Nuutinen, Vesa
Metsälä, Erkki Johannes
Puupponen, Salla
Kukkonen, Viktor
Abrégé
Compounds, polymer compositions, systems, and methods for determining a concentration of a polymer composition in a fluid. The polymer compositions may include a copolymer that includes a tagging monomer. The copolymer may have a molecular weight of at least 1,000,000 Da (Mw). Methods for synthesizing compounds and polymer compositions.
G01N 33/58 - Analyse chimique de matériau biologique, p. ex. de sang ou d'urineTest par des méthodes faisant intervenir la formation de liaisons biospécifiques par ligandsTest immunologique faisant intervenir des substances marquées
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Hesampour, Mehrdad
Nuutinen, Vesa
Karesoja, Mikko
Tellakula, Roopa
Griffin, Rick
Shepherd, Justin
Henderson, Paula
Metsälä, Erkki
Kukkonen, Viktor
Abrégé
Tagged copolymers, polymer compositions including the tagged copolymers, methods of copolymerization, and methods of hydraulic fracturing. The copolymers may be tagged with a monomer as described herein. Two tagging monomers exhibiting peak fluorescence at different wavelengths may be used to permit monitoring of multiple wells.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Yang, Hong
Troy, Frances
Abrégé
Liquid polymer and inverse emulsion compositions comprising: one or more hydrophobic liquids having a boiling point at least about 100° C.; one or more acrylamide-(co)polymers; one or more emulsifier surfactants; one or more inverting surfactants; and one or more siloxane polyether compounds. When the composition is inverted in an aqueous solution, it provides an inverted solution having a filter ratio using a 1.2 micron filter (FR1.2) of about 1.5 or less.
C08L 91/00 - Compositions contenant des huiles, graisses ou ciresCompositions contenant leurs dérivés
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
12.
TAGGING AGENTS, ANTI-SCALANT POLYMER COMPOSITIONS, AND METHODS
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Kukkonen, Viktor
Puupponen, Salla
Nuutinen, Vesa
Metsälä, Erkki-Johannes
Abrégé
Tagging agents, including fluorescent monomers, which may lack polymerizable double bonds. Anti-scalant polymer compositions that include a copolymer of a tagging agent and an anti-scalant monomer. Methods for synthesizing tagging agents, anti-scalant polymer compositions, and detecting an anti-scalant polymer composition.
C09K 11/06 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances organiques luminescentes
C02F 5/10 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p. ex. par addition d'agents séquestrants en utilisant des substances organiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Fenderson, Thomas
Kyllonen, Lasse
King, Alistair
Sklavounos, Evangelos
Fournier, Frances
Aujla, Sukhjit
Abrégé
The invention relates to method and composition for treating tailings from a separation process, where bitumen is separated from mineral solids. Tailings comprise an aqueous phase with suspended solid particulate material and residual bitumen and have a dry solids content <25 weight-%. The method comprises addition of a flocculating agent comprising polyacrylamide to the tailings, as well as addition of an auxiliary agent comprising ionic liquid to tailings in conjunction with the flocculating agent. Flocs, which comprise solid particulate material, are formed and the formed flocs are separated from the aqueous phase. The composition comprises a copolymer of (meth)acrylamide and an auxiliary agent comprising ionic liquid.
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
B01D 21/00 - Séparation par sédimentation de particules solides en suspension dans des liquides
B01D 21/01 - Séparation par sédimentation de particules solides en suspension dans des liquides en utilisant des agents de floculation
B01D 21/26 - Séparation du sédiment avec emploi de la force centrifuge
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Tellakula, Roopa
Abrégé
Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, and an inverting surfactant composition comprising one or more surfactants selected from the group consisting of ethoxylated amine compounds, ethoxylated fatty acid compounds, and alkyl polyethyleneglycol ether carboxylic acid compounds, alkyl polyglycol ether carboxylic acid compounds, and salts or esters thereof. The emulsions are particularly suitable for use in brine.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Griffin, Rick
Abrégé
The present disclosure generally relates to methods and compositions for the treatment of scale, such as controlling, preventing, and/or inhibiting scale formation and/or the rate of scale formation, in a fluid in need of treatment, such as fluids used in and/or resulting from oil and gas operations, wherein said treatment comprises the use of one or more anti-scalants. The one or more anti-scalants may comprise desirable biodegradation characteristics as well as enhanced divalent ion tolerance, such as calcium ion tolerance.
C02F 5/10 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p. ex. par addition d'agents séquestrants en utilisant des substances organiques
16.
Tagging agents, anti-scalant polymer compositions, and methods
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Metsälä, Erkki Johannes
Aksela, Reijo
Vuori, Vesa
Hesampour, Mehrdad
Abrégé
Tagging agents, including fluorescent monomers, which may be polymerized. Anti-scalant polymer compositions that include a copolymer of a tagging agent and an anti-scalant monomer. Methods for synthesizing tagging agents, anti-scalant polymer compositions, and detecting an anti-scalant polymer composition.
C08F 224/00 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un hétérocycle contenant de l'oxygène
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Tellakula, Roopa
Rosati, Louis
Robinson, Ronald
Hanson, Samuel
Abrégé
Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, and an inverting surfactant composition comprising one or more surfactants selected from the group consisting of ethoxylated alcohol compounds, ethoxylated fatty acid compounds, and alkyl polyethyleneglycol ether carboxylic acid compounds, and salts or esters thereof. The emulsions are particularly suitable for use in brine.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Metsälä, Erkki Johannes
Vuori, Vesa
Hesampour, Mehrdad
Abrégé
Systems and methods for monitoring and/or controlling anti-scalant concentration. The systems may include components that form an automated control loop. The methods may be online methods that allow the concentration of an anti-scalant to be monitors in a fluid treatment system, such as a water treatment system.
C09K 11/06 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances organiques luminescentes
C08F 234/02 - Copolymères de composés cycliques ne contenant pas de radicaux aliphatiques non saturés dans une chaîne latérale et contenant une ou plusieurs liaisons doubles carbone-carbone dans un hétérocycle dans un cycle contenant de l'oxygène
C08F 224/00 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un hétérocycle contenant de l'oxygène
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 5/10 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p. ex. par addition d'agents séquestrants en utilisant des substances organiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Porat, Iris
Pelaez, Miguel
Hesampour, Mehrdad
Luo, Yuping
Morris, William
Bava, Luciana
Abrégé
The present embodiments generally relate to the treatment of produced water comprising one or more water soluble polymers, wherein such treatment comprises: adding to the produced water at least one iron complex; and degrading at least a portion of the one or more water soluble polymers. This treatment may result in a reduction of the viscosity of said produced water and/or the degradation of the water soluble polymers which are contained therein.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
C02F 1/72 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation
C02F 103/36 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de l'industrie chimique non prévue dans les groupes provenant de la fabrication de composés organiques
20.
METHODS AND COMPOSITIONS FOR TREATING PRODUCED WATER
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Hesampour, Mehrdad
Azarnoush, Fazlollah
Pajunen, Tiina
Porat, Iris
Pelaez, Miguel
Abrégé
The present embodiments generally relate to the treatment of produced water such as produced water resulting from an industrial process such as one involving the use of copious amounts of water and the addition of one or more polymers such as water soluble and/or viscosifying or thickening polymers, in particular enhanced oil recovery processes or another processes resulting in polymer flooded produced water. These treatment methods include contacting the produced water with one or more PACl-based coagulants, wherein said treatment may result in desired effects, such as, for example, a reduction of the viscosity of said produced water and/or the removal of polymers which are contained therein.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Turk, Virginia
Dickinson, Wayne
Residency, Luciana
Simell, Jaakko
Kolari, Marko
Abrégé
The present disclosure generally relates to relates to methods of controlling biofilm, e.g., biofilm comprising microorganisms such as bacteria, which methods inhibit the formation of and/or reduce the amount of biofilm on a petroleum production surface, by contacting the surface and/or the biofilm with a petroleum field fluid comprising at least one compound which controls or inhibits the formation of and/or reduces the amount of biofilm.
C09K 8/524 - Compositions pour éviter, limiter ou éliminer les dépôts, p. ex. pour le nettoyage les dépôts organiques, p. ex. paraffines ou asphaltènes
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Griffin, Rick
Abrégé
The present embodiments generally relate to methods and compositions for the treatment of scale, such as controlling, preventing, and/or inhibiting sulfur-based scale formation and/or the rate of sulfur-based scale formation, in a fluid in need of treatment, such as fluids used in and/or resulting from oil and gas operations, wherein said treatment comprises the use of one or more scale modifiers. The one or more scale modifiers may comprise one or more polymer-based scale modifiers.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Puupponen, Salla
Krapu, Sari
Abrégé
The present invention provides a method for determining concentration of polyelectrolyte or phosphonate in a sample comprising polyelectrolyte or phosphonate in low concentrations. The method comprises admixing the sample with a reagent comprising a lanthanid(lll) ion; admixing the sample with silica; allowing the polyelectrolyte or phosphonate in the sample to interact with the reagent comprising the lanthanide(lll) ion and the silica; exciting the sample and detecting a sample signal deriving from the lanthanide(lll) ion by time-resolved fluorescence measurement; and determining the concentration of the polyelectrolyte or phosphonate in the sample by using the detected sample signal.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Puupponen, Salla
Krapu, Sari
Abrégé
The present invention relates to utilization of lanthanide time resolved fluorescence for determining concentration of trivalent metal ions in a sample. In the method sample comprising trivalent metal ions is admixed with a reagent comprising a lanthanide (lll) ion and a chelating agent. The trivalent metal ion in the sample is allowed to interact with the reagent comprising the lanthanide (lll) ion and the chelating agent, followed by exciting the sample and detecting a signal deriving from the lanthanide (lll) ion, and determining the concentration of the trivalent metal ion in the sample by using the detected signal.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Puupponen, Salla
Krapu, Sari
Abrégé
The present invention relates to a method for determining concentration of phosphate in a sample method comprises mixing the sample with a lanthanide (III) chelate or with lanthanide (III) ion and a chelation agent; allowing the phosphate in the sample to interact with the lanthanide (III) chelate; or with the lanthanide (III) ion and the chelation agent; exciting the sample and detecting a sample signal deriving from the sample by using time-resolved luminescence measurement; and determining the concentration of the phosphate in the sample.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Puupponen, Salla
Krapu, Sari
Abrégé
The present invention relates to utilization of lanthanide time resolved fluorescence for determining total concentration of polyelectrolyte or phosphonate in a sample. In the method sample comprising two or more polyelectrolytes and/or phosphonates is acidified followed by admixing the acidified sample with a reagent comprising a lanthanide(lll) ion. The polyelectrolyte or phosphonate in the sample are allowed to interact with the reagent comprising the lanthanide(lll) ion, followed by exciting the sample and detecting a signal deriving from the lanthanide(lll) ion, and determining the concentration of the polyelectrolyte or phosphonate in the sample by using the detected signal.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Puupponen, Salla
Lahtinen, Sampo
Abrégé
The present invention relates to utilization of lanthanide time resolved fluorescence for determining silica concentration. In the method sample comprising silica is admixed with a reagent comprising a lanthanide (III) ion and optionally a chelating agent, silica in the sample is allowed to interact with the reagent comprising the lanthanide (III) ion, followed by exciting the sample and detecting a signal deriving from the lanthanide (III) ion, and determining the concentration of the silica in the sample by using the detected signal.
C09K 11/77 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances inorganiques luminescentes contenant des métaux des terres rares
28.
Methods and compositions for enhanced oil recovery
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Luo, Yuping
Qi, Pengpeng
Abrégé
Methods and compositions comprising one or more degraded in situ gelable polymers are provided. Use of such compositions and methods comprising one or more degraded in situ gelable polymers during enhanced oil recovery may result in an increase in oil production relative to methods and/or compositions which do not comprise one or more degraded in situ gelable polymers.
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nurmi, Leena
Hanski, Sirkku
Toivonen, Susanna
Rosati, Louis
Abrégé
The present embodiments generally relate to methods and compositions comprising one or more polymers which gradually increase in charge, thereby providing for an increase in viscosity in an aqueous solution or aqueous composition, such as when present in a desired aqueous environment. Use of such compositions and methods comprising one or more polymers which gradually increase in charge, thereby providing for an increase in viscosity in an aqueous solution or aqueous composition during enhanced oil recovery may result in an increase in oil production relative to methods and/or compositions which do not comprise one or more polymers which gradually increase in charge, thereby providing for an increase in viscosity in an aqueous solution or aqueous composition.
E21B 43/16 - Procédés de récupération assistée pour l'extraction d'hydrocarbures
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Mikkola, Esa
Honkanen, Tapio
Nuutinen, Vesa
Abrégé
The present embodiments generally relate to the treatment of produced water such as produced water resulting from an industrial process such as one involving the use of copious amounts of water and the addition of one or more polymers such as viscosifying or thickening polymers, in particular enhanced oil recovery processes or another processes resulting in polymer flooded produced water. These treatment methods include contacting the produced water with one or more reducing agents and one or more metals, wherein said treatment may result in a reduction of the viscosity of said produced water and/or the degradation of polymers which are contained therein.
C02F 1/70 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par réduction
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
C02F 103/36 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de l'industrie chimique non prévue dans les groupes provenant de la fabrication de composés organiques
31.
Compositions of dry acid polymers and uses thereof
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Wilson, Duane C.
Fenderson, Thomas
Maasen, Igal
Aujla, Sukhjit
Abrégé
The present embodiments generally relate to the use of one or more polymers, e.g., one or more dry acid polymers and/or one or more dry acid polymers with salt, as flocculants, generally for treating tailings, e.g., oil sands tailings, in need of solid-liquid separation, e.g., in order to efficiently recycle water and/or to reduce the volume of tailings which may be transferred to a tailings pond and/or a dedicated disposal area.
C02F 11/147 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques utilisant des substances organiques
C02F 11/14 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
King, Alistair
Sklavounos, Evangelos
Laaksonen, Tiina
Rantamaki, Antti
Wiedmer, Susanne
Kyllonen, Lasse
Ruokonen, Suvi-Katriina
Abrégé
Hydrotropic composition comprising at least one surface active cationic component, which is selected from a group of cholinium, guadinium or tetramethylguadinium, preferably cholinium, and a straight or branched carboxylate anion having at least six carbon atoms; and its uses, for treating of oil sands or the like, for treating tailings from separation of bitumen, asphaltenes or the like.
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Fenderson, Thomas
Kyllonen, Lasse
King, Alistair
Sklavounos, Evangelos
Fournier, Frances
Aujla, Sukhjit
Abrégé
The invention relates to method and composition for treating tailings from a separation process, where bitumen is separated from mineral solids. Tailings comprise an aqueous phase with suspended solid particulate material and residual bitumen and have a dry solids content <25 weight-%. The method comprises addition of a flocculating agent comprising polyacrylamide to the tailings, as well as addition of an auxiliary agent comprising ionic liquid to tailings in conjunction with the flocculating agent. Flocs, which comprise solid particulate material, are formed and the formed flocs are separated from the aqueous phase. The composition comprises a copolymer of (meth)acrylamide and an auxiliary agent comprising ionic liquid.
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
B01D 21/00 - Séparation par sédimentation de particules solides en suspension dans des liquides
B01D 21/01 - Séparation par sédimentation de particules solides en suspension dans des liquides en utilisant des agents de floculation
B01D 21/26 - Séparation du sédiment avec emploi de la force centrifuge
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Kyllonen, Lasse
Aujla, Sukhjit
Fournier, Frances
Fenderson, Thomas
King, Alistair
Sklavounos, Evangelos
Abrégé
The invention relates to a surfactant composition comprising an ionic liquid prepared from an unsubstituted or substituted primary, secondary or tertiary amine, or from an unsubstituted or substituted pyridine, amidine or guanidine with at least one fatty acid and/or resin acid. The invention also relates to a method for treating bitumen froth from a separation process, where bitumen is separated from mineral solids. The method comprises addition of said surfactant composition to the diluent and/or to the froth before phase separation.
C10C 3/00 - Traitement du brai, de l'asphalte, du bitume
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
B03D 1/02 - Procédés de flottation par formation d'écume
C08L 95/00 - Compositions contenant des matières bitumeuses, p. ex. asphalte, goudron ou brai
35.
Method for treating a liquid sample in order to remove interference by iron
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Honkanen, Tapio
Abrégé
The invention relates to a method for treating a liquid sample, which comprises disturbing iron and at least one organic compound of interest. The, the method comprises addition of a reagent comprising an ammonium salt, alkali metal salt or earth alkali metal salt of hexacyanoferrate to the sample. Iron in the sample is allowed to interact with the reagent and to form a reaction product, the reaction product of iron is separated from the sample, and the amount of the at least one compound of interest is determined from the sample. The invention relates also to use of salt of hexacyanoferrate.
C09K 8/528 - Compositions pour éviter, limiter ou éliminer les dépôts, p. ex. pour le nettoyage les dépôts inorganiques, p. ex. sulfates ou carbonates
G01N 1/22 - Dispositifs pour prélever des échantillons à l'état gazeux
E21B 37/06 - Procédés ou appareils pour nettoyer les trous de forage ou les puits utilisant des moyens chimiques pour empêcher ou limiter le dépôt de paraffine ou de substances analogues
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Waterman, Paul
Jackson, Logan
Nguyen, Danny
Robinson, Ronald
Abrégé
Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, one or more ethoxylated amine compounds and optionally, one or more organic or inorganic salts. The emulsions are particularly suitable for use in harsh brine conditions.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Fenderson, Tom
Maasen, Igal
Pin, Erica
Pelaez, Miguel
Abrégé
Terpolymers and use thereof are provided comprising one or more nonionic monomers, one or more anionic monomers and one or more cationic monomers, These terpolymers and compositions containing may be used as flocculants, for example, for treating tailings, such as oil sands tailings, to facilitate solid-liquid separation, for example, in order to efficiently recycle water and/or to reduce the volume of tailings which may be transferred to a tailings pond and/or to a dedicated disposal area.
C08L 33/02 - Homopolymères ou copolymères des acidesLeurs sels métalliques ou d'ammonium
C10G 1/00 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
38.
Method and treatment system for treating mineral or oil sands tailings
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Li, Jiang
Tellakula, Roopa
Abrégé
Methods for fracturing a subterranean formation penetrated by a well bore are provided, the method comprising the step of injecting a well treatment fluid into the well bore at a pressure and flow rate sufficient to fracture the subterranean formation, wherein the well treatment fluid comprises one or more iron-containing compounds and one or more booster compounds. The methods can be used to reduce viscosity and to facilitate the decomposition of acrylamide-containing polymers.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Yang, Hong
Troy, Frances
Abrégé
Liquid polymer and inverse emulsion compositions comprising: one or more hydrophobic liquids having a boiling point at least about 100° C.; one or more acrylamide-(co)polymers; one or more emulsifier surfactants; one or more inverting surfactants; and one or more poly(alkyl)acrylate compounds. When the composition is inverted in an aqueous solution, it provides an inverted solution having a filter ratio using a 1.2 micron filter (FR1.2) of about 1.5 or less.
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Porat, Iris
Pelaez, Miguel
Hesampour, Mehrdad
Luo, Yuping
Morris, William
Bava, Luciana
Abrégé
The present embodiments generally relate to the treatment of produced water comprising one or more water soluble polymers, wherein such treatment comprises: adding to the produced water at least one iron complex; and degrading at least a portion of the one or more water soluble polymers. This treatment may result in a reduction of the viscosity of said produced water and/or the degradation of the water soluble polymers which are contained therein.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
C02F 1/72 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation
C02F 103/36 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de l'industrie chimique non prévue dans les groupes provenant de la fabrication de composés organiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Mikkola, Esa
Honkanen, Tapio
Nuutinen, Vesa
Abrégé
The present embodiments generally relate to the treatment of produced water such as produced water resulting from an industrial process such as one involving the use of copious amounts of water and the addition of one or more polymers such as viscosifying or thickening polymers, in particular enhanced oil recovery processes or another processes resulting in polymer flooded produced water. These treatment methods include contacting the produced water with one or more reducing agents and one or more metals, wherein said treatment may result in a reduction of the viscosity of said produced water and/or the degradation of polymers which are contained therein.
C02F 1/70 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par réduction
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 103/36 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de l'industrie chimique non prévue dans les groupes provenant de la fabrication de composés organiques
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Pelaez, Miguel
Fenderson, Thomas
Abrégé
The present embodiments generally relate to methods for the treatment of tailings, e.g., oil sands tailings, including methods comprising the use of one or more flocculants, one or more coagulants and one or more oxidants to treat said tailings and/or to improve the performance of said one or more flocculants.
C10G 33/06 - Déshydratation ou désémulsification des huiles d'hydrocarbures par des moyens mécaniques, p. ex. par filtration
C10G 27/02 - Raffinage des huiles d'hydrocarbures, en l'absence d'hydrogène, par oxydation avec un halogène ou des composés donneurs d'halogèneAcide hypochloreux ou ses sels
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
C10G 27/12 - Raffinage des huiles d'hydrocarbures, en l'absence d'hydrogène, par oxydation avec de l'oxygène ou des composés donnant de l'oxygène avec des composés donneurs d'oxygène, p. ex. avec des percomposés, avec l'acide chromique, avec des chromates
C10G 29/20 - Composés organiques ne renfermant pas d'atomes métalliques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
King, Alistair
Sklavounos, Evangelos
Laaksonen, Tiina
Rantamäki, Antti
Wiedmer, Susanne
Kyllönen, Lasse
Ruokonen, Suvi-Katriina
Abrégé
A hydrotropic composition including at least one surface active cationic component, which is selected from a group of cholinium, guadinium or tetramethylguadinium, preferably cholinium, and a straight or branched carboxylate anion having at least six carbon atoms and its uses, for treating of oil sands or the like, for treating tailings from separation of bitumen, asphaltenes or the like.
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Fenderson, Thomas
Kyllönen, Lasse
King, Alistair
Sklavounos, Evangelos
Fournier, Frances
Aujla, Sukhjit
Abrégé
A method and a composition for treating tailings from a separation process are disclosed, where bitumen is separated from mineral solids. Tailings include an aqueous phase with suspended solid particulate material and residual bitumen and have a dry solids content <25 weight-%. The method includes addition of a flocculating agent including polyacrylamide to the tailings, as well as addition of an auxiliary agent including ionic liquid to tailings in conjunction with the flocculating agent. Flocs, which include solid particulate material, are formed and the formed flocs are separated from the aqueous phase. The composition in a copolymer of (meth)acrylamide and an auxiliary agent comprising ionic liquid.
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
B01D 21/00 - Séparation par sédimentation de particules solides en suspension dans des liquides
B01D 21/01 - Séparation par sédimentation de particules solides en suspension dans des liquides en utilisant des agents de floculation
B01D 21/26 - Séparation du sédiment avec emploi de la force centrifuge
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Jackson, Logan
Lynch, Thomas J.
Robinson, Ronald
Fournier, Frances
Yang, Hong
Aujla, Sukhjit
Kim, Do Hoon
Alexis, Dennis Arun
Abrégé
An inverse emulsion composition comprising: one or more hydrophobic liquids having a boiling point at least about 100° C.; up to about 38% by weight of one or more acrylamide-(co)polymers; one or more emulsifier surfactants; and one or more inverting surfactants; wherein, when the composition is inverted in an aqueous solution, it provides an inverted solution having a filter ratio using a 1.2 micron filter (FR1.2) of about 1.5 or less.
C09K 8/584 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de tensio-actifs spécifiques
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
C09K 8/92 - Compositions pour activer la production en agissant sur la formation souterraine caractérisées par leur forme ou par la forme de leurs composants, p. ex. matériaux encapsulés
48.
Emulsions including polymers, treatment fluids including emulsions, and methods for treating subterranean formations
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Tellakula, Roopa
Abrégé
Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, and an inverting surfactant composition comprising one or more surfactants selected from the group consisting of ethoxylated amine compounds, ethoxylated fatty acid compounds, and alkyl polyethyleneglycol ether carboxylic acid compounds, alkyl polyglycol ether carboxylic acid compounds, and salts or esters thereof. The emulsions are particularly suitable for use in brine.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Toivonen, Susanna
Johnstone, James
Härmä, Harri
Mundill, Paul
Abrégé
The invention relates to a method for determining a scale inhibitor concentration in a sample comprising at least a first scale inhibitor, which is a synthetic organic compound comprising at least one ionised group. The method comprises optionally diluting and/or purifying the sample, and allowing the sample to interact with a reagent comprising a lanthanide(III) ion. The sample is excited at a first excitation wavelength and a sample signal deriving from the lanthanide(III) ion is detected at a signal wavelength by using time-resolved luminescence measurement, and the concentration of the at least first scale inhibitor in the sample is determined by using the detected sample signal.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Kyllönen, Lasse
Aujla, Sukhjit
Fournier, Frances
Fenderson, Thomas
King, Alistair
Sklavounos, Evangelos
Abrégé
The invention relates to a surfactant composition comprising an ionic liquid prepared from an unsubsituted or substituted primary, secondary or tertiary amine, or from an unsubstituted or substituted pyridine, amidine or guanidine with at least one fatty acid and/or resin acid. The invention also relates to a method for treating bitumen froth from a separation process, where bitumen is separated from mineral solids. The method comprises addition of said surfactant composition to the diluent and/or to the froth before phase separation.
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
C10C 3/00 - Traitement du brai, de l'asphalte, du bitume
B03D 1/02 - Procédés de flottation par formation d'écume
C08L 95/00 - Compositions contenant des matières bitumeuses, p. ex. asphalte, goudron ou brai
C09K 8/524 - Compositions pour éviter, limiter ou éliminer les dépôts, p. ex. pour le nettoyage les dépôts organiques, p. ex. paraffines ou asphaltènes
C09K 8/584 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de tensio-actifs spécifiques
C07C 215/40 - Composés contenant des groupes amino et hydroxy liés au même squelette carboné ayant des groupes hydroxy et des groupes amino liés à des atomes de carbone acycliques du même squelette carboné avec des atomes d'azote quaternisés liés à des atomes de carbone du squelette carboné
C07C 279/04 - Dérivés de la guanidine, c.-à-d. composés contenant le groupe les atomes d'azote liés par des liaisons simples ne faisant pas partie de groupes nitro ou nitroso ayant des atomes d'azote de groupes guanidine liés à des atomes de carbone acycliques d'un squelette carboné
C11C 3/00 - Graisses, huiles ou acides gras obtenus par transformation chimique des graisses, huiles ou acides gras, p. ex. ozonolyse
51.
Compositions of dry acid polymers and uses thereof
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Wilson, Duane C.
Fenderson, Thomas
Maasen, Igal
Aujla, Sukhjit
Abrégé
The present embodiments generally relate to the use of one or more polymers, e.g., one or more dry acid polymers and/or one or more dry acid polymers with salt, as flocculants, generally for treating tailings, e.g., oil sands tailings, in need of solid-liquid separation, e.g., in order to efficiently recycle water and/or to reduce the volume of tailings which may be transferred to a tailings pond and/or a dedicated disposal area.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Toivonen, Susanna
Johnstone, James
Härmä, Harri
Lehmusto, Mirva
Tiittanen, Satu
Väisänen, Pave
Siivonen, Joonas
Mundill, Paul
Abrégé
The invention relates to a method for analysing a sample comprising at least a first and a second scale inhibitor, which scale inhibitors are synthetic organic compounds comprising at least one ionised group. The method comprises optionally diluting and/or purifying the sample, and allowing the sample interact with a reagent comprising lanthanide(III) ion. The sample is excited at a first excitation wavelength and a sample signal deriving from the lanthanide(III) ion is detected at a signal wavelength by using time-resolved luminescence measurement. The total concentration of the first and the second scale inhibitor is determined by using the detected sample signal, and the concentration of the first scale inhibitor in the sample is determined. The concentration of the second scale inhibitor is determined mathematically by using the obtained results for the total concentration and for the first scale inhibitor concentration.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
G01N 1/38 - Dilution, dispersion ou mélange des échantillons
53.
Emulsions, treatment fluids and methods for treating subterranean formations
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Waterman, Paul
Jackson, Logan
Nguyen, Danny
Robinson, Ronald
Abrégé
Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, one or more ethoxylated amine compounds and optionally, one or more organic or inorganic salts. The emulsions are particularly suitable for use in harsh brine conditions.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Kyllönen, Lasse
King, Alistair
Kiljunen, Samantha
Hesampour, Mehrdad
Abrégé
The invention relates to a use of a reversible molten salt for separating hydrocarbons, such as crude bitumen and/or heavy crude oil, from material comprising mineral solids. The invention relates also to a method comprising at least the steps of: (a) bringing a liquid phase comprising a reversible molten salt, preferably a reversible ionic liquid, in a contact with mineral solids comprising hydrocarbons and extracting hydrocarbons to the liquid phase from the mineral solids; (b) separating the mineral solids phase from the liquid phase, which comprises molten salt and hydrocarbons; (c) separating hydrocarbons from the liquid phase comprising molten salt; and (d) recycling the liquid phase comprising molten salt to step (a).
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
55.
Cross-linked acrylamide polymer or copolymer gel and breaker compositions and methods of use
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Li, Jiang
Tellakula, Roopa
Rosencrance, Scott
Abrégé
Well treatment fluids, and methods for treating wellbores or fracturing subterranean formations, which include acrylamide polymer or copolymer crosslinked with one or more crosslinkers and one or more iron-containing compounds are provided. The fluids and methods may be used to carry proppants into fractures and to increase fluid recovery in hydraulic fracturing applications
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemicals used in industry; chemicals for the oil and gas
industry; chemical preparations for the oil and gas
industry; polymers for industrial use; chemicals for
enhanced recovery of oil; chemicals for treatment of waste
water and effluents for the oil and gas industry. Scientific and technological services and research and
design relating thereto; industrial analysis and research
services; design and development of computer hardware and
software; scientific services relating to the extraction of
oil and gas; scientific services relating to oil field
exploitation for the extraction of oil; technical data
analysis in the field of oil and gas exploration;
technological advice in the area of oil and gas recovery;
scientific laboratory services for enhanced oil recovery
from oil wells; engineering services for enhanced oil
recovery from oil wells; engineering and technological
services for improving efficiency and output of oil and gas
wells; development of technologies for increasing oil and
gas production; design and development of industrial
processes for increasing oil and gas production; development
and analysis of industrial and technological processes,
methods for prevention of oil and gas well clogging;
measuring of waterflood response; technological consultation
services in the field of oil recovery.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Li, Jiang
Tellakula, Roopa
Abrégé
Methods for fracturing a subterranean formation penetrated by a well bore are provided, the method comprising the step of injecting a well treatment fluid into the well bore at a pressure and flow rate sufficient to fracture the subterranean formation, wherein the well treatment fluid comprises one or more iron-containing compounds and one or more booster compounds. The methods can be used to reduce viscosity and to facilitate the decomposition of acrylamide-containing polymers.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Toivonen, Susanna
Johnstone, James
Härmä, Harri
Mundill, Paul
Abrégé
The invention relates to a method for determining a scale inhibitor concentration in a sample comprising at least a first scale inhibitor, which is a synthetic organic compound comprising at least one ionized group. The method comprises optionally diluting and/or purifying the sample, and allowing the sample to interact with a reagent comprising a lanthanide(III) ion. The sample is excited at a first excitation wavelength and a sample signal deriving from the lanthanide(III) ion is detected at a signal wavelength by using time-resolved luminescence measurement, and the concentration of the at least first scale inhibitor in the sample is determined by using the detected sample signal.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Toivonen, Susanna
Johnstone, James
Härmä, Harri
Lehmusto, Mirva
Tiittanen, Satu
Väisänen, Pave
Siivonen, Joonas
Mundill, Paul
Abrégé
The invention relates to a method for analysing a sample comprising at least a first and a second scale inhibitor, which scale inhibitors are synthetic organic compounds comprising at least one ionised group. The method comprises optionally diluting and/or purifying the sample, and allowing the sample interact with a reagent comprising lanthanide(III) ion. The sample is excited at a first excitation wavelength and a sample signal deriving from the lanthanide(III) ion is detected at a signal wavelength by using time-resolved luminescence measurement. The total concentration of the first and the second scale inhibitor is determined by using the detected sample signal, and the concentration of the first scale inhibitor in the sample is determined. The concentration of the second scale inhibitor is determined mathematically by using the obtained results for the total concentration and for the first scale inhibitor concentration.
G01N 21/77 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Harma, Harri
Abrégé
A method for determining samples including one or more organic polymers by mixing them with lanthanide(III) ions and detecting the signal of the lanthanide(III) ion chelated with the organic polymer.
G01N 33/542 - Tests immunologiquesTests faisant intervenir la formation de liaisons biospécifiquesMatériaux à cet effet avec formation d'un complexe immunologique en phase liquide avec inhibition stérique ou modification du signal, p. ex. extinction de fluorescence
G01N 33/58 - Analyse chimique de matériau biologique, p. ex. de sang ou d'urineTest par des méthodes faisant intervenir la formation de liaisons biospécifiques par ligandsTest immunologique faisant intervenir des substances marquées
61.
Methods for improving friction reduction in aqueous brine
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Jackson, Logan
Kolla, Harsha
Abrégé
Methods for improving friction reduction properties of an aqueous treatment fluid are provided, wherein the resultant aqueous treatment fluid has an improvement in friction reduction, when compared to a similar aqueous treatment fluid in which the inverted emulsion does not contain salt.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Li, Jiang
Tellakula, Roopa
Lynch, Tom
Kolla, Harsha
Jackson, Logan
Abrégé
Methods and well treatment fluids for fracturing a subterranean formation penetrated by a well bore are provided, the method comprising injecting a well treatment fluid into the well bore at a pressure and flow rate sufficient to fracture the subterranean formation, wherein the well treatment fluid comprises an iron-containing breaker compound. The methods can be used to reduce viscosity of well treatment fluids.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
(1) Chemicals for the oil and gas industry; chemical preparations for the oil and gas industry; polymers for industrial use; chemicals for enhanced recovery of oil; chemicals for treatment of waste water and effluents for the oil and gas industry (1) Scientific services relating to the extraction of oil and gas; scientific services relating to oil field exploitation for the extraction of oil; technical data analysis in the field of oil and gas exploration; technological advice in the area of oil and gas recovery; scientific laboratory services for enhanced oil recovery from oil wells; engineering services for enhanced oil recovery from oil wells; engineering and technological services for improving efficiency and output of oil and gas wells; research and development of new products for others, namely development of products to increase oil and gas production; development of industrial processes for increasing oil and gas production; development and analysis of industrial and technological processes, methods for prevention of oil and gas well clogging; measuring of waterflood response; technological consultation services in the field of oil recovery
64.
Gel compositions for hydraulic fracturing applications
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Li, Jiang
Tellakula, Roopa
Abrégé
Gel compositions comprising an acrylamide polymer or copolymer crosslinked with dialdehyde, methods to produce the gel compositions, wellbore treatment fluids comprising the gel compositions, and methods of treating a well bore comprising injecting the gel compositions, are provided. In the drilling, completion, and stimulation of oil and gas wells, well treatment fluids are often pumped into well bore holes under high pressure and at high flow rates causing the rock formation surrounding the well bore to fracture.
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Nuutinen, Vesa
Toivonen, Susanna
Abrégé
Scale-inhibiting polymers comprising one or more scale-inhibiting units and one or more tagging units, wherein each tagging unit is formed from a compound of Formula I, II, III, or IV, or a salt, hydrate, salt hydrate, stereoisomer, dehydrate or derivative thereof. Scale-inhibiting compositions comprising the scale-inhibiting polymers, processes for determining a concentration of a scale-inhibiting polymer for inhibiting scale formation, and methods for preventing or controlling scale formation in systems comprising fluid circulation with the scale-inhibiting polymers are also disclosed herein.
C02F 5/12 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p. ex. par addition d'agents séquestrants en utilisant des substances organiques contenant de l'azote
C09K 11/06 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances organiques luminescentes
C08F 226/00 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par une liaison simple ou double à l'azote ou par un hétérocycle contenant de l'azote
C02F 103/02 - Eau non contaminée, p. ex. pour l'alimentation industrielle en eau
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c.-à-d. de la production, de la purification ou du traitement de métaux, p. ex. déchets de procédés électrolytiques
C02F 103/28 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant du traitement de plantes ou de parties de celles-ci provenant de l'industrie du papier ou de la cellulose
C02F 103/32 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de l'industrie alimentaire, p. ex. eaux résiduaires de brasseries
C02F 103/36 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de l'industrie chimique non prévue dans les groupes provenant de la fabrication de composés organiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Kolari, Marko
Gammon, Sherrill
Simell, Jaakko
Abrégé
Methods of treating a gas field fluid or oil field fluid is provided, the method comprising: a) adding glutaraldehyde to the gas field fluid or oil field fluid in an amount effective to reduce or inhibit microbial activity; and b) after a delay, adding 3,5-dimethyl-1,3,5-thiadiazinane-2-thione to the gas field fluid or oil field fluid.
C09K 8/58 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement
C09K 8/68 - Compositions à base d'eau ou de solvants polaires contenant des composés organiques
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Mortimer, David A.
Jackson, Robert J.
Huang, Sun-Yi
Abrégé
Anionic polymers comprising. organic counterfoils exhibit improved biodegradability. The anionic polymers are useful as antiscalants. The biodegradability of an anionic polymer may be improved by replacing inorganic counterions with organic counterions.
C02F 5/12 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p. ex. par addition d'agents séquestrants en utilisant des substances organiques contenant de l'azote
C02F 5/14 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p. ex. par addition d'agents séquestrants en utilisant des substances organiques contenant du phosphore
C23F 14/02 - Prévention de l'entartrage ou des incrustations dans les appareils destinés à chauffer des liquides à des fins physiques ou chimiques par des moyens chimiques
C09K 8/528 - Compositions pour éviter, limiter ou éliminer les dépôts, p. ex. pour le nettoyage les dépôts inorganiques, p. ex. sulfates ou carbonates
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
68.
THERMAL INITIATORS FOR POLYMERIZATIONS IN MINERAL OIL AND METHODS
STERLING SPECIALTY CHEMICALS HOLDING UK LIMITED (Royaume‑Uni)
Inventeur(s)
Yang, Hong
Patil, Shradha
Robinson, Ronald
Tellakula, Roopa
Abrégé
Compositions, such as emulsions, that include water, a hydrophobic liquid, a polymer, and a breaker. Inverting packages that include a breaker. The breaker may include a tallow amine ethoxylate. The polymer may include a repeat unit that includes a sulfonic acid moiety or a sulfonate moiety. Inverted emulsions and treatment fluids that include inverted emulsions. Methods of treating subterranean formations with treatment fluids.