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| Number | Title | Issue Date |
| 7964093 | Selenium removal process Methods and apparatus relate to treating fluid to at least reduce selenium content within the fluid, which may be an aqueous liquid and form a feed stream. The treating removes selenium that may be present in compounds, such as selenocyanate, from the feed stream ba... | 06/21/2011 |
| 7959829 | Gasification system and process with staged slurry addition A system and process for gasifying carbonaceous feedstock with staged slurry addition in order to prevent the formation of tar that causes deposition problems. Dry solid carbonaceous material is partially combusted, then pyrolyzed along with a first slurry stream co... | 06/14/2011 |
| 7956227 | Oligomerization of hydrocarbons Methods of oligomerizing hydrocarbons are disclosed. These methods include contacting olefins with an oligomerization catalyst in an oligomerization zone under oligomerization reaction conditions. ... | 06/07/2011 |
| 7955588 | Metal sulfide catalysts and methods of making same Methods and apparatus relate to catalysts and preparation of the catalysts, which are defined by sulfides of a transition metal, such as one of molybdenum, tungsten, and vanadium. Precursors for the catalysts include a metal ion source compound, such as molybdenum t... | 06/07/2011 |
| 7955576 | Process for the removal of heavy metals from gases A composition, containing vanadium and a support, wherein at least a portion of the vanadium has crystallite sizes of less than about 100 Å as determined by an analytical method such as X-Ray Diffraction, is disclosed. A method of preparing such composition is als... | 06/07/2011 |
| 7955401 | Hydrotreating and catalytic dewaxing process for making diesel from oils and/or fats Methods for producing C10-C30 hydrocarbons from fatty materials, such as triglyceride compounds, are provided. Hydrocarbon compounds, particularly those boiling in the temperature range of between about 80° F. to about 1000° F., are produced by contacting a fatty ... | 06/07/2011 |
| 7947182 | Naphthenic acid removal process A process is disclosed for removing naphthenic acid from a waste water stream using a composition containing a zeolite and carbon, wherein the carbon is present on the exterior surfaces and pore surfaces of the zeolite, for removal of at least a portion of the napht... | 05/24/2011 |
| 7943112 | Methods of making lithium vanadium oxide powders and uses of the powders Methods relate to making lithium vanadium oxide powders. Applications for the lithium vanadium oxide powders include use as a negative electrode or anode material for lithium ion batteries. Liquid phase reactions and reduction in vanadium oxidation state of precurso... | 05/17/2011 |
| 7938894 | Hybrid organic-inorganic gas separation membranes The invention discloses a composition comprising a hybrid composite organic-inorganic membrane. The hybrid organic-inorganic membrane according to the present invention may comprise an amorphous porous layer incorporating organic functionalities. The amorphous porou... | 05/10/2011 |
| 7933758 | Method and apparatus for geomodel uplayering Embodiments of the present invention provide a method and apparatus for geomodel uplayering. The method may include calculating one or more vertical cell property means for cells within a three-dimensional geomodel, generating at least one vertical mean trend sum ut... | 04/26/2011 |
| 7923396 | Hydrocarbon conversion A catalyst comprising at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals and combinations thereof, an organic compound, and a solid acid and a method of making said catalyst is disclosed. The catalyst can be used... | 04/12/2011 |
| 7922977 | Catalyst system for enhanced flow syngas production A method and apparatus for converting a hydrocarbon and oxygen containing gas feed stream to a product stream, such as syngas, including catalytically partially oxidizing the hydrocarbon feed stream over a catalyst bed. The catalyst bed has a downstream zone which i... | 04/12/2011 |
| 7922896 | Method for reducing fouling of coker furnaces A method for reducing furnace fouling in a delayed coking process comprising (a) supplying at least one feed to a delayed coking unit comprised of coker furnace, at least two coke drums and a coker fractionator, (b) increasing the aromaticity of the feed to produce ... | 04/12/2011 |
| 7922895 | Supercritical water processing of extra heavy crude in a slurry-phase up-flow reactor system A method of mixing a catalyst with a heavy oil to create a heavy oil/catalyst mixture. This is followed by combining the heavy oil/catalyst mixture with supercritical water to form light hydrocarbon products and heavy hydrocarbon products. By doing so the light hydr... | 04/12/2011 |
| 7919665 | Mercury removal from hydrocarbons A process is disclosed for removing mercury from a liquid hydrocarbon stream by contacting the mercury-containing liquid hydrocarbon stream with ferrous halide at moderate temperatures and without preheating the liquid hydrocarbon stream, or subjecting the liquid hy... | 04/05/2011 |
| 7909093 | In situ combustion as adjacent formation heat source Methods and apparatus relate to in situ combustion. Configurations of injection and production wells facilitate the in situ combustion. A first production well disposed in a first oil bearing reservoir is spaced from a second production well disposed in a second oil... | 03/22/2011 |
| 7906457 | Process for the removal of heavy metals from gases, and compositions therefor and therewith A composition, containing vanadium and a support, wherein at least a portion of the vanadium has crystallite sizes of less than about 100 Å as determined by an analytical method such as X-Ray Diffraction, is disclosed. A method of preparing such composition is als... | 03/15/2011 |
| 7906027 | Mercury removal process A process for removing mercury from an aqueous stream using a supported selenium and sulfur material is disclosed. ... | 03/15/2011 |
| 7902418 | Disproportionation of isopentane A process for disproportionating isopentane into isomers of hexane and butane that utilizes a fixed bed reactor employing a catalyst composition comprising aluminum halide. The process additionally includes a product separation zone which can be configured to recove... | 03/08/2011 |
| 7901486 | Removal of heavy metals from hydrocarbon gases A process is disclosed for removing heavy metals from a hydrocarbon gas stream by contacting the hydrocarbon gas stream, which contains a heavy metal and less than 10 ppm oxidizing compounds, with a composition containing a molecular sieve and sulfur resulting in a ... | 03/08/2011 |
| 7890339 | Surface ownership data management system A system, method and computer program relate to gathering and managing ownership data for properties in a geographic area on which an asset, such as a pipeline is located. ... | 02/15/2011 |
| 7888407 | Disperse non-polyalphaolefin drag reducing polymers A drag reducing composition comprising at least one non-polyalphaolefin polymer having an average particle size in the range of from about 5 to about 800 micrometers. The non-polyalphaolefin polymer can initially be formed via emulsion polymerization. The initial po... | 02/15/2011 |
| 7888278 | Stabilized alumina supports, catalysts made therefrom, and their use in partial oxidation The present invention relates to stabilized supports stable at temperatures above 800° C., and method of preparing such supports, which includes adding a rare earth metal to an aluminum-containing precursor prior to calcining. The present invention can be more spec... | 02/15/2011 |
| 7884144 | Hydrate inhibited latex flow improver A process in which a mixture is agitated in a substantially oxygen-free environment to produce an agitated emulsion. The mixture comprises water, one or more surfactants, a hydrate inhibitor, and a monomer. The monomer is then polymerized in the emulsion using an in... | 02/08/2011 |
| 7883682 | Carbon dioxide rich off-gas from a two stage gasification process A process for gasification is provided for a non-catalytic, two-stage gasification process for gasification of a carbonaceous material. The reactor system generally comprises combustion in a first reaction zone and combustion in a second reaction zone. ... | 02/08/2011 |
| 7876425 | Method and apparatus for surface enhanced raman spectroscopy A test cell comprises a test chamber at least partially enclosed by a wall. The test chamber holds a test fluid, and a test material is placed within the test chamber such that at least a portion of the test material is contact with the test fluid and at least a por... | 01/25/2011 |
| 7872943 | Method of accounting for wavelet stretch in seismic data A computer-implemented method of accounting for angle-dependent wavelet stretch in seismic data based on a novel relationship between wavelet stretch and the cosine of a reflection angle of an acoustic ray. Conventional seismic data having at least one wavelet, such... | 01/18/2011 |
| 7870899 | Method for utilizing pressure variations as an energy source The present disclosure relates to a pump mechanism driven by differential pressure conditions and method for delivery of materials. In one embodiment, the pump mechanism may be used to deliver treatment chemical to a plunger apparatus or directly to a wellbore by ex... | 01/18/2011 |
| 7869304 | Method and apparatus for pre-inversion noise attenuation of seismic data A method and apparatus for pre-inversion noise attenuation of seismic data. The method can generally comprise: (a) acquiring seismic data including receiver data corresponding to vibratory signals simultaneously generated by the multiple sources and detected by at l... | 01/11/2011 |
| 7866184 | Semi-closed loop LNG process A semi-closed loop system for producing liquefied natural gas (LNG) that combines certain advantages of closed-loop systems with certain advantages of open-loop systems to provide a more efficient and effective hybrid system. In the semi-closed loop system, the fina... | 01/11/2011 |
| 7864630 | Method and apparatus for minimizing interference between seismic systems A method and apparatus for minimizing interference between seismic systems. The method may generally include: (a) actuating a plurality of first sources associated with a first seismic system to generate a first plurality of phase-encoded vibratory signals; (b) actu... | 01/04/2011 |
| 7862891 | Composite tether and methods for manufacturing, transporting, and installing same The present invention includes a nontwisted composite tether comprising one or more composite rods encased in a jacket and a method for manufacturing same. A portion of the rods may be bundled into one or more strands, provided however that the rods comprising the s... | 01/04/2011 |
| 7842738 | High polymer content hybrid drag reducers A drag reducing composition comprising particles of at least two different drag reducing polymers. The different drag reducing polymers can be formed by different processes, such as bulk polymerization or emulsion polymerization, and the particles of the different d... | 11/30/2010 |
| 7833551 | Inhibition of biogenic sulfide production via biocide and metabolic inhibitor combination Biogenic sulfide production is synergistically inhibited by treating sulfate-reducing bacteria (SRB) with a biocide and a metabolic inhibitor. The biocide directly kills a first portion of the SRB. The metabolic inhibitor inhibits sulfate-reducing growth of a second... | 11/16/2010 |
| 7807467 | Method for prediction of high frequency reciprocating rig wear scar diameter for hydrocarbon mixtures based on mid-infrared spectroscopy A method is disclosed for predicting the High Frequency Reciprocating Rig (HFRR) wear scar diameter for a hydrocarbon mixture using an HFRR wear scar diameter prediction equation which predicts the HFRR wear scar diameter based on the mid-infrared spectroscopy test ... | 10/05/2010 |
| 7803265 | Distillate-to-gasoline catalyst system and process therefor A process is disclosed for converting distillate to gasoline-range hydrocarbons using a two-stage catalyst system including a first catalyst containing platinum, palladium, or platinum and palladium, and an acidic support, and a second catalyst containing iridium an... | 09/28/2010 |
| 7798222 | Expandable fluid cement sand control A system for preventing the migration of unconsolidated and/or loosely consolidated material into a wellbore. Such prevention is accomplished by introducing a well treatment medium comprising an expandable fluid and a bonding agent into an unconsolidated zone proxim... | 09/21/2010 |
| 7793720 | Producer well lugging for in situ combustion processes Methods and apparatus relate to controlling location of inflow into a production well during in situ combustion. The production well includes intervals closable to the inflow at identified times. Once a combustion front from the in situ combustion passes one of the ... | 09/14/2010 |
| 7785661 | Methods of preparing composite carbon-graphite-silicon particles and using same A process for production of coated silicon-carbon composite particles includes providing a carbon residue-forming material, providing particles of a carbonaceous material, and coating in a liquid suspension mixture the particles of carbonaceous material with the car... | 08/31/2010 |
| 7784548 | Smart compressed chamber well optimization system A system for extracting a gas and a liquid from a well broadly includes tubing strings that collect well liquid and a gas lift system that removes the collected liquid. A standing valve connects the strings and permits liquid to enter the strings from the subsurface... | 08/31/2010 |
