Patent application number | Description | Published |
20110000221 | Low Emission Power Generation and Hydrocarbon Recovery Systems and Methods - Methods and systems for low emission power generation in hydrocarbon recovery processes are provided. One system includes integrated pressure maintenance and miscible flood systems with low emission power generation. An alternative system provides for low emission power generation, carbon sequestration, enhanced oil recovery (EOR), or carbon dioxide sales using a hot gas expander and external combustor. Another alternative system provides for low emission power generation using a gas power turbine to compress air in the inlet compressor and generate power using hot carbon dioxide laden gas in the expander. Other efficiencies may be gained by incorporating heat cross-exchange, a desalination plant, co-generation, and other features. | 01-06-2011 |
20110300493 | Methods and Systems For Controlling The Products of Combustion - The present invention relates to methods and systems for controlling a combustion reaction and the products thereof. One embodiment includes a combustion control system having an oxygenation stream substantially comprising oxygen and CO | 12-08-2011 |
20120131925 | COMBUSTOR SYSTEMS AND METHODS FOR USING SAME - Systems and methods for an oxy-fuel type combustion reaction are provided. In one or more embodiments, a combustion system can include at least two mixing zones, where a first mixing zone at least partially mixes oxygen and carbon dioxide to produce a first mixture and a second mixing zone at least partially mixes the first mixture with a fuel to produce a second mixture. The combustion system can also include a combustion zone configured to combust the second mixture to produce a combustion product. In one or more embodiments, the first mixture can have a spatially varied ratio of oxygen-to-carbon dioxide configured to generate a hot zone in the combustion zone to increase flame stability in the combustion zone. | 05-31-2012 |
20120144837 | Low Emission Power Generation and Hydrocarbon Recovery Systems and Methods - Methods and systems for oxyfuel based low emission power generation in hydrocarbon recovery processes are provided. One system includes a plenum and is configured to encourage post-combustor conversion of gaseous components such that a desired chemical state is achieved. Another system includes a steam reformer for reforming a control fuel stream to generate a reformed control fuel stream characterized by an increase in hydrogen, as compared to the control fuel stream. | 06-14-2012 |
20130091853 | Stoichiometric Combustion With Exhaust Gas Recirculation and Direct Contact Cooler - Methods and systems for low emission power generation in hydrocarbon recovery processes are provided. One system includes a gas turbine system configured to stoichiometrically combust a compressed oxidant and a fuel in the presence of a compressed recycle exhaust gas and expand the discharge in an expander to generate a gaseous exhaust stream and drive a main compressor. A boost compressor can receive and increase the pressure of the gaseous exhaust stream and inject it into an evaporative cooling tower configured to use an exhaust nitrogen gas having a low relative humidity as an evaporative cooling media. The cooled gaseous exhaust stream is then compressed and recirculated through the system as a diluent to moderate the temperature of the stoichiometric combustion. | 04-18-2013 |
20130091854 | Stoichiometric Combustion of Enriched Air With Exhaust Gas Recirculation - Methods and systems for low emission power generation in hydrocarbon recovery processes are provided. One system includes a gas turbine system configured to stoichiometrically combust a compressed oxidant derived from enriched air and a fuel in the presence of a compressed recycle exhaust gas and expand the discharge in an expander to generate a recycle exhaust stream and drive a main compressor. A boost compressor receives and increases the pressure of the recycle exhaust stream and prior to being compressed in a compressor configured to generate the compressed recycle exhaust gas. To promote the stoichiometric combustion of the fuel and increase the CO | 04-18-2013 |
20130125554 | Systems and Methods For Exhaust Gas Extraction - The present techniques are directed to a combustor for a gas turbine. For example, an embodiment provides a spool piece for the combustor. The spool piece includes an oxidant injection port configured for injection of an oxidant proximate to a flame in the combustor and a recycle-gas extraction port configured for an extraction of a recycle gas from the combustor, wherein the recycle gas is isolated from the oxidant prior to the use of the oxidant in a flame. | 05-23-2013 |
20130125555 | Systems and Methods For Optimizing Stoichiometric Combustion - Provided are more efficient techniques for operating gas turbine systems. In one embodiment a gas turbine system comprises an oxidant system, a fuel system, a control system, and a number of combustors adapted to receive and combust an oxidant from the oxidant system and a fuel from the fuel system to produce an exhaust gas. The gas turbine system also includes a number of oxidant-flow adjustment devices, each of which are operatively associated with one of the combustors, wherein an oxidant-flow adjustment device is configured to independently regulate an oxidant flow rate into the associated combustor. An exhaust sensor is in communication with the control system. The exhaust sensor is adapted to measure at least one parameter of the exhaust gas, and the control system is configured to independently adjust each of the oxidant-flow adjustment devices based, at least in part, on the parameter measured by the exhaust sensor. | 05-23-2013 |
20130291567 | Regasification Plant - Methods and systems for regasifiing LNG are provided. A method for regasifying liquefied natural gas (LNG) includes providing heat to a LNG regasification process from a power plant. If the heat is not sufficient, additional heat can be provided to the LNG regasification process from a cooling tower operated in a warming tower configuration. | 11-07-2013 |
20130333391 | INTEGRATION OF PRESSURE SWING ADSORPTION WITH A POWER PLANT FOR CO2 CAPTURE/UTILIZATION AND N2 PRODUCTION - Systems and methods are provided for combined cycle power generation while reducing or mitigating emissions during power generation. Recycled exhaust gas from a power generation combustion reaction can be separated using a swing adsorption process so as to generate a high purity CO | 12-19-2013 |
20140000271 | Systems and Methods For Controlling Stoichiometric Combustion In Low Emission Turbine Systems | 01-02-2014 |
20140000273 | Low Emission Turbine Systems Incorporating Inlet Compressor Oxidant Control Apparatus And Methods Related Thereto | 01-02-2014 |
20140007590 | Systems and Methods For Carbon Dioxide Capture In Low Emission Turbine Systems - Systems, methods, and apparatus are provided for generating power in low emission turbine systems and capturing and recovering carbon dioxide from the exhaust. In one or more embodiments, the exhaust is cooled, compressed, and separated to yield a carbon dioxide-containing effluent stream and a nitrogen-containing product stream. | 01-09-2014 |
20140013766 | Systems and Methods For Carbon Dioxide Captrue and Power Generation In Low Emission Turbine Systems - Systems, methods, and apparatus are provided for generating power in low emission turbine systems and separating the exhaust into rich CO | 01-16-2014 |
20140020398 | Methods of Varying Low Emission Turbine Gas Recycle Circuits and Systems and Apparatus Related Thereto - Systems and methods are provided for varying the exhaust gas recycle circuit of low emission gas turbines. In one or more embodiments, the systems and methods incorporate alternatives to the use of a direct contact cooler. In the same or other embodiments, the systems and methods incorporate alternatives intended to reduce or eliminate the erosion or corrosion of compressor blades due to the presence of acidic water droplets in the recycled gas stream. | 01-23-2014 |
20140047818 | Low Emission Power Generation Systems and Methods Incorporating Carbon Dioxide Separation - Methods and systems for CO | 02-20-2014 |
20140083109 | Systems and Methods For Carbon Dioxide Capture In Low Emission Combined Turbine Systems - Systems, methods, and apparatus are provided for generating power in combined low emission turbine systems and capturing and recovering carbon dioxide from the exhaust. In one or more embodiments, the exhaust from multiple turbine systems is combined, cooled, compressed, and separated to yield a carbon dioxide-containing effluent stream and a nitrogen-containing product stream. Portions of the recycled exhaust streams and the product streams may be used as diluents to regulate combustion in each combustor of the turbine systems. | 03-27-2014 |
20140123620 | SYSTEM AND METHOD FOR OXIDANT COMPRESSION IN A STOICHIOMETRIC EXHAUST GAS RECIRCULATION GAS TURBINE SYSTEM - A system includes a gas turbine system having a turbine combustor, a turbine driven by combustion products from the turbine combustor, and an exhaust gas compressor driven by the turbine. The exhaust gas compressor is configured to compress and supply an exhaust gas to the turbine combustor. The gas turbine system also has an exhaust gas recirculation (EGR) system. The EGR system is configured to recirculate the exhaust gas along an exhaust recirculation path from the turbine to the exhaust gas compressor. The system further includes a main oxidant compression system having one or more oxidant compressors. The one or more oxidant compressors are separate from the exhaust gas compressor, and the one or more oxidant compressors are configured to supply all compressed oxidant utilized by the turbine combustor in generating the combustion products. | 05-08-2014 |
20140196464 | SYSTEM AND METHOD FOR PROTECTING COMPONENTS IN A GAS TURBINE ENGINE WITH EXHAUST GAS RECIRCULATION - A system includes a gas turbine engine that includes a turbine section having one or more turbine stages between an upstream end and a downstream end, an exhaust section disposed downstream from the downstream end of the turbine section, and a fluid supply system coupled to the exhaust section. The fluid supply system is configured to route an inert gas to the exhaust section. | 07-17-2014 |
20140250908 | Systems and Methods for Controlling Combustion of a Fuel - Systems and methods for controlling the composition of a combustion exhaust gas are provided. | 09-11-2014 |
20140318427 | Methods and Systems for Controlling the Products of Combustion - The present invention relates to methods and systems for controlling a combustion reaction and the products thereof. One embodiment includes a combustion control system having an oxygenation stream substantially comprising oxygen and CO | 10-30-2014 |
20140374109 | Enhanced Carbon Dioxide Capture in a Combined Cycle Plant - Methods and systems for enhanced carbon dioxide capture in a combined cycle plant are described. A method includes compressing a recycle exhaust gas from a gas turbine system, thereby producing a compressed recycle exhaust gas stream. A purge stream is extracted from the compressed recycle exhaust gas stream. Carbon dioxide is removed from the extracted purge stream using a solid sorbent. | 12-25-2014 |
20150033748 | SYSTEM AND METHOD FOR AN OXIDANT HEATING SYSTEM - A system includes an oxidant compressor and a gas turbine engine. The gas turbine engine includes a combustor section having a turbine combustor, a turbine driven by combustion products from the turbine combustor, and an exhaust gas compressor driven by the turbine. The exhaust gas compressor is configured to compress and route an exhaust flow to the turbine combustor and the oxidant compressor is configured to compress and route an oxidant flow to the turbine combustor. The gas turbine engine also includes an inlet oxidant heating system configured to route at least one of a first portion of the combustion products, or a second portion of the exhaust flow, or any combination thereof, to an inlet of the oxidant compressor. | 02-05-2015 |
20150059350 | SYSTEM AND METHOD OF RECIRCULATING EXHAUST GAS FOR USE IN A PLURALITY OF FLOW PATHS IN A GAS TURBINE ENGINE - A method includes generating an exhaust gas from combustion gases with a turbine; recirculating the exhaust gas along an exhaust recirculation flow path; reducing moisture within the exhaust gas along the exhaust recirculation path with an exhaust gas processing system; providing the exhaust gas to a first exhaust gas inlet of an exhaust gas compressor for compression; and providing the exhaust gas from the exhaust recirculation path to a second exhaust gas inlet separate from the first exhaust gas inlet for cooling, preheating, sealing, or any combination thereof. | 03-05-2015 |