595 results about "Hydrocarbon" patented technology

The invention provides a deep natural gas formation cause identification and quantitative evaluation method combined with methane cluster isotope composition, and belongs to the technical field of oil-gas exploration. Based on a method of combining methane cluster isotope values (delta13CH3D and delta12CH2D2) with stable hydrocarbon isotope values (delta13CCH4 and deltaDCH4), the relative contribution of each end member of an inorganic cause and a thermal cause to deep natural gas accumulation is quantitatively analyzed according to the cluster isotope values of two methane sources, namely Fischer-Tropsch inorganic synthesis and organic matter thermal cracking. According to the method, the multi-solution limitation caused by the fact that a traditional method only depends on the methane monomer isotope is overcome, the accuracy of deep natural gas cause type judgment is remarkably improved through the methane cluster isotope, and accurate quantitative evaluation of the proportion of different cause components in the mixed-source natural gas is achieved; and a more reliable basis is provided for exploration and development of deep natural gas resources.

The invention relates to a method for decoupling organic matter primary-secondary cracking hydrocarbon generation conversion rate based on a gold tube hydrocarbon generation thermal simulation experiment. The method comprises the following steps: step 1, acquiring kerogen gold tube hydrocarbon generation thermal simulation experiment data; step 2, parametric modeling of the kerogen hydrocarbon generation process; step 3, constructing a least square target model under a multi-constraint condition; step 4, performing nonlinear least square optimization solution under the constraint condition; and 5, calculating the hydrocarbon generation conversion rate. According to the method, conversion rate calculation is carried out on the cumulant of each hydrocarbon generation process obtained through decoupling, the conversion rate evolution rule of the kerogen oil generation, gas generation, crude oil cracking gas generation, non-reactive carbon formation and other processes along with maturity change in the crude oil cracking process can be obtained, and a quantitative basis is provided for refined hydrocarbon generation evaluation.

A method may include operating a dehydrogenation process whereby a hydrocarbon-containing feed is converted to light olefins, wherein the dehydrogenation process utilizes a fluidized process catalyst that circulates between a reactor and a combustor. The method may comprise withdrawing the process catalyst from the dehydrogenation process, modifying the process catalyst to form a modified catalyst, and adding the modified catalyst back to the dehydrogenation process. The process catalyst may include from 0.1 wt. % to 10 wt. % of one or more metals chosen from gallium, indium, thallium, or combinations thereof, from 1 ppmw to 1000 ppmw of one or more metals chosen from platinum, palladium, rhodium, iridium, ruthenium, osmium, or combinations thereof, and at least 85 wt. % support. Modifying the process catalyst may include adding one or more of manganese, iron, chromium, or vanadium.

A method may include contacting a hydrocarbon-containing feed with a catalyst in a reactor to form an olefin-containing effluent, then at least partially separating the olefin-containing effluent from the catalyst. Passing the catalyst to a combustor and heating the catalyst by combusting a supplemental fuel. The supplemental fuel includes methane in an amount greater than or equal to 1 mol. %. Passing the catalyst from the combustor to the reactor, such that at least a portion of the catalyst continuously cycles between the reactor and the combustor. The catalyst includes from 0.1 wt. % to 10 wt. % of one or more metals chosen from gallium, indium, thallium or combinations thereof, from 5 ppmw to 1000 ppmw of one or more metals chosen from platinum, palladium, rhodium, iridium, ruthenium, osmium, or combinations thereof, from 100 ppmw to 30000 ppmw of chromium, and at least 85 wt. % support.

The present invention addresses the problem of providing: a technology related to a catalyst for a Fischer-Tropsch synthesis reaction (FT synthesis reaction) capable of, in the FT synthesis reaction, more easily obtaining a hydrocarbon having a specific number of carbon atoms, and a method for producing said catalyst; and a technology related to a hydrocarbon production apparatus and a hydrocarbon production method.　In order to solve said problem, provided are: a catalyst for FT synthesis, in which an active metal is supported on the surface of a carrier, the carrier contains silicon or aluminum, the active metal contains at least one selected from cobalt, ruthenium, and iron, and the metal density per specific surface area of the carrier is within a specific range; a method for producing said catalyst; and a hydrocarbon production apparatus and a hydrocarbon production method using the catalyst.　According to the present invention, it is possible to: improve the CO conversion rate in an FT synthesis reaction and improve the selectivity of the number of carbon atoms in an obtained hydrocarbon; and more easily generate a hydrocarbon having a specific number of carbon atoms.

A method of producing a chemical hydride is described and which includes selecting a composition having chemical bonds and which is capable of forming a chemical hydride; providing a source of a hydrocarbon; and reacting the composition with the source of the hydrocarbon to generate a chemical hydride.

The invention relates to a method for identifying natural gas causes by using methane carbon and hydrogen isotopes, and belongs to the technical field of oil-gas exploration and development. The method comprises the following steps: (1) acquiring methane carbon and hydrogen isotope data of a natural gas sample in a target area; (2) respectively carrying out thermal simulation experiments on the oil-type gas hydrocarbon source rock sample and the coal-formed gas hydrocarbon source rock sample, determining methane carbon isotope characteristics of the oil-type gas and the coal-formed gas, and judging typical oil-type gas and coal-formed gas in the natural gas sample in the step (1) by combining geologic characteristics; and (3) performing methane carbon and hydrogen isotope clustering analysis on the typical oil-type gas and the coal-formed gas, establishing a methane carbon and hydrogen isotope identification chart of the oil-type gas and the coal-formed gas, and identifying the natural gas cause according to the identification chart. The judgment method is higher in accuracy, and a feasible way is provided for judgment of natural gas reservoir causes in a high heat evolution stage and in regions with complex causes.

The invention relates to a catalyst for preparing acetophenone by efficiently catalyzing selective oxidation of ethylbenzene in a hydrocarbon selective oxidation reaction, especially under a mild condition, a preparation method of the catalyst, and application of the catalyst provided by the invention. According to the catalyst for catalyzing selective oxidation of ethylbenzene to prepare acetophenone, monatomic Fe is anchored on a nitrogen-doped carbon carrier through a Fe-Nx coordination bond, the Fe content is 4-23 wt%, the BET specific surface area is 200-500 m / g, and Fe exists in Fe < + > and Fe < + > valence states. The catalyst can be used for preparing acetophenone through selective oxidation of hydrocarbons and has the advantages of being high in catalytic performance, stable in structure and good in substrate universality.

A high-purity tin composition that can maintain high purity for a long time, in which decomposition of a triaminotin compound is suppressed and high purity of the triaminotin compound is maintained, is provided. The tin composition contains 95 mol % or more of a triaminotin compound having formula (1) in terms of tin atoms, and 0.001 to 0.5 mol % of a tetraaminotin compound having formula (2) in terms of tin atoms:R is a hydrocarbon group having 1 to 30 carbon atoms which is optionally substituted with a halogen, an oxygen atom, or a nitrogen atom, and R's are each a hydrocarbon group having 1 to 10 carbon atoms and may be identical or different from each other; two R's on the same nitrogen atom may be bonded to each other to form a 3- to 7-membered ring containing nitrogen.

A treatment composition for remediating for remediating hydrogen sulfide (H2S), carbon dioxide (CO2) and other contaminant(s) in a fluid, including: an organic or hydrocarbon based liquid; at least one hydroxide compound or a hydrate thereof; and sodium sulfide (Na2S) or a hydrate thereof.

A catalyst suitable for dehydrogenation of hydrocarbons may include from 0.0005 wt.% to 0.1 wt.% of platinum, palladium, rhodium, iridium, ruthenium, osmium, or combinations thereof; from 0.1 wt.% to 10 wt.% of gallium, indium, thallium, or combinations thereof; from 0.1 wt.% to 5 wt.% of lanthanum, yttrium, or zirconium; at least 85 wt.% support, and from 0 wt.% to 0.001 wt.% cerium.

The invention discloses an analysis device and an analysis method for total hydrocarbons and subitem hydrocarbons in oxygen. The analysis device comprises a first ten-way valve with ports a-j, a second ten-way valve with ports A-J, a first quantitative tube, a second quantitative tube, a first chromatographic column, a second chromatographic column, a third chromatographic column, a fourth chromatographic column and an FID (Flame Ionization Detector). According to the analysis device and the analysis method for the total hydrocarbon and the subitem hydrocarbon in the oxygen, samples can be simultaneously added into the two quantitative pipes through the same gas path, and the sample adding efficiency is improved. The arrangement of double valves and four columns can simultaneously analyze total hydrocarbons and subitem hydrocarbons, and the operation is simple and easy. Besides, before analysis, oxygen is separated and discharged out of a gas path, so that main peak interference under the oxygen background can be completely removed, the separation effect is good, the peak shape is uniform, and the test requirement is met.

CO2 introduced into the ground reacts with water in the moisture present in the surroundings to convert to hydrocarbon, suppressing leakage of CO2 above ground. The method for producing hydrocarbon has an introduction step for introducing CO2 into a storage site in the ground where moisture and a catalytic metal are present, the pressure is 5 MPa or higher, and the temperature is 40° C. or higher, to bring the CO2 into a subcritical state or a supercritical state, and a synthesis step for reacting the water in the moisture with the subcritical or supercritical CO2 in the storage site to synthesize hydrocarbon. The storage site is preferably a site from 800 m to 1200 m below ground. The pressure of the storage site is preferably 8 MPa or higher.

The present disclosure relates generally to a supported Fischer-Tropsch catalysts and Fischer-Tropsch synthesis processes for preparing hydrocarbons using the same. The catalyst materials described herein include a support material; cobalt, present in an amount in the range of 5 to 25 wt%, based on the total weight of the catalyst material; and gallium, present in an amount in the range of 0.1 to 10 wt%, based on the total weight of the catalyst material.

Some implementations include a method comprising: determining a first metric indicating a first statistical property of one or more of a plurality of data streams that include information about a hydrocarbon production system; determining a second metric indicating a second statistical property of one or more of the plurality of data streams; using the first metric or the second metric to identify a malfunctioning component in the hydrocarbon production system ; and physically modifying the component of the hydrocarbon production system using at least one of the frequency metric and the value metric.

The invention discloses a neutral phosphine phenol nickel catalyst based on a tert-butyl structure. The catalyst has a structure shown as a formula (I), wherein R1 and R2 are respectively and independently selected from hydrogen, C1-C20 alkyl, fluorine, chlorine, bromine, iodine, nitryl, hydroxyl, substituted silicon group and C1-C20 substituted alkyl; r3 is independently selected from C1-C20 alkyl, C1-C20 substituted alkyl, phenyl or substituted phenyl, R4 and R5 are independently selected from hydrogen, fluorine, chlorine, bromine, iodine, C1-C20 alkyl, aryl, an oxygen-containing group, a nitrogen-containing group, a sulfur-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a silicon-containing group or a tin-containing group; tert-butyl is introduced into para-position and meta-position of a ligand phenol oxygen ring, and a protection barrier is formed by utilizing the steric hindrance effect of the t-butyl, so that decomposition and deactivation of the catalyst under a high-temperature condition are inhibited, the catalyst can stably play a catalytic role in an industrial common medium-high-temperature polymerization environment, and the process adaptation range of the catalyst is widened.

Embodiments herein relate to systems and methods for varnish detection and / or monitoring in hydrocarbon fluids. In various embodiments, a system for monitoring varnish compounds in fluids is included herein including a control circuit in communication with a fluid property sensor. The system can measure one or more fluid properties (such as dielectric constant, density, resistivity, viscosity and the like) with the fluid property sensor, monitor the same over a time period, and identify an occurrence of a rate of change in the measured property indicating a presence of the varnish compounds. In various embodiments, a system herein can be configured to measure a fluid property of a fluid with a fluid property sensor, monitor the fluid property value over a time period, and predict a time of the onset of varnish compound formation based on the trend of the fluid property value over time. Other embodiments are also included herein.

An amido group-containing monomer composition contains 80.00 to 99.99 mass % of an amido group-containing monomer (a) of the following formula (1) and 0.01 to 20.00 mass % of a metal chelate complex (b) having carbonyl group as a ligand:wherein R1 represents a hydrogen atom or a methyl group, R2 represents a hydrocarbon group having a carbon number of 1 to 6, R3 represents a hydrocarbon group having a carbon number of 1 to 23, and R4 represents hydrogen or a methyl group.

The application discloses a method for identifying the dispersion mode of oil and gas through a cap layer, and relates to the technical field of oil and gas reservoirs. The technical scheme is as follows: selecting a rock sample, carrying out particle fluorescence testing, and obtaining a parameter QGF-E representing the content of hydrocarbon adsorbed on the outside of a mineral particle and a parameter QGF-index representing the content of hydrocarbon in the inside of the mineral particle; identifying the dispersion mode of oil and gas through the cap layer according to the relationship between QGF-E and QGF-index, wherein if QGF-E is positively correlated with QGF-index, it indicates that the dispersion mode of oil and gas through the cap layer is slow percolation; and if QGF-index basically remains unchanged with the increase of QGF-E, it indicates that the dispersion mode of oil and gas through the cap layer is episodic rupture. The analysis and testing data obtained through the quantitative fluorescence testing of the cap layer are used to distinguish the dispersion mode of oil and gas through the cap layer by using the quantitative fluorescence data of the cap layer, so that the dispersion mode of oil and gas through the cap layer can be accurately identified, and the problems of randomness and multiple solutions in the prior art can be effectively avoided.

The present disclosure provides a compound having a constituent unit represented by general formula (1) and having a number average molecular weight of 1,000-3,000 (inclusive). (R1 is a group represented by formula (2), R2 is H, a group represented by formula (2), a C1-20 substitutable hydrocarbon group, a C2-20 substitutable heterocycle-containing group, or a group obtained by substitution of a methylene group in these groups, R3 and R4 are H, halogen, or a C1-5 substitutable alkyl group, which are bonding sites, group Agt, which are-O-or the like, and R101 is H or a C1-20 hydrocarbon group) (L1 is a C1-5 substituted alkylene group, R11 and R12 are H, halogen, or C1-5 substituted or unsubstituted alkyl groups, and n1 is 1 or 0).

To provide a method for efficiently producing a hydrocarbon compound, an apparatus for producing the hydrocarbon compound, and a system for producing the hydrocarbon compound.SOLUTION: According to an aspect of the present invention, there is provided a method for producing a hydrocarbon compound, including a separation step of separating hydrogen from a gas containing at least carbon monoxide and hydrogen, an alcohol production step of producing an alcohol from the gas from which hydrogen has been separated using a microorganism, an alkene production step of producing an alkene having 3 or less carbon atoms from the alcohol using a first catalyst, and a hydrocarbon compound production step of producing a hydrocarbon compound having 4 or more carbon atoms from the alkene and hydrogen using a second catalyst.SELECTED DRAWING: Figure 1

To provide a method for efficiently producing a carbonic acid diester by using carbon dioxide as a carbonyl source.SOLUTION: A method for producing a carbonic acid diester, comprising the step of reacting an alkoxysilane represented by the formula (A) with carbon dioxide: wherein each R1 is independently an optionally substituted hydrocarbyl group; each R2 is independently an optionally substituted hydrocarbyl group; n is an integer of 1 to 3; and R1, OR1, or R1 and OR1 bonded to the same Si atom may be bonded to each other to form a ring. ).SELECTED DRAWING: Figure 1

A two-dimensional particle that includes: one or plural layers that comprise a layer body represented by: MmXn, wherein Mis at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; n is 1 to 4; and m is more than n but not more than 5, a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an iodine atom, an oxygen atom, a chlorine atom, a phosphorus atom, and a hydrogen atom; and a hydrocarbon compound exists on the one or plural layers.

The invention discloses a pre-transition metal compound containing nitrogen and phosphine as well as a preparation method and application of the pre-transition metal compound. The compound has a structure as shown in a formula (1). Wherein R1, R2 and R3 are each independently selected from a group consisting of H, a C1-20 alkyl group, a C1-20 alkoxy group and a halogen; r4 and R5 are each independently selected from a group consisting of H, a C1-4 hydrocarbyl group, a C6-12 aryl group, and a C7-16 aryl group substituted by a C1-4 hydrocarbyl group; mt is a group IVB metal element; m is equal to 1-3; r < 1 >, R < 2 >, R < 3 >, R < 4 > and R < 5 > are respectively and independently hydrogen, alkyl of C < 1-20 > or aryl of C < 6-30 >; e is O or S; x is an atom or group bonded to an Mt element, and X is at least one group selected from the group consisting of C1-10 hydrocarbon groups and halogens; and n is an integer and satisfies the valence of Mt bonding. The catalyst containing the compound has the advantages of high catalytic activity and low cost.

The invention relates to a quantitative evaluation method and system for premature senility fracture opening capability, and belongs to the technical field of oil-gas exploration, and the method comprises the steps: obtaining fracture related parameters in a research area; the fracture surface positive pressure in the fracture reservoir forming period is calculated according to the fracture related parameters; calculating the plastic deformation ultimate pressure of the fractured mudstone according to the fracture related parameters; according to the section positive pressure and the mudstone plastic deformation ultimate pressure, the opening capacity index of the fracture reservoir forming period is calculated; and dividing fracture opening capability evaluation grades according to the fracture reservoir forming period opening capability index so as to evaluate the premature senility fracture opening capability. According to the method, by calculating the section positive pressure and the mudstone plastic deformation ultimate pressure, quantitative calculation of the opening capacity index is achieved, the fault conduction opening capacity is converted from traditional experience-dependent interpretation into a computable, sortable and comparable quantitative index, and objectivity and consistency of evaluation results are improved.

A resist composition includes (A1) a resin including a structural unit represented by formula (I) and a structural unit represented by formula (II), and no acid-labile group, (A2) a resin having an acid-labile group, and an acid generator:wherein R1 and R2 each represent a hydrogen atom, a halogen atom, or an alkyl group which may have a halogen atom, X1 and X2 each represent a single bond or *—CO—O—, L1 represents a single bond or a hydrocarbon group which may have a substituent, and —CH2— included in the group may be replaced by —O—, —S—, —SO2— or —CO—, ring W represents a hydrocarbon ring which may have a substituent, mi and mk represent an integer of 1 to 4, and L2 represents a single bond or a hydrocarbon group which may have a substituent, and —CH2— included in the group may be replaced by —O—, —S—, —SO2— or —CO—.

Provided are a fluorine-containing ether composition and a coating liquid which are capable of forming a surface layer having excellent water droplet slipping properties, and an article having a surface layer having excellent water droplet slipping properties. A fluorine-containing ether composition containing a fluorine-containing ether compound (A) and a fluorine-containing ether compound (B), the compound (A) and the compound (B) each having a poly (oxyperfluoroalkylene) chain, a perfluoroalkyl group bonded to one end thereof, and a group represented by formula (I), in the combination of the compound (A) and the compound (B) contained in the composition, the number of carbon atoms of the perfluoroalkyl group contained in the compound (A) is less than the number of carbon atoms of the perfluoroalkyl group contained in the compound (B), and the content of the compound (A) is 30-95 mass% with respect to the total amount of the compound (A) and the compound (B). In-SiRnL3-n (I), L is a hydroxyl group or a hydrolyzable group, R is a hydrogen atom or a monovalent hydrocarbon group, and n is an integer of 0-2.

A demulsifying agent may comprise the structureR1 may be a hydrocarbyl group or heterohydrocarbyl group comprising from 1 to 20 carbon atoms. m may be from 2 to 10, n may be from 5 to 20, and p may be from 2 to 15. R2 may comprise a residue of propylene oxide. R3 may comprise a residue of glycidol. Embodiments of the present disclosure may further comprise methods of making the demulsifying agent and methods of using the demulsifying agent to demulsify a hydrocarbon emulsion.

The invention relates to a resist composition, a laminate, and a pattern forming method. The present invention addresses the problem of providing a non-chemically amplified resist composition having excellent sensitivity and resolution in optical lithography using high-energy rays, and a pattern forming method using the resist composition. The resist composition is characterized by containing a hypervalent iodine compound represented by formula (1), a carboxyl group-containing compound, and a solvent. In the formula, a1 and b1 are integers, b1 is 0-4 when a1 is 0, b1 is 0-6 when a1 is 1, and b1 is 0-8 when a1 is 2. And R11 represents a halogen atom or a C1-10 hydrocarbon group which may contain a heteroatom. R21 represents a halogen atom or a C1-40 hydrocarbon group which may contain a heteroatom. And X is NR31 or S. And R31 represents a hydrogen atom, a halogen atom, or a C1-20 hydrocarbon group which may contain a heteroatom.

A reactor and method for conversion of hydrocarbon gases utilizes a reactor (12, 312, 412, 512, 612, 712) having a specific feed assembly with a primary vortex combustion chamber (40, 340, 436, 536, 636, 736), a diffusion conduit (48, 348, 448, 548, 648, 748), and a cylindrical reactor chamber (40, 340, 436, 536, 636, 736). The design creates a compact combustion zone and fluid flow pattern of the inwardly swirling feed gas to form a swirling gas mixture through the diffusion conduit (48, 348, 448, 548, 648, 748). The feed stream can be introduced into the reactor at any angle (perpendicular, axial, or an angle therebetween, or a combination of the above forms) to the swirling flow component. This provides suitable conditions for efficient cracking of hydrocarbons (such as ethane) to form olefins.