|| List of recent Hydrocarbon-related patents
|Process for removing oxygen from c4-hydrocarbon streams|
In a process for removing oxygen from a c4-hydrocarbon stream comprising free oxygen by catalytic combustion, in which the hydrocarbon stream comprising free oxygen is reacted by catalytic combustion over a catalyst bed in the presence or absence of free hydrogen to give an oxygen-depleted hydrocarbon stream, the catalytic combustion is carried out continuously, the entry temperature in the catalyst bed is at least 300° c. And the maximum temperature in the catalyst bed is not more than 700° c..
|Method of preparing hydrocarbon aromatization catalyst, the catalyst, and the use of the catalyst|
In one embodiment, a formed catalyst can comprise: a ge-zsm-5 zeolite; a binder comprising silica with 1 to less than 5 wt % non-silica oxides; less than or equal to 0.1 wt % residual carbon; 0.4 to 1.5 wt % platinum; and 4.0 to 4.8 wt % cs; wherein the weight percentages are based upon a total weight of the catalyst. In one embodiment, a method of making a formed catalyst can comprise: mixing an uncalcined ge-zsm-5 zeolite and a binder to form a mixture; forming the mixture into a formed zeolite; calcining the formed zeolite to result in the formed zeolite having less than or equal to 0.1 wt % of residual carbon; ion-exchanging the formed zeolite with cesium; depositing platinum on the formed zeolite; and heating the formed zeolite to result in a final catalyst; wherein the final catalyst comprises 4.0 to 4.8 wt % cesium and 0.4 to 1.5 wt % platinum..
|Catalyst for use in production of hydrocarbons|
A modified catalyst is described which can be used as a dehydration/hydrogenation catalyst in a multistage catalyst system for the catalysed production of saturated hydrocarbons from carbon oxides and hydrogen. The modified catalyst comprises: an acidic substrate comprising an m1-zeolite or m1-silicoalumino phosphate (sapo) catalyst, where m1 is a metal; and a modifier including a metal m2.
|Deep deoxygenation of biocrudes utilizing fluidized catalytic cracking co-processing with hydrocarbon feedstocks|
A system and method produce hydrocarbons from biomass by fluid catalytic cracking. In one embodiment, the system is a fluid catalytic cracking system.
|Treating c8-c10 aromatic feed streams to prepare and recover trimethylated benzenes|
Methods are provided for the treatment of a feed stream containing c9 aromatic components to produce mesitylene-containing products. The methods include hydrodealkylating the feed stream to remove c2 and higher alkyl groups from the aromatic components and transalkylating the feed stream to rearrange the distribution of methyl groups among the aromatic components.
|Process for producing jet fuel from a hydrocarbon synthesis product stream|
At least a portion of the product of step b.2).. .
|Methyl-substituted biphenyl compounds, their production and their use in the manufacture of plasticizers|
In a process for producing methyl-substituted biphenyl compounds, a feed comprising at least one aromatic hydrocarbon selected from the group consisting of toluene, xylene and mixtures thereof is contacted with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising (methylcyclohexyl)toluenes and/or (dimethylcyclohexyl)xylenes together with dialkylated c21+ compounds. At least part of the dialkylated c21+ compounds is then removed from the hydroalkylation reaction product to produce a dehydrogenation feed; and at least part of the dehydrogenation feed is dehydrogenated in the presence of a dehydrogenation catalyst under conditions effective to produce a dehydrogenation reaction product comprising a mixture of methyl-substituted biphenyl compounds..
|Aqueous polyacrylate copolymer dispersions with high oh group content|
The present invention relates to aqueous secondary copolymer dispersion comprising a copolymer (p) synthesized from a mixture of free-radically polymerizable monomers (m) comprising: (m1) cycloaliphatic esters of acrylic and/or methylacrylic acid; (m3) hydroxy-functional, free-radically polymerizable monomers; (m4) carboxyl-functional, free-radically polymerizable monomers and (m5) hydroxyl- and carboxyl-free (meth)acrylic esters having c1 to c12 hydrocarbon radicals in the alcohol moiety and/or vinylaromatics, wherein the mixture further comprises polyols (po) selected from the group of polyester polyols and/or polycarbonate polyols, the polyols having an average hydroxyl group functionality of at least 2. The invention also relates to a method for the production of such a dispersion, to the use of the dispersion as a coating and as a binder in 2k polyurethane coatings..
|Low-solvent polyacrylate copolymer dispersions|
The present invention relates to an aqueous secondary copolymer dispersion comprising a copolymer (p) synthesized from a mixture of free-radically polymerizable monomers (m) comprising (m1) cycloaliphatic esters of acrylic and/or methylacrylic acid; (m2) vinyl esters of aliphatic carboxylic acids; (m3) hydroxy-functional, free-radically polymerizable monomers; (m4) carboxyl-functional, free-radically polymerizable monomers and (m5) hydroxyl- and carboxyl-free (meth)acrylic esters having c1 to c12 hydrocarbon radicals in the alcohol moiety and/or vinylaromatics. The mixture further comprises glycidyl esters of aliphatic carboxylic acids.
|Conversion of carbon dioxide to hydrocarbons via hydrogenation|
Carbon dioxide conversion processes are described for the conversion of carbon dioxide via hydrogenation to hydrocarbons. The process utilizes an initial feed of carbon monoxide and hydrogen converted under fischer tropsch conditions to hydrocarbons followed by subsequent displacement of the carbon monoxide in the reactor feed with carbon dioxide, which is then converted to carbon monoxide under reverse water gas shift conditions and the initial carbon monoxide feed being terminated once the reverse water gas shift conversion of carbon dioxide.
|Compounds and compositions for use in the prevention and treatment of inflammation-related disorders, pain and fever, skin disorders, cancer and precancerous conditions thereof|
The present invention provides novel compounds and pharmaceutical compositions for the prevention and/or treatment of cancer and precancerous conditions thereof, for the treatment of pain and fever, for the treatment of skin disorders, and for treating and/or preventing inflammation-related diseases and/or cardiovascular diseases. The compounds of the invention also have analgesic properties and anti-platelet properties.
|Oil based concentrated slurries and methods for making and using same|
New hydrocarbon based slurry compositions and drilling, fracturing, completion and production fluids including the hydrocarbon based slurry composition are disclosed, where the composition includes a hydrocarbon soluble polymer adapted to decrease particle settling rates of particulate materials present in the fluids and in the case of fluids that include hydratable materials to increase hydration properties of such materials.. .
|Process and catalyst for the hydrotreatment of a heavy hydrocarbon feedstock|
A method of hydrotreating a heavy hydrocarbon feedstock using a hydrotreating catalyst having specific properties that make it effective in removing nitrogen and sulfur from the feedstock is disclosed. The catalyst is composed of an alumina support particle having a specific pore diameter distribution which is achieved in part, by the use of pseudo-boehmite as the alumina source and specific calcining temperatures.
|Process for the conversion of lower alkanes to aromatic hydrocarbons|
A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehyroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and c2-5 hydrocarbons from the reaction products of step (a) to produce aromatic reaction products including benzene.. .
|Accelerated process for the energy conversion of carbon dioxide|
The present invention relates to a process for the energy conversion of carbon dioxide, comprising the steps of culturing phytoplankton in electromagnetic bioaccelerators, producing oxygen and biomass made up of lipids, hydrocarbons and sugars from the previous step, oxidizing the hydrocarbons produced in the previous step to generate carbon dioxide and nox and collecting the carbon dioxide and nox from the previous step until the cultures of the first step.. .
An ion-conducting membrane including a first layer and a second layer, wherein the first layer includes a perfluorosulphonic acid polymer and the second layer includes a sulphonated hydrocarbon polymer, characterised in that the ion-conducting membrane has a total thickness of from 5 μm to 50 μm and the second layer has a total thickness of 2 μm or less is disclosed.. .
|Method for manufacturing a polymer electrolyte separator and polymer electrolyte separator therefrom|
The invention pertains to a process for manufacturing a polymer electrolyte separator based on a fluoropolymer hybrid organic/inorganic composite, said process comprising: (i) providing a mixture of: —at least one fluoropolymer comprising recurring units derived from at least one (meth)acrylic monomer [monomer (ma)] of formula (i): wherein each of r1, r2, r3, equal or different from each other, is independently a hydrogen atom or a c1-c3 hydrocarbon group, and roh is a c1-c5 hydrocarbon moiety comprising at least one hydroxyl group [polymer (f)]; —at least one metal compound [compound (m)] of formula: x4-maym wherein m is an integer from 1 to 4, a is a metal selected from the group consisting of si, ti and zr, y is a hydrolysable group, x is a hydrocarbon group, optionally comprising one or more functional groups; and —at least one electrolyte (e); and —at least one liquid plasticizer (s); (ii) reacting at least a fraction of hydroxyl groups of the roh groups of said monomer (ma) of said polymer (f) with at least a fraction of said compound (m), so as to obtain a grafted polymer comprising pendant —ym-1ax4-m groups, with m, y, a and x having same meaning as above detailed; (iii) hydrolyzing and/or polycondensing compound (m) and/or pendant —ym-1ax4-m groups, as above detailed to yield a liquid mixture comprising fluoropolymer hybrid organic/inorganic composite comprising inorganic domains and incorporating solvent (s) and electrolyte (e); and (iv) casting a film from the liquid mixture obtained in (iii); (v) drying the film obtained in (iv) for obtaining the polymer electrolyte separator.. .
|Segmented graphene nanoribbons|
The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.. .
|Plasticizer blends and use thereof|
Wherein r1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an oxo-ester, and r2 is a c4 to c14 hydrocarbyl; and 2) one or more second plasticizers selected from the group consisting of alkyl terephthalates, alkyl phthalates, alkyl benzoate esters, di-benzoate esters, esters of cyclohexane polycarboxylic acids, and dialkyl adipates. Also provided are plasticized polymer compositions containing said mixtures..
|Grafted polymer surfaces for dropwise condensation, and associated methods of use and manufacture|
Presented herein are articles and methods featuring substrates with thin, uniform polymeric films grafted (e.g., covalently bonded) thereupon. The resulting coating provides significant reductions in thermal resistance, drop shedding size, and degradation rate during dropwise condensation of steam compared to existing coatings.
|Novel polymers which resist bacterial attachment|
R is an organic group having a total of from 2 to 24 carbon atoms, wherein the organic group includes an aliphatic or aromatic hydrocarbon moiety and wherein the organic group does not include any hydroxyl groups.. .
|Batch process and system for the production of olefins|
Disclosed herein is a process for producing an alpha olefin comprising obtaining a feed stream comprising an internal olefin having a first carbon number and an alpha olefin having a first carbon number, isomerizing the feed stream to increase the quantity of the alpha olefin, fractionating, subjecting the overhead material from fractionation to catalytic metathesis to produce a mixed olefin effluent comprising an internal olefin having a second carbon number and other hydrocarbons, fractionating, preparing the first isomerization reactor and fractionator to receive the olefin having a second carbon number, isomerizing the internal olefin intermediate in the prepared first isomerization reactor, and fractionating the second isomerization effluent in the prepared first fractionator to separate the alpha olefin having the second carbon number from the internal olefin having the second carbon number. A corresponding system also is disclosed, along with a heat pump that can be incorporated into the process..
Disclosed is a transportable reformer for the catalytic primary reforming of hydrocarbons using steam at elevated pressure, comprising a reforming tube system, a furnace disposed about the reforming tube system, a plurality of manifolds in communication with the reformer tubes, a plurality of flue gas tunnels disposed beneath and in gaseous communication with the furnace, wherein each of the manifolds is integrally coupled to, disposed between, and supported by the opposing outer walls of an adjacent pair of flue gas tunnels such that the reformer is configured to be transportable as a single unit without additional support structures.. .
A refrigerant compressor configured to compress ethylene fluorohydrocarbon or a mixture containing the ethylene fluorohydrocarbon as a refrigerant, the refrigerant compressor including: a compression element configured to compress the refrigerant and including a sliding component that constitutes a sliding portion; and refrigerator oil configured to be supplied to the sliding component so as to lubricate the sliding portion, wherein at least one of the sliding surfaces of the sliding component is formed by non-metal, and wherein a polymerization inhibitor configured to suppress polymerization of the refrigerant is contained in the refrigerator oil.. .
A refrigerant compressor configured to compress ethylene fluorohydrocarbon or a mixture containing the ethylene fluorohydrocarbon as a refrigerant, the refrigerant compressor including: a compression element configured to compress the refrigerant and including a sliding component that constitutes a sliding portion; and refrigerator oil configured to be supplied to the sliding component so as to lubricate the sliding portion, wherein a polymerization inhibitor configured to suppress polymerization of the refrigerant is contained in the refrigerator oil.. .
|Method for installing a self-supporting tower for extracting hydrocarbons|
A method for installing a self-supporting tower at a sea bed. An anchoring mechanism (32) is installed on the bed.
|Reverse semi-airborne electromagnetic prospecting|
Method for semi-airborne electromagnetic prospecting for hydrocarbons or other fluids or minerals. In the method, electromagnetic receivers are deployed on the earth's surface over a subsurface region (71).
|Apparatus and method for monitoring the structural integrity of a pipeline|
An inspection apparatus (100) for monitoring the structural integrity of a pipeline (101) comprising a central electromagnetic device (102) suitable for generating a magnetic field (106); a pair of magnetic conveyors (103′, 103″) connected to the central electromagnetic device (102) suitable for conveying the magnetic field (106) to the wall of the pipeline (101); a system of sensors (104) for revealing the magnetic field (106) conveyed on the pipeline (101); electric means (105) for feeding the inspection apparatus (100) and acquiring and storing data relating to the magnetic field (106) revealed; wherein said central electromagnetic device (102) is divided into various ferromagnetic elements (107) held together by a casing (109) made of polymeric material suitable for degrading after prolonged contact with a mixture of hydrocarbons. Method wherein an inspection apparatus according to the present invention is used for monitoring the structural integrity of a pipeline (101)..
|Solid amine adducts|
The invention relates to a process for preparing an amine adduct, in which a polyamine component (a), a polyester component (b) and a hydrocarbon component (c) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications..
|Turbulence inducing device and methods of use|
A turbulence inducing device is described. Embodiments of the device include a nozzle (135), a vessel assembly (110), and an obstructer (140).
A process for treating a water-acid mixture includes contacting the water-acid mixture with a hydrocarbon solvent to remove at least a portion of the acid from the mixture to produce a treated liquid. The ratio of the hydrocarbon solvent to water-acid mixture is between 2:1 and 5:1..
|Process for treating mined oil sands deposits|
Disclosed is a method for improving a heavy hydrocarbon, such as mined bitumen, to a lighter more fluid product and, more specifically, to a hydrocarbon product that is refinery-ready and that meets pipeline transport criteria without requiring the addition of diluent. The invention is suitable for enhancing recovery from mined canadian bitumen, but has general application for processing any heavy hydrocarbon, converting the heavy hydrocarbon to a product that is more suitable for pipeline transport.
|Upgrading platform using alkali metals|
A method for removing sulfur, nitrogen or metals from an oil feedstock. The method involves reacting the oil feedstock with an alkali metal and a radical capping substance.
|Defoaming systems and methods in hydrocarbon processes|
Methods for defoaming in hydrocarbon processes include the steps of providing a defoaming agent, and introducing the agent into a hydrocarbon process to inhibit or control foaming in the hydrocarbon process. These methods may be particularly useful in coking processes, especially as to foaming in coke drums.
|Liquid hydrocarbon fuel treating device for an internal combustion engine|
|Hydrogen production process|
A method is disclosed for producing high purity, high pressure hydrogen from a low pressure synthesis gas production process. The low pressure synthesis gas is produced from steam or carbon dioxide reforming of hydrocarbons, autothermal reforming of hydrocarbons or partial oxidation of hydrocarbons.
|Coke drum quench process|
Processes for quenching coke in a coke drum of a delayed coker unit that more thoroughly cool the coke, eliminate hot spots in the coke bed, and remove residual hydrocarbons from the coke prior to venting the coke drum may comprise a ramp quench phase and a pressure quench phase after the ramp quench phase. During the ramp quench phase, the coke drum internal pressure may rise to a maximum pressure level and then fall to a transitional pressure level.
|Production of synthesis gas|
Process and reactor for the production of synthesis gas by partial combustion of a hydrocarbon feed. A burner is used with a plurality of coaxial burner channels, wherein at least one channel supplies a flow of a non-gaseous hydrocarbon feed, at least one other channel supplies a flow containing a gaseous hydrocarbon feed and at least one further channel supplies a non-hydrocarbon moderator gas..
|Financial methods for waterflooding injectate design|
A method of selecting an injectate for recovering liquid hydrocarbons from a reservoir includes designing a plurality of injectates, calculating a net present value of each injectate, and selecting a candidate injectate based on the net present value. For example, the candidate injectate may be selected to maximize the net present value of a waterflooding operation..
|Riser weak link|
A riser weak link in a riser connects a floating installation or vessel to a hydrocarbon well on the seabed. The weak link includes a first riser part in the form of an upper housing for connecting to a riser upper section; a second riser part in the form of a lower housing for connecting to a riser lower section, wherein one riser part is arranged to extend into the other riser part; and connection devices for releasably connecting the upper and lower housings.
|Acceleration of heavy oil recovery through downhole radio frequency radiation heating|
Heavy oil recovery using downhole radio frequency radiation heating accelerates sagd thermal recovery processes. In one embodiment, one or more sagd well pairs traverse a subterranean formation for recovering heavy oil.
|Flooding operations employing chlorine dioxide|
A method includes introducing a treatment fluid including a first polymer gel into a subterranean formation to generate a production fluid having an aqueous portion and a hydrocarbon portion, treating the aqueous portion of the production fluid with chlorine dioxide to separate additional hydrocarbons from the aqueous portion, and adjusting the viscosity of the treated aqueous portion prior to introducing the treated aqueous portion back into the subterranean formation.. .
|Controlled rise velocity bouyant ball assisted hydrocarbon lift system and method|
A hydrocarbon lift system and method for increasing petroleum production from an enclosed subterranean reservoir to the earth's surface comprises a column of buoyant balls in an outer pipe configured to entrain the buoyant balls into a first fluid in an annulus formed with an inner pipe drill string. A pressure differential in the inner pipe with respect to the reservoir via the entrained buoyant balls in a second fluid therein lifts the second fluid and the entrained balls via the inner pipe to increase petroleum production to the earth's surface.
A blasting explosive composition containing a solid inorganic oxidising salt as the oxidizer component, a hydrocarbon liquid as the fuel component, and a binding agent. The composition can also contain an ammonium nitrate based emulsion.
|Composite gas sampling system|
A sampling system for collecting periodic composite and/or non-composite samples of vaporized gas during a transfer process from a vaporizer of a cryogenic hydrocarbon liquid including 1) a direct sample pathway to a gas analyzer for instantaneous, real-time vaporized gas analysis, 2) a speed loop pathway for directly collecting fresh vaporized gas samples for subsequent analysis, and 3) a composite sample pathway including a pressurized sample accumulator for collecting a plurality periodically obtained samples of a select volume during the transfer process to create a composite sample of the vaporized gas.. .
|System and method for producing a liquefied hydrocarbon stream and method of operating a compressor|
At least part of a fluid is compressed in a compressor driven by an electric motor. The compressor has variable inlet guide vanes of which an angle can be adjusted.
|Electrically heated doc using hcscr cold start nox controls|
An exhaust gas treatment system for an internal combustion engine is provided. The system includes an exhaust gas conduit extending from the engine configured to receive an exhaust gas stream from the engine, a first injector in fluid communication with the exhaust gas conduit configured to selectively inject fuel containing unburned hydrocarbon (hc) into the exhaust gas conduit and an oxidation catalyst disposed in the exhaust gas conduit downstream from the first injector.
|Method of formulating a fuel composition for use in internal-combustion engines|
A blendstock for forming a fuel composition for use in internal-combustion engines, includes a polar fluid component, a microblender component, and a neutralizer component. The neutralizer component is present in an amount effective to substantially neutralize the microblender component to allow for the microblender component to substantially spontaneously blend with the polar fluid component.
|System, method and apparatus for determining properties of product or process streams|
Systems, methods, and apparatuses are provided for determining properties of process streams, in particular, hydrocarbon processing streams. The systems, methods, and apparatuses frequently, for example, substantially in real-time, determine measurements for the properties of the process stream.
|Process for the production of gasoline blending components and aromatic hydrocarbons from lower alkanes|
An integrated process for producing gasoline blending components and aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with an aromatic hydrocarbon conversion catalyst to produce an aromatic reaction product mixture which is comprised of benzene and/or toluene and/or xylene, c9 aromatic products, c10 aromatic products including naphthalene and, optionally, c11+ aromatic products, (b) separating and recovering the aromatic reaction product mixture, (c) separating and recovering benzene, (d) optionally separating recovering toluene and/or xylene, and (e) separating and recovering the c9 aromatic products and the c10 aromatic products which boil at a lower temperature than naphthalene from the naphthalene and the c10 aromatic reaction products which boil at a higher temperature than naphthalene and any c11+ aromatic products.. .
|Hydroprocessing initializing process and apparatus relating thereto|
One exemplary embodiment can be a process for initializing hydroprocessing. Generally, the process can include providing a hydrocarbon feed to a hydrotreating zone within which the hydrotreating temperature is catalytically limited, passing an effluent from the hydrotreating zone to a hydrocracking zone, and adding a gas to the effluent that has a higher temperature than the effluent.
|Composition of olefinically functionalised siloxane oligomers based on alkoxy silanes|
The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetra alkoxysilane, at most comprising an olefinic group on the silicon atom and which has a reduced chloride content and a weight average molecular mass (mw) of more than 315 g/mol.. .
|Crosslinkable compositions based on organosilicon compounds|
(c) at least one hydrocarbon component which has an initial boiling point above 150° c., a final boiling point below 350° c., each at a pressure of 1013 hpa, a kinematic viscosity of 1.5 to 6.0 mm2/s as measured at 40° c., a viscosity-density constant (vdc) of less than or equal to 0.820, a pour point of less than −5° c., and an aromatic carbon atom (ca) content of less than 0.1% ca.. .
Wherein r3s each independently represent ch3 or ch2ch3, and r4 represents a hydrocarbon group having 3 to 9 carbon atoms, at the end thereof. The structure having the structural unit derived from a dimerdiol is preferably represented by formula (3):.
|Self-healing catalysts: co3o4 nanorods for fischer-tropsch synthesis|
A self-healing reaction process for a chemical reaction is provided by exposing a catalyst a reaction mixture that includes carbon monoxide and hydrogen gas such that hydrocarbons are produced. The catalyst includes co3o4 nanorods having both co2+ and co3+ exposed thereon.
|Dual function proppants|
Proppants for use in fractured or gravel packed/frac packed oil and gas wells are provided with a contaminant removal component to remove one or more of the contaminants found in subterranean water/hydrocarbon from a production well. The water/hydrocarbon cleaning proppant solids may be used as discrete particles in a proppant formulation, as a coating on proppant solids in pores of a porous proppant solid or as part of the proppant's internal structure.
An etching method can selectively etch a second region formed of silicon oxide in a target object with respect to a first region formed of silicon in the target object. The etching method includes (a) processing the target object with plasma of a first processing gas containing fluorocarbon and fluorohydrocarbon by generating the plasma of the first processing gas with a microwave, and (b) after the processing of the target object with the plasma of the first processing gas, processing the target object with plasma of a second processing gas containing fluorocarbon by generating the plasma of the second processing gas with the microwave..
|Patterning process, resist composition, polymer, and monomer|
A negative pattern is formed by applying a resist composition onto a substrate, prebaking, exposing to high-energy radiation, peb, and developing the exposed resist film in an organic solvent developer to dissolve the unexposed region of resist film. The resist composition is based on a polymer comprising recurring units (a1) of formula (1) wherein r1 is h or ch3, r2 and r3 are h, f or a monovalent hydrocarbon group, r4 is h or a monovalent hydrocarbon group, r5 and r6 are a monovalent hydrocarbon group, x1 is a divalent hydrocarbon group, and k1=0 or 1.
|Method for finishing a tubular threaded member with a dry protection coating|
A tubular threaded element including a dry protective coating. The coating includes a solid matrix adhering to the substrate in which there are dispersed particles of at least one solid lubricant belonging to one and the same class.
|Shaping capture masses for the purification of a liquid or gas feed containing heavy metals|
The invention is advantageously applicable to the treatment of gas of industrial origin, synthesis gas, natural gas, gas phase condensates and liquid hydrocarbon feeds.. .
|Producing hydrocarbons from catalytic fischer-tropsch reactor|
An integrated plant for the conversion of a hydrocarbon gas such as natural gas to useful hydrocarbon liquid fuels and feed-stocks comprises an h2+co syngas generation system which provides feed gas to a fischer-tropsch catalytic hydrocarbon synthesis system with an associated power and heat energy system.. .
|Arctic telescoping mobile offshore drilling unit|
A system and method of drilling oil and gas wells in arctic or other environments having adverse conditions. A marine hydrocarbon operations structure may comprise a caisson body having a top surface which defines an opening and a shaft positioned within the opening.
|Plasma etching gas and plasma etching method|
The present invention is an etching gas comprising an unsaturated fluorohydrocarbon represented by cxhyfz (wherein x=3, 4, or 5, y+z≦2x, and y>z) and a method comprising selectively etching a silicon nitride film relative to a silicon oxide film or a silicon film using the etching gas. According to the present invention, a silicon nitride film stacked on a silicon oxide film or a silicon film can be highly selectively etched..
|Apparatuses and methods for generating shock waves for use in the energy industry|
Several methods and devices are provided herein to generate shock waves that are used in the oil industry for well drilling, hydrocarbon or gas exploitation, fracking process or improved oil recovery (ior), enhanced oil recovery (eor), cleaning of process waters, oil spills byproducts and oil pipes, which can be used as independent systems or as auxiliary systems concomitantly with other existing technologies. The different devices consist of generating shock waves utilizing either one or more laser sources, or a self-generated combustible gas supply, or a micro-explosive pellet, or piezocrystals, or a piezofiber composite structure..
|Metal carboxylate salts as h2s scavengers in mixed production or dry gas or wet gas systems|
A transition metal carboxylate scavenger may be used to scavenge contaminants from systems from mixed production and/or gas, either dry or wet hydrocarbon gas. The contaminants scavenged or otherwise removed may include, but are not necessarily limited to, h2s, mercaptans, sulfides, and combinations thereof.
|Composition for forming copper pattern and method for forming copper pattern|
(r1, r2: h or c1-c6 straight- or c3-c6 branched-hydrocarbon group, etc.); and based on 1 mol of this compound, component b: an amine compound having a boiling point of not higher than 250° c. At 0.1 to 500 mol; and component c-1: an organic acid having pka of not more than 4 at 0.01 to 20 mol, and/or component c-2: an organic copper compound composed of copper and an organic acid having pka of not more than 4 at 0.01 to 100 mol.
|Hydraulic fracturing composition|
The invention relates to subterranean treatment fluids, and more particularly for hydraulic fracturing formulations, comprising a low viscosity hydrocarbon fluid having low pour point and low or no btex content combined with suitable additives, in particular with a thickening agent additive.. .
|Reduced blowdown steam generation|
Steam is generated using high total dissolved solids (tds) boiler feedwater while still maintaining relatively low boiler blowdown rates. In one embodiment, a boiler is adapted to generate low quality steam from the high tds feedwater to maintain wet conditions in the boiler tubes to mitigate against fouling/scaling problems.
|In situ thermal processing of an oil shale formation using conductive heating|
Methods and systems of treating an oil shale formation using an in situ thermal process are described herein. A method of treating an oil shale formation in situ includes providing heat from one or more heat sources to at least a portion of the formation; allowing the heat to transfer from at least the portion to a selected section of the formation substantially by conduction of heat; pyrolyzing at least some hydrocarbons within the selected section of the formation; and producing a mixture from the formation..
|Method and apparatus for generating steam for the recovery of hydrocarbon|
The present invention provides a method of generating steam for the recovery of hydrocarbon from a hydro-carbon producing system comprising: (i) generating supercritical steam from water; (ii) converting said supercritical steam to a subcritical steam; and (iii) injecting said subcritical steam into said system.. .
|Downhole temperature calculation|
A method for calculating a value representative of a downhole temperature in a hydrocarbon well, wherein the well includes production tubing inside an outer tubing, an annulus is provided between the production tubing and the outer tubing, and the annulus receives a hydraulic control line supplying hydraulic fluid for the control of a downhole device, the method including sensing the pressure of hydraulic fluid in the control line at the wellhead, and using a measurement of the pressure to calculate the value representative of the downhole temperature.. .
|Sensing in artificial lift systems|
Methods and apparatus are provided for measuring one or more parameters associated with an artificial lift system for hydrocarbon production and operating the system based on the measured parameters. One embodiment of the invention provides a lubricator for a plunger lift system, which generally includes a housing, a spring disposed in the housing for absorbing an impact by a plunger, and a sensor configured to measure at least one parameter of the spring.
Systems and methods that include providing, e.g., obtaining or preparing, a material that includes a hydrocarbon carried by an inorganic substrate, and exposing the material to a plurality of energetic particles, such as accelerated charged particles, such as electrons or ions.. .
|Energy efficient, low emissions shale oil recovery process|
A process for the energy efficient, environmentally friendly recovery of liquid and gaseous products from solid or semi-solid hydrocarbon resources, in particular, oil shale or tar sands. The process involves non-oxidative pyrolysis to recover fluid energy values, oxidative combustion to recover energy values as recoverable heat, and environmental sequestration of gases produced..
A filter device has a filter element arranged in a filter housing. The filter device has additionally an adsorber element that adsorbs hydrocarbons.
|Lubricating oil and uses thereof|
Herein disclosed is a lubricant oil or lubricant for the compressor of a refrigeration system which operates with a refrigerant comprising at least one component of the hydrocarbon (hc) group of refrigerants, (a) whereby the lubricant consists of at least 85 weight % of alkylbenzene having an average molecular weight of ≧160 g/mol and exhibiting a viscosity of 2.2-3.0 centistokes (cst) at 40 deg c.; optionally wherein the alkylbenzene consists of at least 85 wt % of linear (straight chain) alkylbenzene, having an average molecular weight of ≧160 g/mol and exhibiting a viscosity of 2.2-3.0 centistokes (cst) at 40 deg c.; (b) or alternatively whereby the lubricant consists of at least 85 weight % of alkylbenzene having an average molecular weight of ≧190 g/mol and having a viscosity of 2.5-3.5 cst at 40 deg c.; optionally wherein the alkylbenzene consists of at least 85 wt % of linear (straight chain) alkylbenzene, having an average molecular weight of ≧190 g/mol and exhibiting a viscosity of 2.5-3.5 centistokes (cst) at 40 deg c.. .
|Exhaust purification system|
An exhaust gas purification system provided with an nox purification catalyst reducing the amount of use of precious metals and/or able to exhibit an nox purification performance at a low temperature and/or in an oxidizing atmosphere and having an nox purification performance even for an exhaust gas composition containing hydrocarbons and oxygen together with a low temperature and/or oxidizing atmosphere, that is, an exhaust gas purification system provided with an nox purification catalyst provided in an exhaust gas passage and comprised of carrier particles on which nanoparticles in which gold atoms and nickel atoms are included in a state in close proximity are carried and an oxidation catalyst oxidizing hydrocarbons in exhaust gas at a position at an upstream side of the nox purification catalyst.. .