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| Number | Title | Issue Date |
| 8157895 | System for reducing head space in a pressure cyclone A pressure cyclone is disclosed having a concave top head, wherein the concave top head has a substantially flat roof disposed in the interior of the cyclone vessel. An inlet is tangentially-coupled to the vessel and has an inlet nozzle disposed therein and configur... | 04/17/2012 |
| 8152994 | Process for upgrading atmospheric residues Systems and methods for processing one or more hydrocarbons are provided. One or more hydrocarbon feedstocks can be selectively separated to provide one or more light deasphalted oils. At least a portion of the light deasphalted oil can be hydrocracked to provide on... | 04/10/2012 |
| 8137535 | Method for adjusting catalyst activity Systems and methods for producing and using one or more doped catalysts are provided. One or more coked-catalyst particles can be fluidized in the presence of one or more oxidants to provide a fluidized mixture. The coke from the one or more coked-catalyst particles... | 03/20/2012 |
| 8083838 | Direct stripping cyclone Systems and methods for the separation of a particulate-fluid suspension are provided. An apparatus for the separation of a particulate-fluid suspension can include an enclosed vessel having two or more sections disposed coaxially along a common longitudinal centerl... | 12/27/2011 |
| 8080698 | Method for olefin production from butanes and cracking refinery hydrocarbons and alkanes Systems and processes for producing one or more olefins are provided. A feed containing C4 compounds can be dehydrogenated to provide a first product containing butene. At least a portion of the first product can be bypassed around a methyl-tert-butyl-eth... | 12/20/2011 |
| 8057578 | Method for treatment of process waters Systems and methods for treating water. Water containing one or more thermally destructible contaminants can be contacted with one or more oxidants to provide an effluent containing essentially contaminant-free water and a recycle containing the one or more oxidants... | 11/15/2011 |
| 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 |
| 8048202 | Method for treatment of process waters using steam Systems and methods for treating water. Water containing one or more thermally destructible contaminants can be contacted with steam to provide an effluent containing essentially contaminant-free water and a recycle containing the steam and at least a portion of the... | 11/01/2011 |
| 8001917 | Web frame A marine structure comprises a supporting member adapted to be located at least partially immersed in water. The supporting member comprises a wall at least partially delimiting the supporting member such that an inner side of the wall at least partially delimits an... | 08/23/2011 |
| 7997541 | Systems and methods for supporting a pipe Systems and methods for supporting a pipe are provided. An insulated pipe system can include a pipe, a first isolator disposed about at least a portion of the pipe, wherein the first isolator comprises aerogel, and a second isolator disposed about at least a portion... | 08/16/2011 |
| 7981277 | Integrated solvent deasphalting and dewatering A method for dewatering and deasphalting a hydrocarbon feed is provided. A hydrocarbon feed containing one or more hydrocarbons, asphaltenes and water can be mixed or otherwise combined with one or more solvents. The addition of the solvent sufficiently decreases th... | 07/19/2011 |
| 7968020 | Hot asphalt cooling and pelletization process Systems and methods for pelletizing hot asphaltenes are provided. Asphaltenic hydrocarbons can be dispersed to provide two or more asphaltenic particles. The asphaltenic hydrocarbons can be at a temperature of from about 175° C. to about 430° C. The asphaltenic pa... | 06/28/2011 |
| 7964092 | Heavy hydrocarbon dewatering and upgrading process Systems and methods for processing hydrocarbons are provided. A first mixture including one or more hydrocarbons and water can be separated to provide a first waste water and a second mixture. The second mixture can be apportioned into a first portion and a second p... | 06/21/2011 |
| 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 |
| 7963721 | Distributed buoyancy subsea pipeline apparatus and method Apparatuses including a subsea pipeline (18) extending from a first location (14) to a second location (16) and including at least one distributed buoyancy region (102) to traverse a seabed topographic feature (12) are presented. M... | 06/21/2011 |
| 7963335 | Subsea hydraulic and pneumatic power Systems and methods for providing energy to sub-sea support equipment. Energy can be provided by diverting at least a portion of a fluid from a well producing system to sub-sea support equipment units that can be disposed in the vicinity of the sea-floor, sea-bed, o... | 06/21/2011 |
| 7955496 | Systems and methods for upgrading hydrocarbons Systems and methods for upgrading hydrocarbons are provided. A portion of a hydrocarbon can be vaporized in the presence of gasified hydrocarbons, combustion gas, and solids to provide a vaporized gas. A portion of the hydrocarbon can be cracked in the presence of t... | 06/07/2011 |
| 7955403 | Systems and methods for producing substitute natural gas Systems and methods for producing synthetic natural gas are provided. The method can include gasifying a carbonaceous feedstock within a gasifier to provide a raw syngas. The raw syngas can be cooled to provide a cooled raw syngas. The cooled raw syngas can be proce... | 06/07/2011 |
| 7950609 | Acoustic dampening pipe shoe A pipe support for dampening acoustic propagation from a pipeline is provided. The pipe support can include a support base and a movable base spatially arranged from the support base. One or more fasteners can be disposed through the movable base to the support base... | 05/31/2011 |
| 7943038 | Method for producing olefins using a doped catalyst Processes for producing one or more olefins are provided. In one or more embodiments, a doped catalyst can be prepared by fluidizing one or more coked-catalyst particles in the presence of one or more oxidants to provide a fluidized mixture. At least a portion of th... | 05/17/2011 |
| 7932296 | Catalytic partial oxidation reforming for syngas processing and products made therefrom Systems and methods for producing syngas are provided. A first hydrocarbon can be partially oxidized in the presence of an oxidant and one or more first catalysts at conditions sufficient to partially combust a portion of the first hydrocarbon to provide carbon diox... | 04/26/2011 |
| 7892511 | Pseudoisothermal ammonia process Systems and processes for producing one or more products from syngas are provided. A feedstock can be gasified in the presence of an oxidant to provide a syngas comprising carbon dioxide, carbon monoxide, and hydrogen. At least a portion of the syngas can be combust... | 02/22/2011 |
| 7883618 | Recycle of olefinic naphthas by removing aromatics Systems and processes for producing one or more olefins. A feed containing 90% by weight or more C4 and higher hydrocarbons can be cracked at conditions sufficient to provide an olefinic mixture and an aromatic mixture. The olefinic mixture can comprise 9... | 02/08/2011 |
| 7846417 | Maximum reaction rate converter process for exothermic reactions An ammonia converter and method are disclosed. The reactor can alter the conversion of ammonia by controlling the reaction temperature of the exothermic reaction along the length of the reactor to parallel the equilibrium curve for the desired product. The reactor | 12/07/2010 |
| 7879119 | Heat integration and condensate treatment in a shift feed gas saturator Systems and processes for adjusting hydrogen content of a synthesis gas are provided. At least a portion of carbon monoxide in a syngas can be converted to carbon dioxide to provide a shifted syngas and condensed water. The syngas can have a first hydrogen to carbon... | 02/01/2011 |
| 7867465 | Cold wall horizontal ammonia converter Systems and methods for producing ammonia. Nitrogen and hydrogen can be supplied to a reaction zone disposed inside an inner shell. The inner shell can be disposed inside an outer shell such that a space is formed therebetween. The reaction zone can include at least... | 01/11/2011 |
| 7867460 | Efficiency of ammonia processes Systems and methods for producing ammonia. The system can include a first shell having two or more discrete catalyst beds disposed therein, a second shell disposed about the first shell, a first heat exchanger disposed external to the first shell and in fluid commun... | 01/11/2011 |
| 7842254 | Maximum reaction rate converter for exothermic reactions An ammonia converter is disclosed. The converter can alter the conversion of ammonia by controlling the reaction temperature of the exothermic reaction along the length of the reactor to parallel the equilibrium curve for the desired product. The converter can compr... | 11/30/2010 |
| 7833408 | Staged hydrocarbon conversion process Systems and methods for staging an investment in hydrocarbon processing are provided. In a first stage, a hydrocarbon feed can be apportioned equally or unequally into first and second portions. The first portion can be mixed with one or more oxidants and gasified t... | 11/16/2010 |
| 7820034 | Diluent from heavy oil upgrading An apparatus and process for partially upgraded heavy oil diluent production. A crude heavy oil and/or bitumen feed is supplied to an FCC unit having a low activity catalyst and low conversion number. A distillate fraction is supplied for use as diluent to end users... | 10/26/2010 |
| 7820033 | Method for adjusting yields in a light feed FCC reactor A process for increasing ethylene yield in a cracked hydrocarbon is provided. A hydrocarbon feed stream comprising at least 90% by weight of one or more C4-C10 hydrocarbons can be heated to provide an effluent stream comprising at least 10% by ... | 10/26/2010 |
| 7819608 | Distributed buoyancy pipeline installation method Apparatuses including a subsea pipeline (18) extending from a first location (14) to a second location (16) and including at least one distributed buoyancy region (102) to traverse a seabed topographic feature (12) are presented. M... | 10/26/2010 |
| 7770651 | Method and apparatus for sub-sea processing A submersible process environment for sub-sea processing is provided. Such environment can include a modular encapsulated unit having an interior volume and one or more processing units disposed therein, a first valve in fluid communication with the interior and ext... | 08/10/2010 |
| 7749378 | Bitumen production-upgrade with common or different solvents Disclosed is a process for the upgrading of heavy oils and bitumens, where the total feed to the process can include heavy oil or bitumen, water, and diluent. The process can include the steps of solvent deasphalting 110 the total feed 105 to recover a... | 07/06/2010 |
| 7748464 | Subsea well communications apparatus and method using variable tension large offset risers The current subject matter relates to compliant variable tension risers to connect deep-water subsea wellheads to a single floating platform in wet tree or dry try systems. The variable tension risers allow several subsea wellheads, in water depths from 1220 to 3050... | 07/06/2010 |
| 7722690 | Methods for producing synthesis gas A process for producing electrical power, chemicals, carbon dioxide, and hydrogen is provided. One or more feedstocks and one or more oxidants can be combined in a fluidized reaction zone heated to a temperature from about 1050° F. to about 1900° F. to provide a s... | 05/25/2010 |
| 7713491 | Dual riser venting method and system Two or more cyclone systems can be contained in a single vessel. Each cyclone system can be in fluid communication with an inlet stream and a fluid discharge line. First cyclone system can include a vent open to the cyclone containing vessel. Second cyclone system c... | 05/11/2010 |
| 7687041 | Apparatus and methods for urea production Apparatus and methods for producing urea are provided. In one or more embodiments, an apparatus for producing urea can include a first zone, which can include a first flow channel in fluid communication with a first tube disposed about a first end of a plurality of ... | 03/30/2010 |
| 7642377 | Systems and methods for integrated ammonia-urea process Systems and methods for producing urea are provided. A method for producing urea can include exchanging heat from a syngas comprising hydrogen and carbon dioxide to a urea solution comprising urea and ammonium carbamate. The heat transferred can be sufficient to dec... | 01/05/2010 |
| 7635456 | Low pressure drop reforming reactor A syngas reforming reactor has a shell-and-tube configuration wherein the shell-side fluid flow path through the tube bundle has a longitudinal configuration. The reactor can include a shell-side inlet fluid distributor plate below the lower end of the tube bundle, ... | 12/22/2009 |
