Abrégé

The present disclosure discloses a visual monitoring system of crack propagation of an underwater structure based on an alternating current field, and an alternating current field crack visual monitoring and evaluation method. The method includes that: a coil is used to design and manufacture an alternating current field monitoring sensor array, n alternating current field monitoring sensor component is formed by packaging, a power amplifier component is designed to provide an excitation signal for the alternating current field monitoring sensor component, a differential amplifier component is designed to amplify a weak sensing signal, a multiplexing component is designed to realize time-sharing multiplexing of multiple sensing signals, a signal amplification and filtering component is designed to further amplify and filter the signal, a wave detection component is designed to convert an AC signal into a DC signal, and excitation signal generation, multiplexing control signal output and signal acquisition are realized.

Classes IPC  ?

• G01N 27/82 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques

Abrégé

The invention relates to a reaction system and method for preparing a high-quality mesophase pitch and co-producing a spinnable isotropic pitch. Catalytically or thermally cracked tar, FCC oil slurry clarified oil, fourth vacuum cut, deasphalted oil of naphthenic vacuum residue, QI-removed refined coal tar and anthracene oil are used as raw materials; a centrifugal reaction-separation device is used, and by means of alternate vertical and inclined rotation operations of a reaction sleeve twice to three times, raw materials in the reaction sleeve are uniformly heated for a condensation polymerization reaction, and mesophase products are enriched at the lower part of the reaction sleeve; and the molecular weight of the products is adjusted by matching the opening and closing of valves at the bottom of the sleeve and at the bottom of a device cavity with flash tanks, such that a high-quality mesophase pitch having a yield of 30-50% and a softening point of 220-300ºC and capable of realizing the continuous spinning of filaments that measure ten thousand meters or more, and a spinnable isotropic pitch having a yield of 40-50% and a softening point of 200-280ºC can be obtained separately. In the present invention, the problems of non-uniform material heating and long reaction and separation process are effectively solved, and a mesophase pitch and an isotropic pitch for high-quality spinning can be co-produced.

Classes IPC  ?

• C10C 1/04 - Traitement du goudron par distillation
• C10C 1/20 - Raffinage par des moyens chimiques
• C10C 3/06 - Traitement du brai, de l'asphalte, du bitume par distillation

Abrégé

The present invention relates to a low-cost method for preparing spinnable mesophase pitch. Using an aromatic hydrocarbon-rich fuel oil as a raw oil, preheated fresh raw oil is mixed with nitrogen gas, and then enters from an upper end of a variable-temperature variable-diameter tubular reactor and quickly passes through said reactor to obtain a pitch-like intermediate product having a softening point of 40-160 °C; then, same enters into a hot low pressure separation tank, nitrogen gas and a portion of light components are separated out at a top part of the hot low pressure separation tank, and a bottom product enters into a wiped film evaporator to remove and recover a light component, and a heavy component obtained at the bottom of the evaporator enters an mesophase storage tank, thereby obtaining high-quality spinnable mesophase pitch; a distillate greater than or equal to 200 °C among the nitrogen gas and the light component recovered by the hot low pressure separation tank and the wiped film evaporator is mixed and preheated, and same enters the reactor from a middle variable-diameter area of the reactor to carry out a cyclical reaction, so as to improve the conversion rate of mesophase pitch produced by raw oil. Low-cost, large-scale production of high-quality mesophase pitch can be achieved by means of a continuous-type rapid and cyclical reaction mode and a production system.

Classes IPC  ?

• C10C 1/04 - Traitement du goudron par distillation

Abrégé

A pile-side lateral static load device includes a jack system, a liftable jack cart, a loading jack fixing system, and a loading system. The jack system includes a jack body. The jack system is installed on the liftable jack cart through the loading jack fixing system. The loading system is installed on the loading jack fixing system, and the loading system includes counter-pressure loading systems and counter-tension loading systems. The pile-side lateral static load device has a simple structure, is convenient to install and operate, and can complete lateral loading and in-situ tests under different pile diameters, different tonnages and different precisions, so as to facilitate a simulation test of in-situ lateral loading of a pile.

Classes IPC  ?

• E02D 7/20 - Mise en place par pression ou traction
• B66F 3/44 - Dispositifs, p.ex. crics, adaptés pour lever des charges d'un mouvement continu avec moteurs électriques d'entraînement incorporés
• E02D 33/00 - Test des fondations

Abrégé

An underwater structure crack propagation visual monitoring system based on an alternating-current electromagnetic field, and an alternating-current electromagnetic field crack visual monitoring and evaluation method, which relate to the technical field of nondestructive testing defect evaluation. The method comprises: designing and manufacturing an alternating-current electromagnetic field monitoring sensor array by using coils; forming, by means of packaging, an alternating-current electromagnetic field monitoring sensor module; designing a power amplifying circuit to provide an excitation signal for the alternating-current electromagnetic field monitoring sensor module; designing a differential amplifying circuit to amplify a weak sensing signal; designing a multiplexing circuit to realize time division multiplexing of a multipath sensing signal; designing a signal filtering and amplifying circuit to further filter and amplify a signal; designing a detector circuit to convert an alternating-current signal into a direct-current signal; implementing, by using an ni acquisition card, excitation signal generation, multiplexing control signal output and signal acquisition; and finally, implementing the processing and acquisition of a structure crack propagation visual monitoring signal.

Classes IPC  ?

• G01N 27/85 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en étudiant des champs magnétiques de dispersion en utilisant des méthodes magnétographiques

Abrégé

2232433, and reacting a generated acid with the reservoir, thus achieving the effect of acidification to increase production and injection.

Classes IPC  ?

• E21B 43/22 - Emploi de produits chimiques ou à activité bactérienne
• B01D 53/60 - Elimination simultanée des oxydes de soufre et des oxydes d'azote
• B01D 53/78 - Procédés en phase liquide avec un contact gaz-liquide

Abrégé

The present application provides a method and device for predicting elastic parameters of a shale reservoir, and a storage medium. The method comprises: acquiring well logging data of shale; using a SCA model to determine the effective elastic modulus of a background matrix; performing free gas addition on hard pores by using an inclusion model, so as to determine the effective elastic modulus of the background matrix containing hard pores; using a micro-nano pore model that uses an adsorption gas ratio and the elastic modulus of an adsorption gas as surface elastic parameters to determine the effective elastic modulus of a nano-porous organic substance considering the adsorption gas, the surface effect of micro-nano pores in the micro-nano pore model being positively correlated with the adsorption gas ratio; using a Gassmann equation to determine the effective elastic modulus of a saturated nanoporous organic substance; using an anisotropic inclusion model to obtain an equivalent elastic matrix of the shale; and determining, according to the equivalent elastic matrix and density of the shale, the equivalent longitudinal wave velocity and the equivalent transverse wave velocity of the shale. Thus, the reasonable prediction of elastic parameters of a shale reservoir is achieved.

Classes IPC  ?

• G01V 1/30 - Analyse
• G01V 1/50 - Analyse des données

Abrégé

A microscopic visualization experimental device for simulating fluid displacement under high temperature and high pressure, the device comprising a reservoir temperature and pressure coordination control system, a displacement reaction system, a data collecting and processing system and an auxiliary system. A microscopic visualization experimental method for high-temperature and high-pressure gas flooding of deep oil reservoir, comprising the following steps: mounting a glass etching model (22); injecting a confining pressure liquid and controlling confining pressure; heating the confining pressure liquid in an annular reservoir confining-pressure cavity (15); placing the glass etching model (22) under a microscope (10); respectively filling crude oil and a displacement fluid medium into a heated thermostatic piston container (2), and regulating a back pressure unit (18) to simulated formation pressure; and carrying out a water injection and gas injection displacement experiment. The device and the method can be used for simulating the distribution state of oil, water and gas and fluid migration characteristics in a micro/nano-scale pore structure, quantitatively characterize a starting mechanism of microscopic residual oil in high-temperature and high-pressure water flooding, gas flooding and chemical flooding, and have important guiding significance for judging the distribution and magnitude of oil and water saturation in the process of oilfield reservoir development.

Classes IPC  ?

• G01N 33/24 - Matériaux de la terre
• G01N 13/04 - Recherche des effets osmotiques
• G01N 15/08 - Recherche de la perméabilité, du volume des pores ou de l'aire superficielle des matériaux poreux
• G01M 10/00 - Tests hydrodynamiques; Aménagements dans ou sur les bassins de tests des navires ou les tunnels hydrauliques
• H04N 5/76 - Enregistrement du signal de télévision

Abrégé

The present invention relates to the technical field of the preparation of advanced novel carbon materials. Provided are preparation methods for mesophase pitch and a high modulus pitch-based carbon fiber. The present methods comprise: treating heavy oil by means of liquid-solid adsorption chromatography (LSAC) and gel permeation chromatography (GPC) to obtain a modified raw material having a proper molecular weight and polarity; then performing thermal polycondensation on the modified raw material for 1-15 hours at the reaction temperature of 360-480°С and under the reaction pressure of 0-10 MPa to prepare high-quality mesophase pitch; and performing melt spinning on the mesophase pitch, and performing pre-oxidation, carbonization and graphitization treatment to obtain the high modulus pitch-based carbon fiber. The methods of the present invention are strong in raw material compatibility; the obtained mesophase pitch is excellent in quality, the mesophase content of the mesophase pitch is greater than or equal to 97%, and the softening point of the mesophase pitch is 170-350°С; the mesophase pitch has a large-area wide-area streamline optically anisotropic structure, and is good in spinnability and suitable for preparing a high modulus mesophase pitch-based carbon fiber.

Classes IPC  ?

• C10G 55/00 - Traitement des huiles d'hydrocarbures, en l'absence d'hydrogène, par au moins un procédé de raffinage et par au moins un procédé de craquage
• C10C 3/00 - Traitement du brai, de l'asphalte, du bitume
• D01F 9/145 - Filaments de carbone; Appareils spécialement adaptés à leur fabrication par décomposition de filaments organiques à partir de brai ou de résidus de distillation

Abrégé

A heating and temperature equalization method for local induction heat treatment performed on a thick-walled high-pressure apparatus after welding, comprising the following steps: step 1: spot-welding multiple temperature measurement thermocouples (1) to an inner wall and an outer wall of a circumferential weld (11) of a thick-walled high-pressure cylinder (8); step 2: respectively laying ceramic fiber thermal insulation blankets (7, 9) on an inner wall and an outer wall of the cylinder; step 3: wrapping a flexible water-cooled cable (10) around the ceramic fiber thermal insulation blanket (9) on the outer wall of the cylinder to form a heating coil, wherein an electric circuit of the flexible water-cooled cable (10) is connected to an induction heating power supply (3), and a water circuit of the flexible water-cooled cable (10) is connected to an industrial water chiller (5); and step 4: using the temperature measurement thermocouple (1) to monitor respective temperatures of the inner wall and the outer wall of the thick-walled cylinder (8), and using a maximum temperature difference T between the inner wall and the outer wall of the cylinder and a maximum temperature difference P in a circumferential direction of the outer wall to control temperature uniformity of a heating region. The method uses an induction heating process and heating characteristics thereof, thereby improving an energy utilization rate, improving the accuracy of temperature measurement, and reducing process preparation time for the local heat treatment.

Classes IPC  ?

• C21D 9/50 - Traitement thermique, p.ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliers; Fours à cet effet pour joints de soudure
• C21D 1/42 - Chauffage par induction
• C21D 11/00 - Commande ou régulation du processus lors de traitements thermiques

Abrégé

A method for preparing a needle coke for an ultra-high power electrode from a heavy oil. The method comprises separating components having a specific molecular volume with a relative molecular mass distribution of between 400-1000 from a heavy oil as raw materials; by means of a size exclusion separation method, using polystyrene as the packing of the separation column, and passing same through an ion exchange chromatography to remove acidic and alkaline components therein respectively, so as to obtain neutral raw materials; and subjecting the treated raw materials to a two-stage continuous carbonization process to prepare green coke, and high-temperature calcining the green coke to obtain the needle coke for an ultra-high power electrode having a true density of greater than 2.13 g/cm 3, with CTE≤1.15×10 -6/ºC measured at 25-600ºC. The method improves the pretreatment method, expands the source of raw materials, and optimizes the production process.

Classes IPC  ?

• C10B 55/00 - Cokéfaction des huiles minérales, bitumes, goudrons ou analogues, ou de leurs mélanges, avec des matières carbonées solides
• C10G 55/04 - Traitement des huiles d'hydrocarbures, en l'absence d'hydrogène, par au moins un procédé de raffinage et par au moins un procédé de craquage uniquement par plusieurs étapes en série comprenant au moins une étape de craquage thermique

Abrégé

A combined remediation treatment method for petroleum contaminated soil, comprising treatment steps of impurity removal pretreatment, photocatalytic pre-oxidation, step-by-step thermal desorption of petroleum-contaminated soil, and high-temperature oxidation. Oxidation pretreatment is performed under an illumination condition by taking iron-titanium composite metal oxide as a catalyst, so that some cross-linked structures in macromolecules of petroleum pollutant are broken and degraded; and then step-by-step pyrolysis treatment is performed to achieve a removal rate of 98.00% or more. The use of a combined technology of photocatalytic pre-oxidation and step-by-step pyrolysis remediation can achieve a relatively high petroleum hydrocarbon removal rate, and efficient harmless remediation of high-concentration petroleum contaminated soil, so that the remediated soil can be reused.

Classes IPC  ?

• B09C 1/00 - Régénération de sols pollués
• B09C 1/06 - Régénération de sols pollués par des procédés thermiques
• B09C 1/08 - Régénération de sols pollués par des procédés chimiques

Abrégé

Disclosed are a temporary plugging agent and a preparation method therefor, and a temporary plugging deflection fracturing method for a high temperature reservoir. The temporary plugging agent comprises the following components by mass fraction: acrylamide: 5%, a composite crosslinking agent: 1%, lithium magnesium silicate: 1%, ammonium persulfate: 0.1%, and water: 92.9%.

Classes IPC  ?

• C09K 8/512 - Composés macromoléculaires contenant des agents de réticulation
• C09K 8/516 - Compositions pour le plâtrage des parois de trous de forage, c. à d. compositions pour la consolidation temporaire des parois des trous de forage caractérisées par leur forme ou par la forme de leurs composants, p.ex. matériaux encapsulés
• E21B 33/13 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues
• E21B 43/26 - Procédés pour activer la production par formation de crevasses ou de fractures

Abrégé

The present invention provides a reinforced foam system based on the synergistic stabilization of rice hull ash. The reinforced foam system is composed of the following components in parts by weight: 0.6-0.8 parts of an anionic surfactant, 0.5-2 parts of rice hull ash particles, and 100 parts of water. In the present invention, the anionic surfactant and the rice hull ash particles are used to prepare a stable foam system, the hydrophobic property of the rice hull ash particles is improved, the rice hull ash particles can be irreversibly adsorbed to a bubble interface liquid film, a compact layer is formed on the interface by means of a flocculation effect, the viscoelasticity of the foam liquid film is improved, and foam liquid drainage and gas diffusion are reduced. Some of the undecomposed lignin and cellulose remaining in the rice hull ash has bridging and supporting effects, so that the stability of the foam is improved. By adding the rice hull ash, the viscosity of a liquid phase of a foam system can be enhanced, so that the liquid film thickness of foam is increased, gas fluidity can be reduced in a displacement process, gas channeling is slowed down, and the recovery ratio is increased.

Classes IPC  ?

• 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
• E21B 43/22 - Emploi de produits chimiques ou à activité bactérienne

Abrégé

A mechanical property detection apparatus and a force measurement system, relating to the technical field of hydrate experiment devices. The mechanical property detection apparatus comprises a reaction kettle (10), a thrust mechanism (20), and a force measurement sensor (21), wherein a reaction platform (11) and a reaction frame (12) provided on the reaction platform (11) are provided in the reaction kettle (10); one end of the thrust mechanism (20) extends into the reaction kettle (10) and can push the reaction frame (12) to move with respect to the reaction platform (11); and the force measurement sensor (21) is configured to measure a thrust when the thrust mechanism (20) pushes the reaction frame (12). Therefore, the technical problem in the prior art such as inconvenient testing of gas hydrate adhesion is mitigated.

Classes IPC  ?

• G01N 19/04 - Mesure de la force d'adhérence entre matériaux, p.ex. du ruban adhésif, d'un revêtement

Abrégé

Disclosed is a method for performing integral plugging control on water invasion and steam channeling of an edge-bottom water heavy oil reservoir. The method for performing integral plugging control on water invasion and steam channeling of an edge-bottom water heavy oil reservoir comprises the following steps: (1) selecting an oil reservoir; (2) arranging a huff-puff well; (3) performing steam huff-puff development; and (4) performing integral plugging control. An integral plugging control technology is used for the method, a high-strength nitrogen foam system is injected by means of well rows at different positions in the oil reservoir, and effective plugging walls are formed at different positions from the edge-bottom water to reduce water invasion and steam channeling.

Classes IPC  ?

• E21B 43/24 - Procédés de récupération assistée pour l'extraction d'hydrocarbures utilisant la chaleur, p.ex. injection de vapeur
• E21B 43/22 - Emploi de produits chimiques ou à activité bactérienne

Abrégé

Provided in the present invention is an MPTCP Incast performance evaluation model based on a queuing network. According to the present invention, on the basis of multi-homed FatTree topology, and the Markov property of an MPTCP data scheduling process, an M/M/N/m Ⅰ→M/M/L/m Ⅱ→M/M/K/m Ⅲmultilevel cooperative MPTCP Incast data transmission performance evaluation model is established on the basis of a queuing network; and M/M/N/m Ⅰ, M/M/L/m Ⅱand M/M/K/m Ⅲ respectively depict three-level cooperation processes that data traffic packets in an edge layer bottleneck link, a transmission hotspot ToR cluster and an aggregation layer bottleneck link reach. The model provided in the present invention obtains, by means of calculation, average end-to-end data transmission delay, better analyzes the delay performance of MPTCP Incast throughput collapse and provides a theoretical basis for MPTCP Incast performance analysis.

Classes IPC  ?

• H04L 12/26 - Dispositions de surveillance; Dispositions de test
• H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole
• H04L 12/24 - Dispositions pour la maintenance ou la gestion

Abrégé

The application relates to a viscosity reduction system for microwave exploitation of heavy oil and a preparation method thereof. The viscosity reduction system is magnetic graphene oxide. Adding the viscosity reduction system to heavy oil provides a significant viscosity-reducing effect after microwave treatment. The viscosity reduction system exhibits lipophilicity and can be adsorbed on oil droplets. Accordingly, the microwave-augmenting thermal effect thereof mainly acts on the oil layer, and as a result heat loss in the heat transfer process is decreased. The viscosity reduction system is magnetic, facilitating directional control and separation under the action of a magnetic field.

Classes IPC  ?

• C09K 8/592 - Compositions utilisées en combinaison avec de la chaleur générée, p.ex. par injection de vapeur

Abrégé

An expense optimization scheduling algorithm R-ACS based on an ant colony optimization system and combined with a conventional task probability upward weight is aimed at the problem of expense consumed for a virtual machine rented for cloud scientific workflow scheduling of deadline constraint, and aims to reduce the expense for renting a virtual machine for a whole cloud workflow task. According to the algorithm, the characteristic of mutual constraint among tasks in scientific workflows is considered, execution sequence of the tasks is sorted by utilizing the conventional probability upward weights, and then the ant colony optimization system is used for performing scheduling between tasks-resources by using optimization of a rent expense as a target under the deadline constraint, thereby effectively reducing the expense consumed for renting the virtual machine.

Classes IPC  ?

• G06Q 10/04 - Prévision ou optimisation spécialement adaptées à des fins administratives ou de gestion, p. ex. programmation linéaire ou "problème d’optimisation des stocks"

Abrégé

The present invention provides a YOLO convolutional neural network-based cholelithiasis CT medical image data enhancement method, comprising: constructing a medical image data enhancement convolutional neural network, the network consisting of four convolution units; first, constructing a medical image data set as an input to the neural network, and performing operations such as enhancing edge information and removing redundant information on an image; then, segmenting the image according to a segmentation threshold to form multiple image blocks; and expanding the data set by scaling, rotating, and translating, etc.. The convolutional neural network is continuously trained using the data set; functions of the network on the image, such as feature extraction, contrast stretching, histogram equalization, and image reconstruction, are self-adaptively enhanced; a convolutional neural network model for medical image data enhancement is generated. By means of the method, the medical image data enhancement function can be completed in real time, and a good visual effect and medical effect can be obtained.

Classes IPC  ?

• G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
• G06K 9/42 - Normalisation des dimensions de la forme
• G06N 3/04 - Architecture, p.ex. topologie d'interconnexion

Abrégé

Provided are an acidizing liquid for corroding clay minerals and a preparation method therefor. The acidizing liquid comprises the components of hydrochloric acid, fluoboric acid, acetic acid, trifluoroacetic acid, hydrogen peroxide, ammonium chloride, dimethylaminomethyl benzotriazole, an alkyl ammonium chloride and polypotassium methacrylate. The acidizing liquid provided by the present invention is capable of effectively corroding organics, such as clay minerals and cements, in a high-temperature oil and gas reservoir at 160°C or more, inhibiting the hydration swelling and migration of clay particles during acidizing, avoiding secondary precipitation in the reservoir, and improving the permeability of the reservoir. The acidizing liquid for corrosion is convenient to prepare on site and to use, and is safe and reliable.

Classes IPC  ?

• C09K 8/74 - Produits chimiques érosifs, p.ex. acides combinés avec des additifs ajoutés à des fins spécifiques

Abrégé

Discloses are a complex scene-based human body key point detection system and method. The method comprises: inputting monitor video information to obtain a single-frame static map and a multi-frame optical flow map; extracting features from the single-frame static map by means of a convolution operation to obtain a feature map, and in order to solve the impact of an interference target on personnel target detection under a complex scene, discriminating an actual confidence coefficient of the feature map from a preset confidence coefficient by using a personnel target detection algorithm to obtain a discretized personnel target bounding box; performing optical flow stacking on the multi-frame optical flow map to form a two-dimensional vector field; and extracting features in the discretized personnel target bounding box to obtain the feature map, obtaining key points and association degrees of parts, generating a part confidence map for each part of a human body by using a predictor, and precisely detecting human body key points by means of the part confidence map and the two-dimensional vector field. The system and method of the present invention are used for human body key point detection under a complex scene, thereby implementing precise detection of personnel target key points.

Classes IPC  ?

• G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
• G06K 9/46 - Extraction d'éléments ou de caractéristiques de l'image
• G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
• H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c. à d. systèmes dans lesquels le signal vidéo n'est pas diffusé

Abrégé

An nitrogen composite huff-puff method for a closed fault block oil reservoir, comprising: selecting an oil reservoir to be developed: coarsely screening the oil reservoir to which a development method is applicable according to the following conditions: the oil reservoir being a closed fault block oil reservoir, the burial depth < 5000 m, the remaining oil saturation > 0.5, the reservoir thickness > 10 m, the horizontal permeability > 100 mD, the ratio of the vertical permeability and the horizontal permeability > 0.35, the reservoir porosity > 0.20, the dip angle > 8°; and sequentially performing operations of the following huff-puff stages: a nitrogen huff-puff stage, a nitrogen and water composite huff-puff stage, a nitrogen and foaming agent composite huff-puff stage, and a nitrogen and carbon dioxide composite huff-puff stage. According to the method, from the perspective of improving the later-period effect of nitrogen huff-puff, slugs such as water, a foaming agent solution, and carbon dioxide are added to the nitrogen huff-puff, so that the sealing and yield increasing effect of the nitrogen huff-puff is effectively improved, and high-efficient and stable development of the closed fault block oil reservoir in the later-period of the nitrogen huff-puff is achieved.

Classes IPC  ?

• E21B 43/16 - Procédés de récupération assistée pour l'extraction d'hydrocarbures

Abrégé

Disclosed is an extra-heavy oil development method for strengthening an SAGD steam chamber so as to break through a low-physical-property reservoir. The extra-heavy oil development method for strengthening an SAGD steam chamber so as to break through a low-physical-property reservoir comprises the following steps: (1) selecting an oil deposit to be developed; (2) forming a well; (3) forming a steam chamber; (4) expanding the steam chamber; and (5) strengthening the steam chamber. By means of the method, the capability of breaking through a low-physical-property reservoir by means of a steam chamber can be improved, the development height of the steam chamber is increased, and the SAGD development effect of extra-heavy oil is further improved.

Classes IPC  ?

• E21B 43/24 - Procédés de récupération assistée pour l'extraction d'hydrocarbures utilisant la chaleur, p.ex. injection de vapeur

Abrégé

Provided is a single-point dual sensor-based gas-liquid stratified flow pipeline leakage positioning method. The method comprises: establishing a single-point dual sensor-based leakage positioning formula for a pipeline to be detected (S101); installing two sensors at the same point of one end of the pipeline to be detected (S102), a signal collected by the bottom sensor being an acoustic wave propagated by liquid in the pipeline, and a signal collected by the top sensor being an acoustic wave propagated by gas in the pipeline; processing the two acoustic waves to obtain a time difference (S103); substituting the sound velocity in a gas medium, the sound velocity in a liquid medium and the time difference into the single-point dual sensor-based leakage positioning formula (S104); and then positioning leakage (S105). The single-point dual sensor-based leakage positioning method avoids the installation of sensors at both ends of a pipeline, avoids the leakage detection of leaked acoustic wave signals by a single sensor, reduces the number of sensors for installation, and has a low cost, a high safety and strong applicability to a gas-liquid stratified flow pipeline. Further provided is a single-point dual sensor-based gas-liquid stratified flow pipeline leakage positioning system.

Classes IPC  ?

• G01M 3/24 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par détection de la présence du fluide à l'emplacement de la fuite en utilisant des vibrations infrasonores, sonores ou ultrasonores
• F17D 5/06 - Prévention, interception ou localisation des pertes utilisant des moyens électriques ou acoustiques

Abrégé

22222222 capture chain during a CCUS process.

Classes IPC  ?

• E21B 43/16 - Procédés de récupération assistée pour l'extraction d'hydrocarbures

Abrégé

A carbon nitride-based photocatalyst and a preparation method therefor, wherein the photocatalyst is prepared by reacting melcimide with 3,3,,4,4, ­­­­­­­benzophenone tetracarboxylic dianhydride, such that the energy levels of the melcimide structure and the 3,3,,4,4,­­­­­­ benzophenone tetracarboxylic dianhydride structure may match, which may reduce the energy difference between a singlet state and a triplet state, and promote inter-system channeling. The present invention may thus be beneficial in enhancing singlet oxygen production, and improving the capability thereof for selective photocatalytic oxidation.

Classes IPC  ?

• B01J 31/06 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques  contenant des polymères
• B01J 27/24 - Composés de l'azote
• C07C 46/06 - Préparation de quinones par oxydation avec formation de structures quinoïdes d'au moins un groupe hydroxyle d'un cycle aromatique à six chaînons
• C07C 50/32 - Quinones contenant des groupes dont les atomes d'oxygène sont liés par liaison simple à des atomes de carbone la structure quinoïde faisant partie d'un système cyclique condensé à deux cycles

Abrégé

A body posture recognition algorithm comprises the following steps: acquiring an optical flow vector for an image in a video to obtain a moving object region in the image; and using a body part-based method to perform body posture recognition on the moving object region. In the above algorithm, optical vectors for a sequence of images are acquired; data and space constraints are used to detect a change in the optical flow vectors between the sequence of images; robustness estimation is used to optimize a parameter; iteration and rectification are performed to obtain optical flow information; sliding window detection is performed on an extracted moving object region; comparison is performed to obtain a degree of similarity between the image and a body part shape template; a tree structure is used to model a human body; comprehensive calculation is performed, by means of information transmission, on correspondence of the image to respective body parts, thereby locating a human body in the image; back transmission is used to locate body parts, thereby realizing estimation of a body posture; a correspondence relationship between moving regions is calculated, thereby recognizing postures of multiple people, calculating the number of people, and tracking people.

Classes IPC  ?

• G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales

Abrégé

An inorganic fine particle enhanced foam system for an oil-gas field and a preparation method therefor. The enhanced foam system comprises a gas phase and a liquid phase, wherein the gas phase is nitrogen, carbon dioxide, or air, the liquid phase is prepared from the following raw material ingredients in percentage by mass: 0.2 to 0.8wt% of foaming agent, 0.5 to 2.0wt% of inorganic fine particles, and the balance of water, and the inorganic fine particles are fine particles which are captured and screened from atmosphere and of which the particle diameter is ≤2.5 μm. The enhanced foam system is not only aiding in efficient development of oil and gas resources, but also is capable of turning waste into wealth by utilizing inorganic fine particles, pollution brought to an air environment by inorganic fine particles can be reduced, the cost of raw materials is low, the preparation technology is simple, the operation cost is low, the production increment effect on oil and gas is good, and a high economic benefit is obtained.

Classes IPC  ?

• C09K 8/594 - Compositions utilisées en combinaison avec du gaz injecté

Abrégé

A horizontal well staged fracturing oil production method by injection and production in the same well. Multiple fracturing cracks perpendicular to a horizontal wellbore are generated at different parts of an oil reservoir by horizontal well staged fracturing; one of the cracks is selected as a fluid injecting channel, and the adjacent cracks at two sides serve as crude oil production channels; displacement crude oil flows to the cracks at two sides along the crack in the middle; a double-oil-pipe segmented packing technology is combined to pack the crack and the adjacent two cracks inside the horizontal well; a fluid is injected in from the middle crack; the displacement crude oil flows to the horizontal wellbore from the adjacent cracks at two sides; and produced liquid flows outside the wellbore along the other oil pipe channel to form a staged same-well injection and production system in the same horizontal well.

Classes IPC  ?

• E21B 43/26 - Procédés pour activer la production par formation de crevasses ou de fractures
• E21B 43/20 - Déplacement par l'eau
• E21B 43/16 - Procédés de récupération assistée pour l'extraction d'hydrocarbures
• E21B 43/10 - Mise en place de tubages, filtres ou crépines dans les puits

Abrégé

Provided are an electric-heating wax removal and prevention device with natural gas power generation based on skin effect and an application thereof. The device comprises a natural gas collecting part, a natural gas power generation part, and an electric-heating wax removal and prevention device powered by the natural gas power generation part. The natural gas collecting part is used for collecting and separating natural gas discharged from a shaft (12); and the natural gas power generation part uses the natural gas for power generation. A power source required for electric heating of a steel-armoured cable is from the natural gas power generation part. A gas source required by the natural gas power generation part can be directly obtained from associated gas produced from an oil well. Thus, the associated gas can be used, and the dependence of electric-heating wax removal and prevention technology on a power grid is avoided.

Classes IPC  ?

• E21B 36/04 - Aménagements pour le chauffage, le refroidissement, l'isolation, dans les trous de forage ou dans les puits, p.ex. pour être utilisés dans les zones de permagel utilisant des réchauffeurs électriques
• E21B 37/00 - Procédés ou appareils pour nettoyer les trous de forage ou les puits

Abrégé

An apparatus for preparing a compounded dispersion of hydrophobic nanoparticles and a surfactant comprises a water feeding pipeline (1), a compounding and mixing pipeline (2) and an aggregate feeding pipeline (3). The compounding and mixing pipeline (2) comprises an ultrasonic dispersator (4) and a liquid storage tank (5) which are connected in series to form a loop. A second plunger pump (6) is arranged between the ultrasonic dispersator (4) and the liquid storage tank (5) for materials circulating in only one direction. The water feeding pipeline (1) is connected with the top of the ultrasonic dispersator (4) and the aggregate feeding pipeline (3) is connected with the material outlet end of the liquid storage tank (5).

Classes IPC  ?

• B01F 11/02 - Mélangeurs avec mécanismes à secousses, oscillants ou vibrants au moyen de vibrations ultrasonores
• C09K 8/38 - Compositions de forage gazeuses ou en mousse

Abrégé

A buoy for a single point mooring system relates to a buoy used in a turret mooring system. The buoy comprises a fixed cylinder (8), an upper buoy (4), a lower buoy (7) and a mooring mechanism. The fixed cylinder (8) is vertically disposed. A rotating joint (16) is disposed on the upper end of the fixed cylinder (8). The upper buoy (4) is freely rotatably sleeved on the upper part of the fixed cylinder (8). The lower buoy (7) is freely rotatably sleeved on the lower part of the fixed cylinder (8). An anchor chain fixing mechanism is disposed at the bottom of the fixed cylinder (8). The longitudinal section of the upper buoy (4) is a sector with a big top and a small bottom. The longitudinal section of the lower buoy (7) is a sector with a big bottom and a small top. The mooring mechanism is fixed on the upper side of the upper buoy (4). The buoy for a single point mooring system forms a structure that is big in the end and small in the middle, so that the influence of wind, waves, and streams on the buoy can be greatly reduced, the wind and wave resistance is improved, and the influence of tide rise and tide fall on the force on anchor chains is effectively alleviated.

Classes IPC  ?

• B63B 22/02 - Coffres d'amarrage ou bouées spécialement adaptés pour l'amarrage d'un navire
• B63B 21/50 - Dispositifs d'ancrage pour navires spéciaux, p.ex. pour plates-formes flottantes de forage ou dragues

Abrégé

A device for evaluating the foaming property of a gas-soluble surfactant comprises an air source part, an evaluating kettle (17), a liquid part, and an intermediate container part. The evaluating kettle (17) in the device is internally provided with a first piston (15), so that in the experimental process, the pressure of the evaluating kettle (17) can be maintained or raised in a manner of pumping distilled water into the evaluating kettle (17) by using a first constant-flux pump (12); and the pressure of the evaluating kettle (17) can be reduced in a manner of discharging the distilled water out by opening a first set of valves (14), and therefore the control of the pressure of the evaluating kettle (17) is realized, and the cloud point pressure and the cloud point temperature of the gas-soluble surfactant in supercritical carbon dioxide can be conveniently measured. By means of the rotation of the evaluating kettle (17), the gas-soluble surfactant and the supercritical carbon dioxide can be sufficiently and evenly mixed with each other when the solubility of the gas-soluble surfactant in the supercritical carbon dioxide is measured, so that the phase equilibrium status is achieved; and the foam regenerating property of the gas-soluble surfactant can be evaluated since the gas-soluble surfactant can float under the effect of gravitational differentiation of the evaluating kettle (17) when the regenerating property of the gas-soluble surfactant is measured after the foam of the gas-soluble surfactant bursts.

Classes IPC  ?

• G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes

Abrégé

The invention relates to a giant construction tire forming drum. The forming drum comprises wide drum segments, narrow drum segments, drum segment expansion and contraction mechanisms and a narrow drum shoulder contraction mechanism. The narrow drum segment expansion and contraction mechanism is suspended on the inner side of the narrow drum segments, and is used for guiding narrow drum shoulders to be expanded and retracted in a direction at a certain included angle with the axis of the forming drum. The narrow drum shoulders of every two adjacent narrow drum segments have different degrees of contraction, and are arranged in different layers in a folded state. The drum segment expansion and contraction mechanisms form a triangular support to the wide drum segments and narrow drum segments in an unfolded state. According to the present invention, the narrow drum shoulder contraction mechanism is retracted in the vicinity of a main connecting rod and an auxiliary connecting rod when being folded, so that a folding space can be fully utilized, and high folding ratio is ensured. The narrow drum shoulders are arranged in different layers in a folded state, so that the phenomenon of lateral cutting of the narrow drum shoulders is avoided. The narrow drum shoulders are retracted towards the center of the forming drum along a guide rail at a certain included angle with the axis of the forming drum, so that the phenomenon of tangent tire blank squeezing caused by the axial contraction of the drum shoulders is avoided, and the forming quality of a giant engineering tire is improved. The triangular support of the drum segments expansion and contraction mechanism in an unfolded state improves the rigidity of the forming drum.

Classes IPC  ?

• B29D 30/24 - Tambours

Abrégé

The present invention relates to the field of organic compound synthesis, and specifically, relates to a sulfonate-type biomass surfactant based on a fatty acid methyl ester and a synthesis method thereof. A main component of city restaurant and kitchen swill waste oil is the fatty acid methyl ester. The sulfonate-type biomass surfactant based on the fatty acid methyl ester is prepared from the following steps: preparing fatty acid alkanolamide, and carrying out a sulfopropyl reaction. The sulfonate-type biomass surfactant based on the fatty acid methyl ester is applied in the field of oil production. The sulfonate-type biomass surfactant synthesized in the present invention has better surface activity and interfacial activity, is non-toxic, non-hazardous and degradable, does less harm to an environment and a stratum layer, can replace a conventional petroleum diesel-based surfactant, achieves purposes of resourceful comprehensive utilization of city restaurant and kitchen swill and added value improvement, and has a good application prospect; in addition, a synthesis reaction condition is mild, a preparation process is simple, and the process is reasonable, applying to scale production; the surfactant is used as an oil washing agent of a chemical flooding system in oil drilling, improves an oil washing effect, and thus improves a crude oil recovery rate.

Classes IPC  ?

• 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 303/32 - Préparation d'esters ou d'amides d'acides sulfuriques; Préparation d'acides sulfoniques ou de leurs esters, halogénures, anhydrides ou amides de sels d'acides sulfoniques
• C07C 309/15 - Acides sulfoniques ayant des groupes sulfo liés à des atomes de carbone acycliques d'un squelette carboné acyclique saturé contenant des atomes d'azote, ne faisant pas partie de groupes nitro ou nitroso, liés au squelette carboné contenant des groupes amino liés au squelette carboné l'atome d'azote d'au moins un des groupes amino faisant partie de l'un des groupes X étant un hétéro-atome, Y étant un atome quelconque

Abrégé

The invention belongs to the field of oilfield chemistry and specifically relates to a zirconium dispersed-particle gel combination flooding system. The zirconium dispersed-particle gel combination flooding system comprises multi-scale zirconium dispersed-particle gel, polyether nonionic surfactant, and mixing water; the mass fraction of multi-scale zirconium dispersed-particle gel is 0.16%-0.24% of the total mass of the combination flooding system; the mass fraction of polyether nonionic surfactant is 0.1%-0.4% of the total mass of the combination flooding system; the remainder is water, and the sum of the mass fractions of the components is 100%. The multi-scale zirconium dispersed-particle gel and polyether nonionic surfactant of the present invention have good synergies and oil/water interfacial tension is reduced to the order of 10-3 mN/m, significantly improving the oil-washing efficiency of the flooding agent, avoiding the adverse effects caused by polymer viscosity loss in two-component combination flooding or three-component combination flooding, avoiding the adverse effects caused by alkalis, and increasing the oil-displacement performance of the combination flooding system.

Classes IPC  ?

• 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

Abrégé

The present invention relates to the field of oilfield chemistry, and specifically relates to a heavy oil spontaneous emulsifying and viscosity-reducing system. The heavy oil spontaneous emulsifying and viscosity-reducing system comprises: a primary surfactant, a secondary surfactant, a base, a salt, and water; the mass fraction of the primary surfactant is 1.0% to 3.0% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the mass fraction of the secondary surfactant is 2.0% to 4.0% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the mass fraction of the base is 0.2% to 0.5% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the mass fraction of the salt is 1.0% to 5.0% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the remaining is water; the sum of the mass fractions of all components is 100%. The present invention has the following advantages: the viscosity reduction rate of the heavy oil spontaneous emulsifying and viscosity-reducing system can reach 98% and above, the invention substantially reduces the viscosity of the heavy oil relying on the effect of the spontaneous viscosity-reducing system, and the development effectiveness of heavy oil reserves is enhanced.

Classes IPC  ?

• 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

Abrégé

The present invention relates to a composite ionic liquid comprising ammonium cations and composite coordinate anions derived from two or more metal salts, wherein at least one metal salt is an aluminium salt and any further metal salt is a salt of a metal selected from the group consisting of Group IB elements of the Periodic Table, Group IIB elements of the Periodic Table and transition elements of the Periodic Table, wherein the ammonium cation is a N,N'-disubstituted imidazolium cation, the substituents independently being selected from C1-C10 alkyl, and C6-C10 aryl. The composite ionic liquid of the invention is a stable catalyst, which can suitably be used to run an ionic liquid alkylation process which produces less solids and an alkylate product comprising less organic chlorides as side products than processes known from the prior art.

Classes IPC  ?

• B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques 
• C07C 2/58 - Procédés catalytiques
• C07C 9/21 - Triméthyl-2,2,4 pentane
• C10G 50/00 - Production de mélanges d'hydrocarbures liquides à partir d'hydrocarbures à nombre inférieur d'atomes de carbone, p.ex. par oligomérisation

Abrégé

The invention relates to a process for the fluid catalytic cracking of oxygenated hydrocarbon compounds from biological origin, the process comprising a) contacting a feed comprising the oxygenated hydrocarbon compounds with a fluid catalytic cracking catalyst at elevated temperature to produce a cracked products stream, the feed comprising an amount of sulphur; b) separating catalyst from the cracked products stream; c) separating a light fraction from the cracked products stream; and d) removing hydrogen sulphide from the light fraction by means of an amine treating process; wherein the fluid catalytic cracking process involves the presence or use of water and/or steam, and wherein the fluid catalytic cracking process furthermore comprises a working-up process of the cracked products stream, in which working-up process one or more chemical additives for reducing or hindering the formation of foam in amine liquids selected from defoamers and demulsifiers are added to the amine solvent in one or more amine treaters.

Classes IPC  ?

• C10G 33/04 - Déshydratation ou désémulsification des huiles d'hydrocarbures par des moyens chimiques
• C10G 3/00 - Production de mélanges liquides d'hydrocarbures à partir de matières organiques contenant de l'oxygène, p.ex. huiles, acides gras
• C10G 11/18 - Craquage catalytique, en l'absence d'hydrogène, des huiles d'hydrocarbures avec catalyseurs solides mobiles préchauffés selon la technique du "lit fluidisé"
• C10G 70/06 - Post-traitement de mélanges non définis normalement gazeux obtenus par des procédés couverts par les groupes , , , , par des procédés physiques par mise en contact gaz-liquide

Abrégé

The present invention relates to a process for the fluid catalytic cracking of oxygenated hydrocarbon compounds from biological origin, the process comprising - contacting a feed comprising the oxygenated hydrocarbon compounds from biological origin and an amount of sulphur with a fluid cracking catalyst at a temperature of equal to or more than 400°C to produce a products stream; - separating fluid cracking catalyst from the products stream and separating a light fraction from the products stream; and - removing hydrogen sulphide from the light fraction by means of an amine treating process, in which amine treating process activated carbon is used to treat at least part of an amine solution used in the amine treating process or to treat at least part of the feed to the amine treating process.

Classes IPC  ?

• C10G 33/06 - Déshydratation ou désémulsification des huiles d'hydrocarbures par des moyens mécaniques, p.ex. par filtration
• C10G 70/06 - Post-traitement de mélanges non définis normalement gazeux obtenus par des procédés couverts par les groupes , , , , par des procédés physiques par mise en contact gaz-liquide
• C10G 3/00 - Production de mélanges liquides d'hydrocarbures à partir de matières organiques contenant de l'oxygène, p.ex. huiles, acides gras
• C10G 11/18 - Craquage catalytique, en l'absence d'hydrogène, des huiles d'hydrocarbures avec catalyseurs solides mobiles préchauffés selon la technique du "lit fluidisé"

Abrégé

A process for the fluid catalytic cracking of oxygenated hydrocarbon compounds from biological origin, the process comprising a) contacting a feed comprising the oxygenated hydrocarbon compounds from biological origin with a fluid cracking catalyst at a temperature of equal to or more than 400°C to produce a products stream; b) separating fluid cracking catalyst from the products stream and separating a fraction comprising one or more C1-C4 hydrocarbon compounds from the products stream; and c) processing the fraction comprising one or more C1-C4 hydrocarbon compounds in a work-up process, which work-up process comprises one or more oil/water separation steps; wherein one or more de-emulsifiers are added to one or more oil/water separation steps.

Classes IPC  ?

• C10G 33/04 - Déshydratation ou désémulsification des huiles d'hydrocarbures par des moyens chimiques
• C10G 11/18 - Craquage catalytique, en l'absence d'hydrogène, des huiles d'hydrocarbures avec catalyseurs solides mobiles préchauffés selon la technique du "lit fluidisé"
• C10G 3/00 - Production de mélanges liquides d'hydrocarbures à partir de matières organiques contenant de l'oxygène, p.ex. huiles, acides gras

Abrégé

The present invention relates to a continuous or non- continuous ionic liquid alkylation process comprising a step for solids removal, the process further comprising the steps (a) measuring the solids content in the ionic liquid alkylation process stream by on line (in situ) or off line sampling; (b) in response to the solids measurement signal, regulating the flow of the ionic liquid side stream to be sent to the solids removal device; (c) regulating the flow of the fresh ionic liquid inlet stream, for controlling the solids content in the ionic liquid alkylation process to a pre-defined level. The process of the invention provides a means to more efficiently run an ionic liquid alkylation process.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C10G 50/00 - Production de mélanges d'hydrocarbures liquides à partir d'hydrocarbures à nombre inférieur d'atomes de carbone, p.ex. par oligomérisation

Abrégé

The present invention relates to a process for preparing alkylate comprising the subsequent steps (a), (b) and (c) : (a) an alkylation step, wherein in a reaction zone a hydrocarbon mixture comprising at least an isoparaffin and an olefin is reacted with an ionic liquid catalyst to obtain an effluent comprising alkylate and solids, which latter are formed as side products in the alkylation step; (b) a separation step, wherein at least part of the alkylate-comprising effluent coming from the reaction zone is separated in a separator unit into a hydrocarbon- rich phase and an ionic liquid catalyst-rich phase which latter phase also comprises solids formed as side products during the alkylation reaction; and (c) a solids removal step, wherein the solids in ionic liquid catalyst-rich phase are separated from the ionic liquid catalyst using a suitable separating device; wherein the process further comprises a step following the separation step (b) and prior to the solids removal step (c), wherein an amount of an organic solvent is added to the ionic liquid catalyst-rich phase, which organic solvent has a viscosity which is significantly lower than that of the ionic liquid and which solvent is at least partially miscible with the ionic liquid. The process of the invention provides for more efficient solids removal than processes known from the prior art.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

Disclosed is an alkylation method using an ionic liquid as catalyst, which comprises separating a fraction with enriched alkyl halide from the alkylation product by distillation or adsorption and recycling it to the reaction system in the alkylation process, wherein the cation of the said ionic liquid catalyst comes from a hydrohalide of an alkyl-containing amine, imidazole or pyridine, and the anion comes from one or more metal compounds. The method can make good use of the alkyl halide in the alkylation product and prolong the service life of the ionic liquid catalyst. At the same time, the method reduces the halide concentration in the alkylate oil as well.

Classes IPC  ?

• C07C 2/60 - Procédés catalytiques avec des halogénures
• C10G 50/00 - Production de mélanges d'hydrocarbures liquides à partir d'hydrocarbures à nombre inférieur d'atomes de carbone, p.ex. par oligomérisation
• B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques 

Abrégé

The present invention provides process for preparing an alkylate comprising contacting in a reaction zone a hydrocarbon mixture comprising at least an isoparaffin and an olefin with an acidic ionic liquid catalyst under alkylation conditions to obtain an alkylate-comprising effluent, in which process: - solids are formed in the reaction zone; - a solids-comprising effluent comprising hydrocarbons and acidic ionic liquid is withdrawn from the reaction zone; and - at least part of the solids-comprising effluent is treated to remove at least part of the solids to obtain a solids-depleted effluent. The invention further provides a process for treating an acidic ionic liquid comprising at least 0.1wt% of solids based on the total weight of the acidic ionic liquid, wherein at least part of the solids are removed.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides a method for revamping an HF or sulphuric acid alkylation unit to an ionic liquid alkylation unit, wherein the HF or sulphuric acid alkylation unit comprise at least: -a reactor unit for contacting catalyst and hydrocarbon reactants; -a separator unit for separating a reactor effluent into a catalyst phase and an alkylate-comprising hydrocarbon phase; -a fractionator unit for fractionating the alkylate- comprising hydrocarbon phase into at least one stream comprising alkylate; and which method includes: -providing a second separator unit suitable for the separation of solids from liquids downstream of the reactor unit suitable to reduce the solids content in at least part of the reactor effluent.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides a process for preparing an alkylate, comprising: contacting in a reaction zone a hydrocarbon mixture comprising at least isoparaffin and an olefin with an acidic ionic liquid catalyst under alkylation conditions to obtain an alkylate; withdrawing an alkylate-comprising effluent from the reaction zone; separating at least part of the alkylate-comprising effluent into an hydrocarbon-rich phase and an ionic liquid catalyst-rich phase; fractionating part of the hydrocarbon-rich phase into at least an alkylate-comprising product and a isoparaffin-comprising stream; mixing another part of the hydrocarbon-rich phase with an olefin-comprising stream to form the hydrocarbon mixture; and providing the hydrocarbon mixture to the reaction zone.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides process for preparing an alkylate comprising contacting in a reactor a hydrocarbon mixture comprising at least an isoparaffin and an olefin with an acidic ionic liquid catalyst under alkylation conditions to obtain an alkylate, which process further comprises: -withdrawing an alkylate-comprising reactor effluent from the reactor, wherein the reactor effluent comprises an ionic liquid phase and a hydrocarbon phase; -separating at least part the reactor effluent into a hydrocarbon phase effluent and a multiple-phase effluent in a centrifugal separation unit; -fractionating at least part of said hydrocarbon phase effluent into at least a stream comprising alkylate and a stream comprising isoparaffin.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides process for preparing an alkylate comprising contacting in a reactor a hydrocarbon mixture comprising at least an isoparaffin and an olefin with an acidic ionic liquid catalyst under alkylation conditions to obtain an alkylate, which process further comprises: - withdrawing an alkylate-comprising reactor effluent from the reactor, wherein the reactor effluent comprises an ionic liquid phase and a hydrocarbon phase; - separating at least part the reactor effluent into an ionic liquid phase effluent and a multiple-phase effluent in a first separation unit; - separating at least part of the multiple-phase effluent into a hydrocarbon phase effluent and another effluent in a second separation unit; and recycling at least part of the ionic liquid phase effluent to the reactor.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides a method for revamping an HF or sulphuric acid alkylation unit to an ionic liquid alkylation unit, wherein the HF or sulphuric acid alkylation unit comprises at least: - a reactor unit for contacting catalyst and hydrocarbon reactants; - a separator unit for separating a reactor effluent into a catalyst phase and an alkylate-comprising hydrocarbon phase; - a fractionator unit for fractionating the alkylate-comprising hydrocarbon phase into at least one stream comprising alkylate; and which method includes one or more of : i) providing a means for recycling at least part of the reactor effluent to the reactor unit; ii) providing a means for recycling at least part of the alkylate-comprising hydrocarbon phase to the reactor unit; and/or iii) replacing the reactor unit by a loop reactor. The invention further provides 3 further methods for revamping an HF or sulphuric acid alkylation unit.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides a method for revamping an HF or sulphuric acid alkylation unit to an ionic liquid alkylation unit, wherein the HF or sulphuric acid alkylation unit comprise at least: -a reactor unit for contacting catalyst and hydrocarbon reactants; -a separator unit for separating a reactor effluent into a catalyst phase and an alkylate-comprising hydrocarbon phase; -a fractionator unit for fractionating the alkylate- comprising hydrocarbon phase into at least one stream comprising alkylate; and which method includes: -providing one or more cyclone units downstream of the reactor unit to separate at least part of the reactor effluent in a catalyst phase and a alkylate-comprising hydrocarbon phase.

Classes IPC  ?

• C07C 2/58 - Procédés catalytiques
• C07C 9/16 - Hydrocarbures ramifiés

Abrégé

The present invention provides a method for revamping an HF or sulphuric acid alkylation unit to an ionic liquid alkylation unit, wherein the HF or sulphuric acid alkylation unit comprise at least: -a reactor unit for contacting catalyst and hydrocarbon reactants; -a separator unit for separating a reactor effluent into a catalyst phase and an alkylate-comprising hydrocarbon phase; -a fractionator unit for fractionating the alkylate- comprising hydrocarbon phase into at least one stream comprising alkylate; -a catalyst phase recycle means to recycle at least part of the catalyst phase from the separator unit to the reactor unit; which method includes: -adapting the catalyst phase recycle means by providing a means for acid injection and/or a means for halohydrocarbon injection into the catalyst recycle means. The invention further provides a method for the production of alkylate.

Classes IPC  ?

• C10G 29/20 - Composés organiques ne renfermant pas d'atomes métalliques
• C07C 2/58 - Procédés catalytiques

Abrégé

Disclosed is a method for regenerating and maintaining the activity of an ionic liquid catalyst, which comprises supplying hydrogen halide or halogenated hydrocarbon to the acidic ionic liquid catalyst or alkylation materials during alkylation reaction, wherein said ionic liquid catalyst is used to catalyze alkylation of C4 alkene and alkane. Disclosed is also a method for producing alkylate by alkylation reaction, which comprises supplying hydrogen halide or halogenated hydrocarbon to the acidic ionic liquid catalyst or reaction materials during said alkylation reaction. The method can prolong the service life of the acidic ionic liquid catalyst, does not influence the quality of the alkylate, and has simple operation. The processed amount of materials can be 1000 times greater than the used amount of the ionic liquid.

Classes IPC  ?

• C07C 2/60 - Procédés catalytiques avec des halogénures
• C10G 50/00 - Production de mélanges d'hydrocarbures liquides à partir d'hydrocarbures à nombre inférieur d'atomes de carbone, p.ex. par oligomérisation
• B01J 38/54 - Traitement par un liquide ou traitement en phase liquide, p.ex. en solution ou en suspension avec des liquides organiques contenant des halogènes
• B01J 38/48 - Traitement par un liquide ou traitement en phase liquide, p.ex. en solution ou en suspension
• B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques