A method and system for determining a mass of an absorbed gas and a mass of a pore gas in a sample using NMR spectroscopy is provided. The method includes acquiring a baseline NMR spectrum of a pressure cell containing the sample, saturating the sample with a gas, acquiring a saturated NMR spectrum and determining a differential NMR spectrum of the sample by subtracting the baseline NMR spectrum from the saturated NMR spectrum. The method also includes separating the differential NMR spectrum into an absorbed gas NMR spectrum to determine an absorbed gas NMR signal and a pore gas NMR spectrum to determine a pore gas NMR signal by performing a spectral deconvolution. The method further includes acquiring a normalization NMR spectrum of the pressure cell containing a gas to determine a gas calibration NMR signal and determining the mass of the absorbed gas and pore gas.
G01N 24/08 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin en utilisant la résonance magnétique nucléaire
A cement bond test cell includes an outer cylinder and an inner cylinder coaxially disposed within the outer cylinder along a central axis. The inner cylinder defines an inner volume configured to be filled with a fluid. An annulus is formed between the outer cylinder and the inner cylinder and configured to be filled with a test cement. The cement bond test cell further includes an acoustic transmitter disposed within the inner volume and configured to be acoustically coupled to an interior surface of the inner cylinder by the fluid. The cement bond test cell further includes at least one acoustic receiver acoustically coupled to an exterior surface of the outer cylinder.
G01N 3/24 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts permanents de cisaillement
G01N 29/07 - Analyse de solides en mesurant la vitesse de propagation ou le temps de propagation des ondes acoustiques
G01N 29/14 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonores; Visualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet utilisant des techniques d'émission acoustique
Systems and methods for automated first arrival picking are disclosed. The method includes obtaining a seismic dataset composed of a plurality of seismic gathers and determining a pilot for each gather, where the pilot includes a position on an ordinate axis for each seismic trace representing a first arrival. The method continues iteratively until a stopping criterion is met by creating a preconditioned gather using the pilot, determining a differential pilot using global path tracing subject to a constraint and incrementing the pilot using the differential pilot to create a total picked first arrival. Once the stopping criterion has been met, the method further includes determining a final picked first arrival based on the total picked first arrival, determining a seismic velocity model from the final picked first arrival using a tomographic inversion and creating a seismic image using the seismic velocity model and the seismic dataset.
G01V 1/34 - Représentation des enregistrements sismiques
E21B 44/00 - Systèmes de commande automatique spécialement adaptés aux opérations de forage, c. à d. systèmes à fonctionnement autonome ayant pour rôle d'exécuter ou de modifier une opération de forage sans l'intervention d'un opérateur humain, p.ex. systèmes de ; Systèmes spécialement adaptés à la surveillance de plusieurs variables ou conditions de forage
E21B 47/0224 - Détermination de l'inclinaison ou de la direction du trou de forage, p.ex. à l'aide de géomagnétisme utilisant des moyens sismiques ou acoustiques
Well treatment fluids may include solid particles comprising one or more components selected from the group consisting of urea, ammonium nitrate, ammonium chloride, barium hydroxide, and ammonium thiocyanate. These well treatment fluids may also include a carrier fluid, which may be an aqueous polymeric fluid, an oil, or combinations thereof. The aqueous polymeric fluid may include a polymer selected from the group consisting of guar gum, hydroxypropyl guar, carboxymethyl hydroxypropyl guar, cellulose, or polyacrylamide. The oil may include a material selected from the group consisting of diesel, mineral oil, and wax. Methods for reducing an acid carbonate reaction in a carbonate formation may include pumping a composition of solid particles into a formation; releasing the solid particles from the capsules or emulsion within the formation; and injecting an acid following the releasing step or during pumping, wherein the acid carbonate reaction is carried out at a reduced reaction rate.
C09K 8/528 - Compositions pour éviter, limiter ou éliminer les dépôts, p.ex. pour le nettoyage les dépôts inorganiques, p.ex. sulfates ou carbonates
C09K 8/36 - Compositions de forage non aqueuses, p.ex. à base d'huile Émulsions eau-dans-l'huile
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
An electric submersible pump (ESP), comprising: an intake that suctions fluids into the ESP, wherein the fluids include a mixture of gas, water, and oil; a discharge that discharges the fluids from the ESP; an acoustic intake transducer that determines the speed of sound in the fluids suctioned into the ESP at the intake; and a first acoustic discharge transducer that determines the speed of sound in the fluids discharged from the ESP, wherein the speed of sound of the fluid at both intake and discharge is used to calculate a gas volume fraction difference of the multiphase fluid mixture across the intake and discharge of the pump, and wherein the gas volume fraction difference is used as feedback to control the ESP.
A cement emulsion comprising a cement, water, and carbon dioxide is provided. The carbon dioxide may be liquid or super critical and is dispersed in the cement emulsion composition. A method of producing a cement emulsion composition is also provided. The method includes mixing a cement and water to form a hydrated cement composition, and emulsifying the hydrated cement composition with liquid or supercritical CO2. An article comprising the cement emulsion composition is provided. Further, a method of treating a wellbore comprising producing a cement emulsion composition and pumping the cement emulsion composition into a wellbore, and a method of manufacturing an article comprising producing a cement emulsion composition and 3D printing the cement emulsion composition are also provided.
A concrete emulsion comprising a cement, aggregate, water, and carbon dioxide is provided. The carbon dioxide may be liquid or super critical and is dispersed in the concrete emulsion composition. A method of producing a concrete emulsion composition is also provided. The method includes mixing a cement, aggregate, and water to form a hydrated concrete composition, and emulsifying the hydrated concrete composition with liquid or supercritical CO2. An article comprising the concrete emulsion composition is provided. Further, a method of treating a wellbore comprising producing a concrete emulsion composition and pumping the concrete emulsion composition into a wellbore, and a method of manufacturing an article comprising producing a concrete emulsion composition and 3D printing the concrete emulsion composition are also provided.
C09K 8/46 - Compositions de cimentation, p.ex. pour la cimentation des tubes dans les trous de forage; Compositions de bouchage, p.ex. pour tuer des puits contenant des liants inorganiques, p.ex. ciment Portland
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p.ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
C04B 40/02 - Choix de l'environnement pour le durcissement
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p.ex. leur aptitude à prendre ou à durcir
A method for determining multi-phase flow properties of a fluid is disclosed. The method includes measuring a first time for a first ultrasonic signal to be emitted from a first transducer into the fluid, reflected off an inner surface of the pipeline, and received back at the first transducer. Measuring a second time for the first ultrasonic signal to be emitted from the first transducer into the fluid and received at a second transducer. Calculating, using the first time and the second time, at least one of: a liquid to gas ratio, a fluid density, a gas holdup, a liquid holdup, and a fluid velocity of the fluid flowing through the pipeline.
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasons; Circuits pour faire fonctionner les débitmètres à ultrasons
G01F 1/7082 - Mesure du temps de parcours d'une distance déterminée utilisant des dispositions de détection acoustique
G01F 15/08 - Séparateurs d'air ou de gaz en combinaison avec des compteurs de liquides; Séparateurs de liquide en combinaison avec des compteurs de gaz
G01N 29/024 - Analyse de fluides en mesurant la vitesse de propagation ou le temps de propagation des ondes acoustiques
G01N 29/22 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonores; Visualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet - Détails
9.
DEVELOPMENT OF ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER DRAG REDUCER WITH IMPROVED MECHANICAL AND CHEMICAL STABILITY
A drilling fluid composition comprising a base fluid, and a drag reducing agent including an ultra-high molecular weight branched block copolymer having the following structure,
A drilling fluid composition comprising a base fluid, and a drag reducing agent including an ultra-high molecular weight branched block copolymer having the following structure,
A drilling fluid composition comprising a base fluid, and a drag reducing agent including an ultra-high molecular weight branched block copolymer having the following structure,
where monomer A is an anionic monomer, monomer B is a hydrophilic monomer, monomer C is an anionic monomer, monomer D is a crosslinker-divinyl monomer, and —SSCZ ground being a terminal RAFT agent.
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
C08F 299/02 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés
10.
AMPHIPHILIC BLOCK COPOLYMER SURFACTANT FOR ATTENUATING ACID REACTIVITY DURING ACID STIMULATION OF CARBONATE RICH RESERVOIRS
A composition for treating a formation includes a surfactant including an amphiphilic block copolymer having a first block and a second block and an acid. The amphiphilic block copolymer is a reaction product of a first monomer and a second monomer via a reversible addition-fragmentation chain transfer polymerization (RAFT) in a two-step reaction using a chain transfer agent (CTA) and a radical initiator. The surfactant favors adsorption onto a surface of the formation such that a temporary barrier is formed, thereby attenuating a reaction rate between the acid and the formation.
C09K 8/54 - Compositions pour inhiber in situ la corrosion dans les puits ou les trous de forage
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
C09K 8/74 - Produits chimiques érosifs, p.ex. acides combinés avec des additifs ajoutés à des fins spécifiques
E21B 43/27 - Procédés pour activer la production par formation de crevasses ou de fractures par emploi de produits chimiques érosifs, p.ex. d'acides
C09K 8/60 - Compositions pour activer la production en agissant sur la formation souterraine
11.
METHOD AND SYSTEM FOR DETERMINING SEISMIC VELOCITIES USING GLOBAL PATH TRACING
A method may include obtaining seismic data for a geological region of interest. The method may further include determining various velocity semblance values for the geological region of interest using a time window and the seismic data. The method may further include determining, automatically by a computer processor, one or more stacking velocities for the geological region of interest using a traced path based on the velocity semblance values and a path tracing algorithm. The path tracing algorithm may recursively determine an accumulated amplitude array based on the velocity semblance values. The path tracing algorithm may further determine the traced path among the velocity semblance values and the accumulated amplitude array, the traced path corresponding to the one or more stacking velocities. The method may further include generating a velocity model of the geological region of interest using the one or more stacking velocities.
G01V 1/28 - Traitement des données sismiques, p.ex. pour analyse, pour interprétation, pour correction
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p.ex. correction de l'étalement; Etablissement d'une corrélation entre signaux sismiques; Elimination des effets produits par un excès d'énergie
12.
METHOD TO ATTENUATE ACID REACTIVITY DURING ACID STIMULATION OF CARBONATE RICH RESERVOIRS
Acidizing treatments for carbonate reservoir may include a surfactant comprising one or more of C8-C30-alkyloxyglycoside-substituted hydroxysultaine, C8-C30-alkylamidopropyl hydroxysulfobetaine, poly(diallyldimethylammonium chloride), C8-C30-alkyl amido alkylamine oxide, C8-C30-alkyl-amido amine oxide, C8-C30-alkyl amine oxide, C8-C30-alkyl aryl amine oxide, C8-C30-alkyl polyether phosphate, C8-C30-alkyl polyether phosphonate, C8-C30-alkyl ether phosphonate, C8-C30-alkyl amido ammonium propyl sulfonate, C8-C30-alkyl amido ammonium vinyl sulfonate, C8-C30-alkyl ether sulfonate, C8-C30-alkyl amido ammonium propyl sulfonate, C8-C30-alkyl ether sulfonate, alpha olefin sulfonate, C8-C30-alkyl benzene sulfonate, C8-C30-alkyl ethoxy carboxylate, C8-C30-alkylphenol ethoxylate carboxylate, and C8-C30-alkyl amido ammonium carboxylate. These acidizing treatments may also include an aqueous acid solution or mixture. In these acidizing treatments, the surfactant may be configured to partially or fully adsorb on a carbonate formation to retard the partial dissolution of the formation. Corresponding methods of reducing the reactivity of acidizing treatment may include introducing these acidizing treatments into wellbores such that the acidizing treatments contact carbonate formations.
A cement slurry may include an aqueous phase; a cement precursor material; and a hydrophilic branched star polymer. The hydrophilic branched star polymer is a crosslinked, polymerized reaction product of crosslinker C and hydrophilic monomer A and hydrophilic/hydrophobic monomer B and optionally hydrophilic/hydrophobic monomer D. The crosslinked polymerized reaction product includes a plurality of block copolymer segments of hydrophilic monomer A and hydrophilic/hydrophobic monomer B interconnected via crosslinker C; a plurality of block copolymer segments of hydrophilic monomer A, hydrophilic monomer B, and hydrophilic/hydrophobic monomer D interconnected via crosslinker C; or combinations thereof.
C04B 24/26 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p.ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
C09K 8/36 - Compositions de forage non aqueuses, p.ex. à base d'huile Émulsions eau-dans-l'huile
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
14.
ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS
A drilling fluid composition comprising a base fluid, and a viscosifier including an ultra-high molecular weight branched block copolymer having the following structure,
A drilling fluid composition comprising a base fluid, and a viscosifier including an ultra-high molecular weight branched block copolymer having the following structure,
A drilling fluid composition comprising a base fluid, and a viscosifier including an ultra-high molecular weight branched block copolymer having the following structure,
where monomer A is an anionic monomer, monomer B is a hydrophilic monomer, monomer C is an anionic monomer, monomer D is a crosslinker-divinyl monomer, and —SSCZ ground being a terminal RAFT agent.
A closed-loop drilling fluid condition system for drilling fluid mixing and recycling process is described. The closed-loop drilling fluid condition system improves drilling fluid quality, repeatability, utilization efficiency, and health, safety and environment (HSE) issues. In particular, the closed-loop drilling fluid condition system automates a water-based drilling fluid workflow or an oil-based drilling fluid workflow where individual stages are monitored and adjusted in real-time. Specifically, the individual stages are monitored in real-time using sensors and adjusted in real-time based on commands from a monitoring device to achieve specific drilling fluid parameters.
G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p.ex. la viscosité, la plasticité; Analyse des matériaux en déterminant les propriétés d'écoulement
G01N 9/00 - Recherche du poids spécifique ou de la densité des matériaux; Analyse des matériaux en déterminant le poids spécifique ou la densité
16.
METHOD AND SYSTEM FOR IMAGE-BASED RESERVOIR PROPERTY ESTIMATION USING MACHINE LEARNING
A method may include obtaining core image data regarding a geological region of interest. The method may further include obtaining well log data regarding the geological region of interest from one or more wells. The method may further include determining a sliding window that corresponds to a predetermined window size. The method may further include determining various quantitative image attributes using the core image data, the well log data, and the sliding window. The quantitative image attributes may be determined in a continuous manner by moving the sliding window along the core image data. The method may further include generating predicted rock data for the geological region of interest using the quantitative image attributes, a machine-learning algorithm, and a machine-learning model.
G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p.ex. des objets vidéo
G06V 10/56 - Extraction de caractéristiques d’images ou de vidéos relative à la couleur
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
G06V 10/762 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant le regroupement, p.ex. de visages similaires sur les réseaux sociaux
G06V 10/50 - Extraction de caractéristiques d’images ou de vidéos en utilisant l’addition des valeurs d’intensité d’image; Analyse de projection
G06V 10/771 - Sélection de caractéristiques, p.ex. sélection des caractéristiques représentatives à partir d’un espace multidimensionnel de caractéristiques
G01V 3/14 - Prospection ou détection électrique ou magnétique; Mesure des caractéristiques du champ magnétique de la terre, p.ex. de la déclinaison ou de la déviation fonctionnant par résonance magnétique électronique ou nucléaire
G01V 3/02 - Prospection ou détection électrique ou magnétique; Mesure des caractéristiques du champ magnétique de la terre, p.ex. de la déclinaison ou de la déviation fonctionnant par propagation de courant électrique
A method for a physics-driven deep learning-based inversion coupled to fluid flow simulators may include obtaining measured data for a subsurface region, obtaining prior subsurface data for the subsurface region, and obtaining a physics-driven standard regularized joint inversion for at least two model parameters. The method may further include obtaining a case-based deep learning inversion characterized by a contracting path and an expansive path. The method may further include forming the physics-driven deep learning inversion with the physics-driven standard regularized joint inversion, the case-based deep learning inversion, and a coupling operator based on a penalty function. The method may further include forming a feedback loop between the physics-driven standard regularized joint inversion and the case-based deep learning inversion for re-training the case-based deep learning inversion. The method may further include generating an inversion solution for reservoir monitoring.
G01V 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p.ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p.ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle
18.
Branched metal-organic framework nanoparticles in mixed-matrix membranes and associated methods
Compositions, devices, and methods relating to the use of mixed-matrix membranes containing metal-organic frameworks to separate gases are generally described. In some embodiments, branched nanoparticles made at least in part of metal-organic frameworks are described. In some embodiments, the morphology and size of the branched nanoparticles are controlled by the presence of a chemical modulator during synthesis. In some embodiments, the branched nanoparticles are uniformly distributed in a mixed-matrix membrane. In some embodiments, the mixed-matrix membrane is configured to separate one or more gases from a gas mixture. In some embodiments, the branched nanoparticles contribute at least in part to an increase in permeability, selectivity, and/or resistance to plasticization of the mixed-matrix membrane.
B01D 71/64 - Polyimides; Polyamide-imides; Polyester-imides; Polyamide-acides ou précurseurs similaires de polyimides
B01D 53/22 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par diffusion
A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.
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
A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.
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
A system and method for hydraulic fracturing including mixing seawater with an additive to precipitate sulfate from the seawater and mixing a flocculating agent with the seawater to agglomerate the sulfate precipitates.
Embodiments provide a method of encapsulating a solid cement additive. The method includes the step of applying a base film-forming monomer to the solid cement additive. The method includes the step of forming a coating layer surrounding the solid cement additive. The coating layer includes the base film-forming monomer. The method includes the step of applying an overlay film-forming monomer to the coating layer surrounding the solid cement additive. The method includes the step of reacting the base film-forming monomer and the overlay film-forming monomer to produce a polymer shell. The solid cement additive includes solid particles useful in cementing applications. The polymer shell includes a crosslinked polymer. The polymer shell surrounds the solid cement additive. The polymer shell has a permeability to water allowing controlled release of the solid cement additive.
C09K 8/467 - Compositions de cimentation, p.ex. pour la cimentation des tubes dans les trous de forage; Compositions de bouchage, p.ex. pour tuer des puits contenant des liants inorganiques, p.ex. ciment Portland contenant des additifs pour des utilisations spécifiques
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p.ex. leur aptitude à prendre ou à durcir
E21B 33/14 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage
C04B 40/06 - Inhibition de la prise, p.ex. pour mortiers du type à action différée contenant de l'eau dans des récipients frangibles
C09K 8/487 - Additifs régulant les pertes de fluide; Additifs pour réduire ou empêcher la perte de circulation
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p.ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
Research Foundation of The City University of New York (USA)
Inventeur(s)
Liang, Feng
Al-Muntasheri, Ghaithan A.
Li, Leiming
Reddy, B. Raghava
John, George
Adiyala, Vidyasagar
Abrégé
2-based fluid and the self-suspending proppants and methods of treating subterranean formations by contacting a subterranean formation with hydraulic fracturing fluid and propagating at least one subterranean fracture are provided.
C09K 8/80 - Compositions pour renforcer les fractures, p.ex. compositions pour agents de soutènement utilisés pour maintenir les fractures ouvertes
C09K 8/70 - Compositions pour la formation de crevasses ou de fractures caractérisées par leur forme ou par la forme de leurs composants, p.ex. mousses
2-based fluid and the self-suspending proppants and methods of treating subterranean formations by contacting a subterranean formation with hydraulic fracturing fluid and propagating at least one subterranean fracture are provided.
C09K 8/80 - Compositions pour renforcer les fractures, p.ex. compositions pour agents de soutènement utilisés pour maintenir les fractures ouvertes
C09K 8/70 - Compositions pour la formation de crevasses ou de fractures caractérisées par leur forme ou par la forme de leurs composants, p.ex. mousses
Research Foundation of The City University of New York (USA)
Inventeur(s)
Liang, Feng
Al-Muntasheri, Ghaithan A.
Li, Leiming
Reddy, B. Raghava
John, George
Adiyala, Vidyasagar
Abrégé
2-based fluid and the self-suspending proppants and methods of treating subterranean formations by contacting a subterranean formation with hydraulic fracturing fluid and propagating at least one subterranean fracture are provided.
C09K 8/80 - Compositions pour renforcer les fractures, p.ex. compositions pour agents de soutènement utilisés pour maintenir les fractures ouvertes
C09K 8/70 - Compositions pour la formation de crevasses ou de fractures caractérisées par leur forme ou par la forme de leurs composants, p.ex. mousses
A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.
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
A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.
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
An optimization method based on statistical modeling relating NGL plant process variables. The modeling may rely on input data from process history and modeled data. The method identifies process scenarios when a compressor from an associated propane/propylene refrigeration system may be deactivated and still allow the NGL plant to achieve product specification.
G05B 13/02 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
brevets
