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Matches 1 - 50 out of 465

Document Document Title
WO/2018/116173A1
A method of treating a hydrocarbon stream includes: withdrawing an effluent stream comprising hydrocarbons and polymer from a reactor; contacting the effluent stream with a coolant stream; passing the effluent stream through a heat excha...  
WO/2018/106773A1
Disclosed herein are methods and compositions for reducing fouling by natural and synthetic foulants that tend to precipitate during petroleum collecting, processing, transporting, and storing. The method includes applying one or more an...  
WO/2018/104846A1
Methods that reduce fouling of equipment in a quench water recycling loop of a steam cracker quench system by separating tar from water in the quench water recycling loop. The methods may include settling a bottom stream comprising pyrol...  
WO/2018/104443A1
The invention provides a method for pretreating a hydrocarbon steam cracker feed, comprising contacting the feed with a solvent to produce a pretreated feed having a reduced content of fouling components that cause fouling in the preheat...  
WO/2018/102301A1
A method for predicting the critical solvent power of a visbroken residue stream of interest, CSPVisRes(OI) comprises predicting CSPVisRes(OI) from the critical percentage titrant of an atmospheric residue stream, CPTAR, the atmospheric ...  
WO/2018/095975A1
The invention relates to the use of a triacylated mannosylerythritol lipid as a corrosion inhibitor, to compositions comprising a triacylated mannosylerythritol lipid, and to methods implementing a triacylated mannosylerythritol lipid.  
WO/2018/074666A1
The present invention relates to a flare gas system capable of improving the utility of flare gas and minimizing the amount of flare gas generation. The present invention relates to a flare gas system comprising: a plurality of first ref...  
WO/2018/062254A1
Provided is a method for suppressing metal corrosion caused by a compound that has an SH structure included in a hydrocarbon, the method including a step for adding, to a hydrocarbon, at least one type of aldehyde selected from a group f...  
WO/2018/046606A1
The present invention relates to the use of at least one ketone as inhibitor for aldol condensation of at least one aldehyde present in a gas scrubbing solution, in particular an acid gas scrubbing solution.  
WO/2018/044644A1
Disclosed herein are methods for reducing fouling caused by process water present within a water recycling loop of a pyrolysis plant. Fouling is caused by phase separation and accumulation of materials from the process water on equipment...  
WO/2018/037328A1
A method of removing material that fouls processing equipment that includes applying a composition comprising Ν,Ν-dimethylacetamide (DMAC) to fouling material deposited on the processing equipment to solubilize and remove the fouling m...  
WO/2018/038781A1
Antifoulant compositions and methods are used for inhibiting fouling on structural parts of a system exposed to a fluid hydrocarbon or petrochemical stream. Polyamine antifoulants are added to such systems. The polyamine antifoulants may...  
WO/2018/037339A1
A method for treating an emulsion emanating from a quenching process in production of ethylene that includes online monitoring of zeta potential of the hydrocarbon/water emulsion in a quench water tower and/or a quench water loop. In res...  
WO/2018/026428A1
Methods for making sulfide scavenging compositions are provided. The method comprises reducing a settling velocity of the sulfide scavenging composition in a fluid stream by adjusting the specific gravity of the sulfide scavenging compos...  
WO/2018/017992A1
A method of determining asphaltene stability within a crude oil sample that includes obtaining a crude oil sample and performing a fractional analysis of the crude oil sample. The method further includes measuring, via a cylindrical capa...  
WO/2018/003624A1
Provided is a composition for removing iron sulfide, the composition containing an α,β-unsaturated aldehyde represented by general formula (1) as an active ingredient (wherein: R1-R3 each independently represent a hydrogen atom, an alk...  
WO/2017/189648A1
A method for cleaning a coke deposit from an internal surface of a process equipment, comprising removing at least a portion of the coke deposit from the internal surface using a flexible pig comprising a plurality of bristles, without d...  
WO/2017/189801A1
A process for controlling corrosion and fouling in petroleum refining units. The corrosion controlling agent comprises an amine and an alcohol. The process comprises the step of adding the amine and the alcohol to the overhead system of ...  
WO/2017/163475A1
Provided is a method for reducing corrosive ions in an aromatic compound extraction solvent, which easily and efficiently reduces corrosive ions in an aromatic compound extraction solvent in a circulatory system for the purpose of suppre...  
WO/2017/156781A1
Provided are methods and compositions for inhibiting carbonyl based fouling materials of basic wash systems. Said methods comprise contacting the hydrocarbon stream that is or will be subjected to said wash systems with water soluble or ...  
WO/2017/140836A1
A corrosion inhibitor comprising from 1% by weight to 80% by weight, preferably from 2% by weight to 35% by weight, relative to the total weight of said corrosion inhibitor, of complex oligomeric structures derived from vegetable oils, s...  
WO/2017/127988A1
Provided are a scale inhibitor for an oil refining technology process and a preparation method therefor. Various components of the scale inhibitor and the mass percentages thereof are: 10%-40% of a dispersible detergent, 5%-30% of an ant...  
WO/2017/117085A1
Disclosed herein are methods for reducing fouling caused by process water present within a water recycling loop of a pyrolysis plant. The process water includes water, a pygas, and in some cases pygas byproducts. Fouling is caused by pha...  
WO/2017/106090A1
Embodiments of processes for upgrading a petroleum-based composition while decreasing plugging comprise mixing a supercritical water stream with a pressurized, heated petroleum-based composition in a mixing device to create a combined fe...  
WO/2017/106182A3
Supercritical upgrading reactors and reactor systems for upgrading a petroleum-based compositions comprising one or more catalyst layers and, in some embodiments, one or more purging fluid inlets, where one or more catalyst layers at lea...  
WO/2017/096459A1
A synthetic caustic composition for use in oil & gas industry activities, said composition comprising: metal hydroxides; an amino acid; urea; a sodium silicate and water.  
WO/2017/100224A1
Described herein are systems and methods for evaluating and mitigating the fouling potential of a given crude oil. The system and methods enable the refiner to rapidly and readily identify the particular mechanisms by which a crude oil m...  
WO/2017/095637A1
A method for screening a candidate for efficacy as an asphaltene stabilizer comprises: forming a reconstituted oil by dispersing an asphaltene-containing solid in a hydrocarbon fluid; adding an asphaltene stabilizer candidate to the reco...  
WO/2017/085748A1
The disclosure relates to an anti fouling composition including a metallic component comprising of at least one alkali metal salt and a non-metallic component and method for preparation of anti fouling composition. The disclosure also re...  
WO/2017/067025A1
A method for removing crystalline salt: arranging at least one concentration detector in a waste water outlet pipeline of a final stage separator; detecting the concentration of obstructive matter in the waste water gathered after water ...  
WO/2017/058693A1
A method of inhibiting corrosion and fouling in petroleum refining units which comprises adding choline hydroxide either alone or in combination with a hydrogen-bond donor such as a carboxylic acid, an amine, an amide, or an alcohol.  
WO/2017/040042A1
A method for recalculating the solvent power of a light oil, SP(LO recalculated), is provided. The method comprises: titrating the light oil against a reference oil, optionally in the presence of a titrant, to determine a volume fraction...  
WO/2017/040043A1
A method for determining a relationship between the ratio of solvent power to critical solvent power and the threshold light paraffin content of a hydrocarbon fluid is provided. The method comprises: dividing the plurality of hydrocarbon...  
WO/2017/023795A1
Described herein are systems and methods of dynamically using predictive analytics in control of a hydrocarbon refining process. In one aspect, the method comprises analyzing a hydrocarbon sample, wherein the hydrocarbon sample is repres...  
WO2017009785A1
The instant disclosure relates to a composition comprising potassium carbonate and calcium acetate, optionally along with sulfur containing compound. The composition of the present disclosure reduces coke formation during hydrocarbon cra...  
WO/2016/180916A1
The instant invention relates to a corrosion inhibitor composition that contains : (a) at least one biodegradable polyhydroxyacid and/or polyhydroxylated derivative thereof, preferably a polyhydroxyacid that may be in all or part in the ...  
WO/2016/164445A1
An effective amount of at least one first component and an effective amount of at least one second component may contact a hydrocarbon-based fluid or be introduced into a hydrocarbon-based fluid having at least one foulant for decreasing...  
WO/2016/162392A1
Use of an alkylphenol-aldehyde resin modified by at least one alkylamine in a crude oil composition or in a product derived from a crude oil composition, as asphaltene dispersant additive. Process for treating a crude oil composition or ...  
WO/2016/126630A1
The present invention generally relates to the use of diphenyliodonium salts for lowering sulfide concentrations and for preventing growth of microbes in a water injection system, a hydrocarbon extraction system, or a hydrocarbon product...  
WO/2016/107889A3
The use of at least one C7-C30 alkane in a diesel fuel formulation for the purpose of reducing fuel injector deposits, in particular fuel internal injector deposits, and/or for the purpose of reducing filter deposits, and/or for the purp...  
WO/2016/107889A2
The use of at least one C7-C30 alkane in a diesel fuel formulation for the purpose of reducing fuel injector deposits, in particular fuel internal injector deposits, and/or for the purpose of reducing filter deposits, and/or for the purp...  
WO/2016/093688A9
The invention relates to the production and use of hydroxysultaine- and sulfobetaine-based geminal zwitterionic liquids as agents for modifying the wettability of rock, such as limestone, dolomite, sandstone, quartz or heterogeneous lith...  
WO/2016/093688A3
The invention relates to the production and use of hydroxysultaine- and sulfobetaine-based geminal zwitterionic liquids as agents for modifying the wettability of rock, such as limestone, dolomite, sandstone, quartz or heterogeneous lith...  
WO/2016/083290A1
The present invention relates to wash oil for use as an antifouling agent in gas compressors, in particular in cracked gas compressors, comprising at least one compound according to formulae (II) wherein the moieties R2 and R3 are select...  
WO/2016/085616A1
A method for determining a TAN-IR for naphthenic acids in crude oil or crude oil fraction may include determining an IR spectrum of a sample of the crude oil or crude oil fraction. The method may include determining an IR spectrum of a n...  
WO/2016/053634A1
A method of inhibiting asphaltene precipitation and/or deposition in a hydrocarbon, preferably crude oil, by adding to the hydrocarbon a polyester asphaltene dispersing agent which is the reaction product of an alk(en)yl substituted succ...  
WO/2016/039811A1
We provide an apparatus for performing a hydrocarbon conversion or for handling of an output of the hydrocarbon conversion, comprising: a bare metal alloy, wherein the bare metal alloy comprises: from 15.1 to 49 wt% nickel, from 2.3 to 1...  
WO/2016/015930A1
The invention relates to a method for fractionating hydrocarbon feedstocks, using at least one fractionating area provided with separator internals, and at least two interchangeable base areas suitable for being connected to the base of ...  
WO/2015/183411A3
The invention relates to pyrolysis tar upgrading processes, and in particular for decreasing reactor pressure drop when the upgrading includes converting pyrolysis tar in a reactor.  
WO/2015/181638A1
Methods and systems for managing a decomposition process are disclosed. An example method can comprise estimating a coking rate for a process based on a coking model. The coking model can comprise a pyrolytic coking term and a catalytic ...  

Matches 1 - 50 out of 465