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7622035 |
Methods of deresinating crude oils using carbon dioxide
A method of deresinating a crude oil comprises contacting the crude oil with a carbon dioxide containing fluid, the crude oil having an initial API gravity and comprising an oil phase, resins, and...
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7601253 |
Process oil and process for producing the same
A process oil comprising a 95/5 to 5/95 by weight mixture of: an extract having a DMSO extractable content less than 3 wt % obtained by solvent-extracting an oil obtained by deasphalting a vacuum...
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7597794 |
Deep separation method and processing system for the separation of heavy oil through granulation of coupled post-extraction asphalt residue
The present invention is a separation method and system in which granulation of coupled post-extraction asphalt residue is used to achieve deep separation of heavy oil. A dispersion solvent is...
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7566394 |
Enhanced solvent deasphalting process for heavy hydrocarbon feedstocks utilizing solid adsorbent
A solvent deasphalting of crude oil or petroleum heavy fractions and residues is carried out in the presence of a solid adsorbent, such as clay, silica, alumina and activated carbon, which adsorbs...
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7560020 |
Deasphalting tar using stripping tower
Tar is contacted with stripping agent, such as steam or tail gas, in a stripping tower. A product comprising deasphalted tar is recovered as overheads and a product comprising heavy tar is...
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7540951 |
Integrated scheme of processes for extracting and treating an extra-heavy or bituminous crude
A process for preparation of synthetic crude from a deposit of heavy crude, comprises: (a) the extraction of heavy crude by technology using steam; (b) the separation of crude extract and water;...
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7491314 |
Process to produce pipeline-transportable crude oil from feed stocks containing heavy hydrocarbons
A process for the production of a pipeline-transportable crude oil from a bitumen feed, the process comprising:
(1) dividing the bitumen feed into two fractions, the first fraction comprising...
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7455763 |
Recycling process for demetalization of hydrocarbon oil
A recycling process for the demetalization of hydrocarbon oil comprises recycling the following steps: a demetalizing composition for hydrocarbon oil or an aqueous solution thereof is sufficiently...
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7381320 |
Heavy oil and bitumen upgrading
Disclosed is a process for the upgrading and demetallizing of heavy oils and bitumens. A crude heavy oil and/or bitumen feed is supplied to a solvent extraction process 104 wherein DAO and...
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7347051 |
Processing of residual oil by residual oil supercritical extraction integrated with gasification combined cycle
Residual oil supercritical extraction (ROSE) 10 and integrated gasification combined-cycle (IGCC) power systems 70, 114 are cooperatively integrated. High-level heat from the IGCC is used via a...
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7297250 |
Method of and apparatus for processing heavy hydrocarbon feeds
The present invention comprises a method for processing a heavy hydrocarbon feed including: supplying the heavy hydrocarbon feed to a heater for heating the heavy hydrocarbon feed; supplying the...
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7261810 |
Method and system for transporting flows of fluid hydrocarbons containing wax, asphaltenes, and/or other precipitating solids
A method and a system for transporting a flow of fluid hydrocarbons containing wax and/or asphaltenes or any other precipitating solids through a treatment and transportation system including a...
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6878263 |
Rubber process oil and production process thereof
Disclosed is a rubber process oil in which the content of polycyclic aromatics (PCAs) as determined by the IP 346 method is less than 3% by mass and which is rich in aromatic hydrocarbons, and a...
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6673234 |
Combined process of low degree solvent deasphalting and delayed coking
A combined process of low degree solvent deasphalting and delayed coking, which comprises feeding a deasphalting stock and a solvent into an extractor and making the yield of the deasphalted oil 70...
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6652739 |
Process for deasphalting residua by reactive recycle of high boiling material
An improved process for deasphalting a residua feedstock by use of a short vapor residence time process unit comprised of a horizontal moving bed of fluidized and/or stirred hot particles. The...
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6554995 |
Method of separating petroleum-containing material into fractions, extraction system, and extraction fluid therefor
A method of separating a petroleum-containing material into at least two fractions, an extraction system, and an extraction fluid therefor are provided. Petroleum-containing material as well as a...
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6533925 |
Asphalt and resin production to integration of solvent deasphalting and gasification
This invention involves heat integration of a solvent deasphalting process with a gasification process and an improved process for separating a resin phase from a solvent solution comprising a...
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6524469 |
Heavy oil upgrading process
An improved heavy oil conversion process is disclosed in which the heavy oil feed is first thermally cracked using visbreaking or hydrovisbreaking technology to produce a product that is lower in...
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6511937 |
Combination slurry hydroconversion plus solvent deasphalting process for heavy oil upgrading wherein slurry catalyst is derived from solvent deasphalted rock
The invention described herein is directed to (a) slurry hydroprocessing (SHP) of a feed under SHP conditions; (b) deasphalting, under deasphalting conditions the product obtained from said step...
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6464856 |
Separation of tars, oils and inorganic constituents from oil bearing sands or shales
An improved process for the total separation and recovery of four constituents, namely, 1) insoluble pitches and tars also known as asphaltenes, 2) a kerosene based oil fraction, 3) clays and silts...
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6357526 |
Field upgrading of heavy oil and bitumen
A process and system which integrates on-site heavy oil or bitumen upgrading and energy recovery for steam production with steam-assisted gravity drainage (SAGD) production of the heavy oil or...
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6313367 |
Inhibition of asphaltene deposition in crude oil production systems
It has been discovered that various ester and ether reaction products are excellent asphaltene deposition inhibitors or dispersants for use in hydrocarbons such as crude oils. The asphaltene...
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6303842 |
Method of producing olefins from petroleum residua
Olefins may be produced by thermally steam cracking residuum containing a short residuum having a boiling point range greater than 565° C. wherein at least 3 weight percent of the short residuum...
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6274030 |
Filtration of feed to integration of solvent deasphalting and gasification
The invention is a process of removing solids, particularly catalyst fines, from an asphaltene-containing hydrocarbon liquid. The process comprises contacting an asphaltene-containing hydrocarbon...
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6274032 |
Method of and means for upgrading hydrocarbons containing metals and asphaltenes
A hydrocarbon source feed is upgraded using a solvent deasphalting (SDA) unit employing a solvent having a critical temperature T c by initially separating from a first hydrocarbon input stream...
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6270653 |
Method of controlling asphaltene precipitation in a fluid
A method of controlling asphaltene precipitation in a fluid comprising the addition of a precipitation inhibitor to the fluid containing the asphaltene.
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6245222 |
Additive enhanced solvent deasphalting process (law759)
The invention relates to a process for enhancing demetallation of metals containing hydrocarbonaceous feedstocks by contacting a metals containing hydrocarbonaceous feedstock at a sufficient...
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6241874 |
Integration of solvent deasphalting and gasification
The invention is the integration of a process of gasifying asphaltenes in a gasification zone by partial oxidation and the process of asphaltene extraction with a solvent. The integration allows...
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6207044 |
Solvent extraction of hydrocarbons from inorganic materials and solvent recovery from extracted hydrocarbons
A process for the solvent separation of hydrocarbons from tar sand or contaminated soils comprises extracting the hydrocarbons from the sand or soil in a solvent extraction means to form a...
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6204420 |
Synergistic mixtures of phosphoric esters with carboxylic acids or carboxylic acid derivatives as asphaltene dispersants
The invention relates to a synergistic mixture of A from 5 to 99% by weight of a carboxylic acid having more than 4 carbon atoms, an ethercarboxylic acid containing C 18 -C 22 -alkyl, C 18 -C...
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6171471 |
Heavy oil upgrading process (LAW813)
The present invention is a slurry-type process for upgrading heavy oils to FCC and S/C feeds under temperature and pressure conditions similar to MSHP, but employing catalysts in concentrations...
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6106701 |
Deasphalting process
Disclosed are methods for improving the separation of resins and asphaltenes from each other and a base residuum during alkane deasphalting by adding a phase separation accelerator to the residuum....
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6103808 |
High aromatic oil and rubber composition and oil extended synthetic rubber using the same
The high aromatic oil provided in the present invention is characterized by that a glass transition point is -45 to -20° C. and an aromatic component measured by Clay-Gel method accounts for 55 to...
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6042715 |
Method for modeling the crystallization of paraffins in petroleum fluids
A thermodynamic model is formed which allows determination of the temperature at which waxes or paraffins appear in petroleum fluids, and notably in crudes, as well as the solid fraction that...
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6027634 |
Process for stable aqueous asphaltene suspensions
A petroleum derived oil is subjected to propane deasphalting to yield a solid asphaltene residue. The residue is crushed to 425 micron diameter particle or less at a crushing temperature in the...
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5944984 |
Solvent deasphalting unit and method for using the same
An evaporative solvent recovery section operates on a plurality of liquid product streams including a liquid stream of deasphalted oil and solvent, and a liquid stream of asphaltene and solvent...
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5932090 |
Process for the conversion of heavy crude oils and distillation residues to distillates
The process for the conversion of heavy crude oils or distillation residues to distillates comprises the following steps: mixing the heavy crude oil or distillation residue with a suitable...
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5919355 |
Method of and apparatus for processing heavy hydrocarbons
A fractioning solvent deasphalting plant applies a solvent whose critical temperature is T c to a hydrocarbon feed containing asphaltenes and atmospheric distillate having fractions that boil...
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5914010 |
Apparatus for solvent-deasphalting residual oil containing asphaltenes
A feed stream of asphaltene-containing residual oil is processed by contacting the feed stream with a solvent to form a first primary liquid stream containing deasphalted oil (DAO) and some...
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5911875 |
Method and system for generating power from residual fuel oil
A method of generating power from residual fuel oil that is deasphalted with a flow of process steam to produce a deasphalted oil stream, a pitch stream, and a deasphalting condensate stream. The...
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5908548 |
Aromatic solvents having aliphatic properties and methods of preparation thereof
An aromatic solvent together with methods for its preparation are described. A composition includes a paraffin fraction in an amount of from approximately 9 LV % to approximately 15 LV %; a...
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5876592 |
Solvent process for bitumen separation from oil sands froth
A paraffinic solvent is mixed with bitumen froth containing water and solids. Sufficient solvent is added to induce inversion when the mixture is subjected to gravity or centrifugal forces. The...
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5843302 |
Solvent deasphalting unit capable of generating power
Solvent deasphalting apparatus includes a separator that receives two inputs, a heavy hydrocarbon feed and a solvent feed; and the apparatus produces two outputs, an asphaltene/solvent stream and a...
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5843303 |
Direct fired convection heating in residuum oil solvent extraction process
A residuum oil solvent extraction process is improved by using direct fired convection heaters for heating the asphaltene, the solvent-deasphalted oil phase, the deasphalted oil and the stripping...
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5843301 |
Electrodynamic-chemical processing for beneficiation of petroleum residue
A process and system for converting petroleum residue ("resid") into a liquid product and a solid product. The resid is first mixed with a solvent having a generally nonpolar molecular character. A...
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5804060 |
Method of and apparatus for producing power in solvent deasphalting units
Power is generated in an organic Rankine cycle turbine by expanding a stream of solvent vapor produced by a flash drum in a deasphalting unit to produce a stream of expanded solvent vapor that is...
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5785860 |
Upgrading heavy oil by ultrafiltration using ceramic membrane
A large pore (500°-2000° A) ceramic membrane is used to separate asphaltenes from heavy crude oil. Permeate is recycled to the feed for an initial period, during which the pores are deliberately...
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5714056 |
Process for deasphalting residua (HEN9511)
A process for deasphalting a residua feedstock by use of a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. It is preferred that a...
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5466365 |
Process for deasphalting and demetallizing petroleum residues
A process for deasphalting and demetallizing petroleum vacuum distillation residues using dimethylcarbonate (DMC) in the presence of an overpressure of carbon dioxide (CO 2 ) and comprising: ...
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5354454 |
Continuous process for deasphalting and demetallating a residue from crude oil distillation
A continuous process for deasphalting and demetallating a residue from crude oil distillation, by means of dimethyl carbonate as extraction solvent, comprises: mixing a residue from crude oil...
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