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| Number | Title | Issue Date |
| 8147677 | Method and apparatus for introducing fluids into a hydrocracking reactor The invention provides a method and apparatus for introducing a high-density hydrocarbon liquid into a hydrocracking reactor. The method comprises atomizing the high-density hydrocarbon liquid and injecting the atomized liquid into the hydrocracking reactor. The met... | 04/03/2012 |
| 7842180 | Hydrocracking process A hydrocracking process wherein a liquid phase stream comprising a hydrocarbonaceous feedstock and a liquid phase effluent from a hydrocracking zone and a sufficiently low hydrogen concentration to maintain a liquid phase continuous system into a hydrotreating zone.... | 11/30/2010 |
| 7615142 | Expanded bed reactor system and method for hydroprocessing wax produced by Fischer-Tropsch reaction and contaminated with solids An expanded bed hydroprocessing system and related method includes at least one expanded bed reactor that employs a solid catalyst to catalyze hydroprocessing reactions involving hydrogen and a high molecular weight hydrocarbon feedstock (e.g., a Fischer-Tropsch wax... | 11/10/2009 |
| 7553405 | Process to prepare a synthesis gas A process to prepare a synthesis gas comprising hydrogen and carbon monoxide comprises performing a partial oxidation on a methane comprising feed using a multi-orifice burner provided with an arrangement of separate passages, wherein the gaseous hydrocarbon having ... | 06/30/2009 |
| 7537686 | Inhibitor enhanced thermal upgrading of heavy oils A method for upgrading heavy oils by contacting the heavy oil with an inhibitor additive and then thermally treating the inhibitor additized heavy oil. The invention also relates to the upgraded product from the inhibitor enhanced thermal treatment process. ... | 05/26/2009 |
| 7534340 | Process for the preparation of middle distillates and lube bases starting from synthetic hydrocarbon feedstocks Process for the contemporaneous production of fuels and lubricating bases from synthetic paraffinic mixtures, which includes a hydrocracking step in the presence of a solid bi-functional catalyst comprising: (A) a support of an acidic nature consisting of a catalyti... | 05/19/2009 |
| 7417073 | Preparation of titania and cobalt aluminate catalyst supports and their use in Fischer-Tropsch synthesis Supports for Fischer-Tropsch catalysts are formed by forming a particulate material from titania, alumina and optionally silica. A cobalt compound is incorporated into the particulate material which then is calcined to convert at least part of the alumina to cobalt ... | 08/26/2008 |
| 7384542 | Process for the production of low sulfur diesel and high octane naphtha A process for the production of low sulfur diesel and high octane naphtha. ... | 06/10/2008 |
| 7384539 | Optimized preheating of hydrogen/hydrocarbon feed streams An improved and simplified hydrocarbon processing system is provided which has a mixing section for mixing of hydrogen and hydrocarbon to form combined, two-phase streams, as well as an indirect heat exchange section having a plurality of double-pass shell-and-tube ... | 06/10/2008 |
| 7374657 | Production of low sulfur, moderately aromatic distillate fuels by hydrocracking of combined Fischer-Tropsch and petroleum streams The present invention relates to distillate fuels or distillate fuel blend stocks comprising a blend of a Fischer-Tropsch derived product and a petroleum derived product that is hydrocracked under conditions to preserve aromatics. The resulting distillate fuel produ... | 05/20/2008 |
| 7358413 | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating the hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam and optionally water to form a mixture stream; (c) introducing the mixture stream to a flash/sepa... | 04/15/2008 |
| 7351872 | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace A process and control system for cracking a heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising heating the heavy hydrocarbon feedstock, mixing the heated heavy hydrocarbon feedstock with a dilution steam stream to form a mixture stream havin... | 04/01/2008 |
| 7312371 | Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors A process for cracking a heavy hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a stripping agent is added to the feedstock to form an enhanced hydrocarbon blend which is thereafter separated into a vapor phase and a liquid ph... | 12/25/2007 |
| 7311746 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap sect... | 12/25/2007 |
| 7285697 | Reduction of total sulfur in crude and condensate cracking A process for cracking hydrocarbon feedstock comprising at least one sulfur-containing compound comprising: heating the feedstock and a peroxide-containing compound, mixing the heated feedstock and peroxide-containing compound with a fluid and/or a primary dilution ... | 10/23/2007 |
| 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 |
| 7270743 | Products produced form rapid thermal processing of heavy hydrocarbon feedstocks The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the pr... | 09/18/2007 |
| 7247765 | Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixtu... | 07/24/2007 |
| 7244871 | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated into a vapor phase and a liquid phase by flashing in a flash/separatio... | 07/17/2007 |
| 7235705 | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks A process for reducing fouling during cracking of a hydrocarbon feedstock containing resid is provided which comprises: introducing a mixture stream of heated hydrocarbon feedstock mixed with steam to a flash/separation apparatus to form i) a vapor phase at its dew ... | 06/26/2007 |
| 7232848 | Gas agitated multiphase reactor with stationary catalyst solid phase An apparatus for converting a gaseous and/or liquid feed fluid to gaseous and/or liquid products using a solid catalyst comprises a reactor, a liquid phase disposed within the reactor volume, a fixed catalyst at least partially disposed in the liquid phase, a coolin... | 06/19/2007 |
| 7220887 | Process and apparatus for cracking hydrocarbon feedstock containing resid A process for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase which co... | 05/22/2007 |
| 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 |
| 7173160 | Processes for concentrating higher diamondoids Hydroprocessing such as hydrocracking is advantageously employed in processes for the recovery and purification of higher diamondoids from petroleum feedstocks. Hydrocracking and other hydroprocesses degrade nondiamondoid contaminants. ... | 02/06/2007 |
| 7160437 | Method for determining the source of fouling in thermal conversion process units The present invention relates to a method for determining the source of fouling in petroleum thermal conversion process units. More particularly, the invention distinguishes whether fouling occurs due to feed entrainment of small feed droplets or vapor phase condens... | 01/09/2007 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One m... | 12/19/2006 |
| 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 |
| 7138047 | Process for steam cracking heavy hydrocarbon feedstocks A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flas... | 11/21/2006 |
| 7097758 | Converting mist flow to annular flow in thermal cracking application A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the removal efficiency. The conver... | 08/29/2006 |
| 7090765 | Process for cracking hydrocarbon feed with water substitution A process for treating hydrocarbon feed in a furnace, the process comprising: (a) heating hydrocarbon feed, (b) adding water to the heated feed, (c) adding dilution steam to the heated feed to form a mixture, (d) heating the resulting mixture and feeding the resulti... | 08/15/2006 |
| 7067053 | Additives for improving thermal conversion of heavy crude oil A process for upgrading a heavy crude oil includes the steps of providing a heavy crude oil; and exposing the heavy crude oil to residue conversion conditions in the presence of a free radical generator and a hydrogen donor, whereby the free radical generator enhanc... | 06/27/2006 |
| 6908602 | Hydrocarbon conversion process Method for producing hydrogen and a hydroprocessed product from a hydrocarbonaceous feedstock by subjecting it to a catalytic hydrocracking treatment using hydrogen which has been at least partly produced from hydrocracked feedstock and subjecting at least pan of th... | 06/21/2005 |
| 6908543 | Method for retarding fouling of feed heaters in refinery processing A method of minimizing the formation of polymers and other heavy molecular weight products upon heating of a hydrocarbon stream in a hydroconversion process is described. Specifically, sufficient hydrogen-containing gas is added to the hydrocarbon stream before heat... | 06/21/2005 |
| 6887369 | Pretreatment processes for heavy oil and carbonaceous materials A process for treating a carbonaceous material includes reacting the carbonaceous material and a process gas in supercritical water to at least one of hydrotreat and hydrocrack the carbonaceous material to form a treated carbonaceous material. The process is prefera... | 05/03/2005 |
| 6873672 | Procedure and device for measuring resistance to hydriding of tubes and tubular claddings The method involves measuring hydrogen permeation in the tubes by mass spectrometry, wherein the tube is inserted into a high or ultrahigh vacuum device in which a mass spectrometer and a total pressure gauge are located. H2 or H2 and inert gas... | 03/29/2005 |
| 6858128 | Hydrocracking process A catalytic hydrocracking process wherein a hydrocarbonaceous feedstock and a liquid recycle stream is contacted with hydrogen in a hydrocracking reaction zone at elevated temperature and pressure to obtain conversion to lower boiling hydrocarbons. A liquid hydrocar... | 02/22/2005 |
| 6858127 | Process for the preparation of middle distillates A process for the preparation of one or more hydrocarbon fuel products boiling in the kero/diesel range from a stream of hydrocarbons produced in a Fischer-Tropsch process, in which process synthesis gas is converted into liquid hydrocarbons, at least a part of the ... | 02/22/2005 |
| 6858769 | Lithium aluminate layered catalyst and a selective oxidation process using the catalyst A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has dispersed thereon a platinum group metal and a promoter metal, e.g. platin... | 02/22/2005 |
| 6852215 | Heavy oil upgrade method and apparatus A method for upgrading a hydrocarbon in which an oxygen source and a hydrogen source are ignited and the resulting synthetic gas is used to initiate a predominantly gas phase heavy oil upgrade reaction. The upgrade reaction is quenched with an additional source of u... | 02/08/2005 |
| 6740226 | Process for increasing hydrogen partial pressure in hydroprocessing processes In a hydrocracking unit, the flash gases from the high-pressure separator are fed to the bottom of an absorption zone where the entering gases are counter-currently contacted with a lean solvent. The lean solvent absorbs away the contained methane, ethane, propane, ... | 05/25/2004 |
