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| Number | Title | Issue Date |
| 8052864 | Process to prepare a sweet crude A process to prepare a sweet crude from an ash containing and heavy fraction of a tar sand oil comprising supplying an atmospheric distillation bottoms of a tar sands originated feed to a vacuum distillation to obtain a vacuum gas oil and a vacuum bottoms and contac... | 11/08/2011 |
| 8048291 | Heavy oil upgrader Systems and methods for processing one or more hydrocarbons are provided. One or more hydrocarbons can be selectively separated to provide one or more heavy deasphalted oils. At least a portion of the heavy deasphalted oil can be thermally cracked to provide one or ... | 11/01/2011 |
| 7964090 | Integrated solvent deasphalting and gasification Systems and methods for processing hydrocarbons are provided. A hydrocarbon containing one or more asphaltenes and one or more non-asphaltenes can be mixed with a solvent. The ratio of the solvent to the hydrocarbon can be about 2:1 to about 10:1. The asphaltenes ca... | 06/21/2011 |
| 7846324 | Use of heat exchanger in a process to deasphalt tar The invention relates to a process for upgrading tar using a heat exchanger in series with a vapor/liquid separator to separate tar into a heavy tar asphaltenic material and a deasphalted tar material. ... | 12/07/2010 |
| 7744743 | Process for upgrading tar A feedstream comprising tar is fed to a solvent deasphalter wherein it is contacted with a deasphalting solvent or fluid to produce a composition comprising a mixture or slurry of solvent containing a soluble portion of the tar, and a heavy tar fraction comprising t... | 06/29/2010 |
| 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 recovered as bottoms from the stripping tower. ... | 07/14/2009 |
| 7431831 | Integrated in-line pretreatment and heavy oil upgrading process A new residuum full hydroconversion slurry reactor system has been developed that allows the catalyst, unconverted oil, products and hydrogen to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixture is partial... | 10/07/2008 |
| 7407571 | Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed includes: an upgrader for receiving the heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasifier for receiv... | 08/05/2008 |
| 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 asphaltenes are separated. The DAO is supplied to an FCC unit 106 | 06/03/2008 |
| 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 heat transfer fluid 84 for high level process heati... | 03/25/2008 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 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 heated heavy hydrocarbon feed to an atmospheric fractionating tower for... | 11/20/2007 |
| 7279090 | Integrated SDA and ebullated-bed process This invention relates to a novel integrated method for economically processing vacuum residue from heavy crude oils. This is accomplished by utilizing a solvent deasphalter (SDA) in the first step of the process with a C3/C4/C5 solv... | 10/09/2007 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 7276151 | Gas turbine fuel oil and production method thereof and power generation method Feed oil is subject to atmospheric distillation, to thereby be separated into light oil or light distillate and atmospheric residue oil. The light distillate is catalytically contacted with pressurized hydrogen in the presence of a catalyst, resulting in a first hyd... | 10/02/2007 |
| 7226533 | Process for re-refining used oils by solvent extraction A process to re-refine used petroleum oils by extraction with aliphatic solvents, wherein after eliminating the extract solvent, the process consists of the following treatments, (a) flash, continuous vaporization, at atmospheric pressure or near atmospheric pressur... | 06/05/2007 |
| 7214308 | Effective integration of solvent deasphalting and ebullated-bed processing This invention relates to a novel method for economically processing vacuum residue from heavy crude oils by selectively processing the difficult and easy components in reactors whose design and operating conditions are optimized for the specific feed. The process u... | 05/08/2007 |
| 7144498 | Supercritical hydrocarbon conversion process Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high... | 12/05/2006 |
| 7029570 | Disaggregation of asphaltenes in incompatible petroleum oil mixtures The thermal decomposition of Athabasca asphaltene at relatively low ( | 04/18/2006 |
| 7008460 | Process for the production thermally converted light products and electricity Process for the production of thermally converted light products from residual feedstock and electricity from syngas obtained from thermal conversion residue as feedstock, in which process flue gas exiting from the electricity producing unit is fed through a heat re... | 03/07/2006 |
| 6976362 | Integrated Fischer-Tropsch and power production plant with low CO2 emissions A plant for producing Fischer-Tropsch liquids and electrical power with greatly reduced emissions of carbon dioxide to the atmosphere is made up of a syngas generator unit, an air separation unit, a Fischer-Tropsch unit, a CO2 removal unit, and a combined... | 12/20/2005 |
| 6974535 | Hydroconversion process for making lubricating oil basestockes A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubr... | 12/13/2005 |
| 6858131 | Gas turbine fuel oil and production method thereof and power generation method Feed oil is subject to atmospheric distillation, to thereby be separated into light oil or light distillate and atmospheric residue oil. The light distillate is catalytically contacted with pressurized hydrogen in the presence of a catalyst, resulting in a first hyd... | 02/22/2005 |
| 6702936 | Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed comprising: an upgrader for receiving said heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasif... | 03/09/2004 |
| 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 wt %-95 wt %, and introducing a part or all of the deasph... | 01/06/2004 |
| 6592748 | Reffinate hydroconversion process A process for producing a high VI/low volatility lubricating oil basestock and a lubricating oil basestock prepared by said process. The process comprises subjecting the raffinate from a solvent extraction step to a two step, single stage hydroconversion ... | 07/15/2003 |
| 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 solvent, deasphalted oil (DAO) and resin. This improved proces... | 03/18/2003 |
| 6332974 | Wide-cut synthetic isoparaffinic lubricating oils A wide-cut lubricant base stock is made by hydroisomerizing and then catalytically dewaxing a waxy Fischer-Tropsch synthesized hydrocarbon fraction feed and comprises the entire dewaxate having an initial boiling point in the 650-75O° F.+ range. Formulat... | 12/25/2001 |
| 6332975 | Anode grade coke production The invention is a process for making anode grade coke which comprises solvent deasphalting a residue feedstock to obtain an essentially asphaltene-free, resin-containing stream and coking the resin-containing stream in a delayed coker to make anode coke.... | 12/25/2001 |
| 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 has a boiling point greater than or equal to 650° C. The r... | 10/16/2001 |
| 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 Tc by initially separating from a first hydrocarbon input stream fractions with an atmospheric equivalent boiling te... | 08/14/2001 |
| 6183627 | Process and apparatus for upgrading hydrocarbon feeds containing sulfur, metals, and asphaltenes Upgrading of a hydrocarbon feed containing sulfur, metals, and asphaltenes involves applying the feed to a distillation column for producing a substantially asphaltene-free, and metal-free distillate fraction and a non-distilled fraction containing sulfur... | 02/06/2001 |
| 6179995 | Residuum hydrotreating/hydrocracking with common hydrogen supply An integrated residuum hydroconversion process which includes a residuum hydrotreater and a desulfurized oil hydrocracker produces high quantities of high quality middle distillate fuels. Distillate range products from the residuum hydrotreater are hydroc... | 01/30/2001 |
| 6171477 | Hydroconversion of vacuum distillates and deasphalted oils in fixed beds and boiling beds A process for the conversion of a hydrocarbon fraction comprising a step a) for treating a hydrocarbon charge in the presence of hydrogen in at least one reactor containing at least one hydrodesulphurisation catalyst in a fixed bed under conditions that m... | 01/09/2001 |
| 6153087 | Process for converting heavy crude oil fractions, comprising an ebullating bed conversion step and a hydrocracking step A process for converting a hydrocarbon fraction comprises a step a) for treating a hydrocarbon feed in the presence of hydrogen in at least one three-phase reactor, containing at least one hydrotreatment catalyst in an ebullating bed, operating in riser m... | 11/28/2000 |
| 6096189 | Hydroconversion process for making lubricating oil basestocks A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone.... | 08/01/2000 |
| 6054496 | Method for transporting a heavy crude oil produced via a wellbore from a subterranean formation to a market location and converting it into a distillate product stream using a solvent deasphalting process A method for producing a heavy crude oil from a subterranean formation through a wellbore, transporting the heavy crude oil to a market location and converting the heavy crude oil into a product distillate hydrocarbon stream and by-products such as heat, ... | 04/25/2000 |
| 5976361 | 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 Tc by initially separating from a first hydrocarbon input stream fractions with an atmospheric equivalent boiling te... | 11/02/1999 |
| 5958365 | Method of producing hydrogen from heavy crude oil using solvent deasphalting and partial oxidation methods Heavy crude oil is recovered and processed at a refinery through (a) a distillation zone(s), (b) a solvent deasphalting unit (c ) a high pressure air partial oxidation gasifier to produce a CO-rich gas mixture including hydrogen, (d) a shift reactor and (... | 09/28/1999 |
| 5919355 | Method of and apparatus for processing heavy hydrocarbons A fractioning solvent deasphalting plant applies a solvent whose critical temperature is Tc to a hydrocarbon feed containing asphaltenes and atmospheric distillate having fractions that boil above about Tc -50° F. such that said fee... | 07/06/1999 |
