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| Number | Title | Issue Date |
| 7451605 | LNG receiving terminal that primarily uses compensated salt cavern storage and method of use In the past, “compensated” salt caverns have operated with a compensating liquid, such as brine to displace a stored liquid, such as crude oil, when the stored liquid is needed on the surface. Virtually all of the stored liquid in a compensated salt cavern can b... | 11/18/2008 |
| 7347059 | Coaxial-flow heat transfer system employing a coaxial-flow heat transfer structure having a helically-arranged fin structure disposed along an outer flow channel for constantly rotating an aqueous-based heat transfer fluid flowing therewithin so as to improve heat transfer with geological environments A coaxial-flow heat transfer system for installation in a geological environment and facilitating the transfer of heat energy between an external heat energy producing system and the geological environment. In the coaxial-flow heat transfer system, aqueous-based hea... | 03/25/2008 |
| 7322387 | Reception, processing, handling and distribution of hydrocarbons and other fluids An integrated energy hub facility capable of bringing together all aspects of hydrocarbon and other fluid product movement under controlled conditions applicable to the reception, storage, processing, collection and transmission downstream is provided. Input to the ... | 01/29/2008 |
| 7293600 | Apparatus for the regasification of LNG onboard a carrier An LNG carrier for transporting LNG from one location to another that includes a vaporizer on board said LNG carrier for vaporizing the LNG to a gaseous state, one or more heat exchangers at least partially submerged in seawater, an intermediate fluid circulating be... | 11/13/2007 |
| 7234523 | Hydraulic friction fluid heater and method of using same A method and apparatus for heating a portion of a subsea structure is provided. The method includes pumping a fluid through a length of tubing such that the temperature of the fluid increases. The temperature increase of the fluid is created by friction in the tubin... | 06/26/2007 |
| 7151465 | Method and apparatus for transmitting information between a salt-cavern and the surface of the ground A method of transmitting information between a salt-cavern and the surface of the ground, the cavern being drilled in geological formation beds and being connected to the surface via an access borehole cased at least in part by metal tubes and presenting at least on... | 12/19/2006 |
| 7118307 | Cooling water intake system A cooling water intake system is configured to minimize entrainment, impingement and thermal plumes associated with the operation of onshore industrial facilities, such as a power plant, and includes a delivery system guiding ground waters from under the sand bottom... | 10/10/2006 |
| 7036325 | Dual gas facility The Dual Gas Facility stores natural gas in one or more man-made salt caverns typically located in a single salt dome or in bedded salt. The Dual Gas Facility can access different sources of natural gas. A first gas source is from a natural gas pipeline(s) and a sec... | 05/02/2006 |
| 7036596 | Hydraulic friction fluid heater and method of using same A method and apparatus for heating a portion of a subsea structure is provided. The method includes pumping a fluid through a length of tubing such that the temperature of the fluid increases. The temperature increase of the fluid is created by friction in the tubin... | 05/02/2006 |
| 6997643 | LNG tanker offloading in shallow water A system for offloading LNG (liquified natural gas) from a tanker (26) in shallow waters, for regasing, or heating the offloaded LNG to produce gaseous hydrocarbons, or gas, for pressurizing the gas, and for flowing the gas to an onshore station (56), ... | 02/14/2006 |
| 6994104 | Modular system for storing gas cylinders The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the range of the optimum compressibility factor for a given compositi... | 02/07/2006 |
| 6979147 | Enhanced LNG tanker offloading in shallow waters A system for offloading LNG (liquified natural gas) from a tanker (26) in shallow waters, for regasing, or heating the offloaded LNG to produce gaseous hydrocarbons, or gas, for pressurizing the gas, and for flowing the gas to an onshore station (56), ... | 12/27/2005 |
| 6945055 | Dual gas facility The Dual Gas Facility stores natural gas in one or more man-made salt caverns typically located in a single salt dome or in bedded salt. The Dual Gas Facility can access different sources of natural gas. A first gas source is from a natural gas pipeline(s) and a sec... | 09/20/2005 |
| 6932121 | Method for offloading and storage of liquefied compressed natural gas A method for offloading and storage of liquefied compressed natural gas into a salt dome by using inserting displacement gas with a pressure greater than a pressure of the liquefied compressed natural gas and a temperature of from about 80 degrees Fahrenheit to abou... | 08/23/2005 |
| 6908507 | Process and a plant for the production of Portland cement clinker A process is disclosed for producing cement clinker, comprising the steps of: a) providing a mixture of ground calcareous materials and ground argillaceous materials; b) heating the mixture of step a) to a temperature sufficient to calcine and fuse the ground materi... | 06/21/2005 |
| 6880348 | Method and apparatus for warming and storage of cold fluids Stranded natural gas is sometimes liquefied and sent to other countries that can use the gas in a transport ship. Conventional receiving terminals use large cryogenic storage tanks to hold the liquefied natural gas (LNG) after it has been offloaded from the ship. Th... | 04/19/2005 |
| 6848502 | Method and apparatus for warming and storage of cold fluids Stranded natural gas is sometimes liquefied and sent to other countries that can use the gas in a transport ship. Conventional receiving terminals use large cryogenic storage tanks to hold the liquefied natural gas (LNG) after it has been offloaded from the ship. Th... | 02/01/2005 |
| 6826911 | Storage of energy producing fluids and process thereof A fluid storage facility includes an arrangement for transferring liquefied propane or butane from a supply source of a pipeline or at least one delivery vehicle to at least one pumping station via at least one weighing station, the pumping station transferring the ... | 12/07/2004 |
| 6813893 | Flexible natural gas storage facility The Flexible Natural Gas Storage Facility stores natural gas in one or more man-made salt caverns typically located in a single salt dome or in bedded salt. The Flexible Natural Gas Storage Facility can access different sources of natural gas. A first gas source is ... | 11/09/2004 |
| 6739140 | Method and apparatus for warming and storage of cold fluids Stranded natural gas is sometimes liquefied and sent to other countries that can use the gas in a transport ship. Conventional receiving terminals use large cryogenic storage tanks to hold the liquefied natural gas (LNG) after it has been offloaded from the ship. Th... | 05/25/2004 |
| 6598407 | Method and apparatus for efficient injection of CO2 in oceans A liquid CO2 injection system produces a negatively buoyant consolidated stream of liquid CO2, CO2 hydrate, and water that sinks upon release at ocean depths in the range of 700-1500 m. In this approach, seawater at a pred... | 07/29/2003 |
| 6516616 | Storage of energy producing fluids and process thereof Large volumes of energy in the forms of gaseous fuels, such as, liquefied natural gas, compressed natural gas, compressed air, or liquid fuels, such as, propane, butane, are stored within an abandoned railroad, highway or aqueduct tunnel or similar such s... | 02/11/2003 |
| 6517286 | Method for handling liquified natural gas (LNG) A system for handling liquified natural gas (LNG) wherein (a) the LNG is delivered into a subterranean formation such that the LNG absorbs heat energy from the subterranean formation and is thereby converted to a gas product and (b) the gas is then produc... | 02/11/2003 |
| 6434948 | LNG load transfer system This invention concerns a unitary system for export of liquid natural gas (LNG) from a floating production vessel (FPSO vessel) (1), with the new and inventive consists of the combination of the following points: an LNG buffer tank in the FPSO vessel, wit... | 08/20/2002 |
| 6374844 | Method in operating a cavern for gas The invention relates to a method in operating a lined cavern provided for the storage of gas coming from a pipeline. During filling of the cavern with gas to a nominal pressure, at least a portion of the gas is withdrawn from the cavern and recirculated ... | 04/23/2002 |
| 6298671 | Method for producing, transporting, offloading, storing and distributing natural gas to a marketplace A method for efficiently producing, transporting, offloading, storing and distributing a natural gas to a marketplace. The method comprising producing the natural gas from a first subterranean formation, liquefying the natural gas to produce a liquefied n... | 10/09/2001 |
| 6286320 | Bottom entry pumping system with tertiary containment A bottom entry pumping system for liquids, particularly cryogenic liquids, is described which includes a container with an outer wall, which may be concrete and/or metal, and an optional inner metal liner. A line is provided for transporting liquid from a... | 09/11/2001 |
| 6012292 | System and method for transferring cryogenic fluids A system and a method for transferring cryogenic fluids; e.g. transferring liquefied natural gas (LNG) between an offshore receiving/loading station and an onshore facility. The flowline system which can be submerged in water is comprised of a main transf... | 01/11/2000 |
| 5964093 | Gas hydrate storage reservoir A gas hydrate storage reservoir includes at least one insulated wall defining an opening and a sunlight permeable top covering the opening. A gas-tight, gas hydrate storage cavity is defined within the top and the wall(s). A cover element is provided to c... | 10/12/1999 |
| 5820300 | CO2 sea bottom throw-away system A CO2 deep sea throw-away system includes a floating offshore base (2), receiving liquefied CO2 carried by a liquefied CO2 carrier (1). The base has a throwing pipe (3) and a throwing pipe outlet (4) to deliver the liquifi... | 10/13/1998 |
| 5778679 | Method and apparatus for increasing acceptance and adjusting the rate of pressure variations within a prespecified range in precharged fluid storage systems Methods and apparatus for (a) increasing expansion tank "acceptance" (defined herein as working fluid storage capacity); and (b) adjusting the rate of pressure variations within a prespecified range in precharged fluid storage systems (for example, holdin... | 07/14/1998 |
| 5562891 | Method for the production of carbon dioxide hydrates A method is provided for producing CO2 hydrates. In the subject method, CO2 is first dissolved in water to produce a CO2 hydrate precursor. The CO2 hydrate precursor is then mixed with CO2 gas, result... | 10/08/1996 |
| 5544491 | Abyssal casting apparatus for liquefied carbonated gas A liquefied carbonated gas abyssal casting apparatus prevents freezing at an outlet of a casting tube and flotation of cast carbonated gas. The liquefied carbonated gas is fed from a reservoir to a single casting tube and discharged to the abyss through a... | 08/13/1996 |
| 5405595 | Process for the disposal of carbon dioxide A process for the disposal of carbon dioxide in deep sea, which comprises compressing and dehumidifying gaseous carbon dioxide to be disposed of, passing the so compressed carbon dioxide gas through a cold sea water region where a temperature condition en... | 04/11/1995 |
| 5364611 | Method for the fixation of carbon dioxide Disclosed are a method for the fixation of carbon dioxide which is characterized by the steps of bringing carbon dioxide and seawater or fresh water into contact with each other at a temperature and a pressure required for the formation of carbon dioxide ... | 11/15/1994 |
| 5333465 | Underground storage system for natural gas An underground storage system for storing natural gas at a vehicular fueling center which dispenses natural gas to natural gas powered vehicles. Compressed gas is stored in tubes positioned vertically in an elongate casing. The ground hole may be drilled ... | 08/02/1994 |
| 5293751 | Method and system for throwing carbon dioxide into the deep sea Carbon dioxide gas collected from combustion exhaust gas or the like is transported in a liquefied gas state on the sea by means of ships up to a marine float installation provided with a throw-in pipe reaching to the deep sea, and then the liquefied carb... | 03/15/1994 |
| 5007244 | Disaster prevention system and construction for an underground space A disaster prevention system for underground spaces has a compressed air supply system and an independent power generator installed in an underground space. In the event of a disaster, the compressed air supply system discharges compressed air into an und... | 04/16/1991 |
| 4920754 | System for dumping cryogens in a superconducting solenoid installation In an installation including a superconducting solenoid coil in the form of an annulus having a vertical axis, a first vessel having an annular form and enclosing the coil for containing a primary cryogen at a temperature sufficient to maintain the coil s... | 05/01/1990 |
| 4542626 | Method and apparatus for underground storage of ammonia and analogous products When a product such as ammonia, which is liquefiable under pressure and which is miscible with water is stored underground the storage takes place at the liquefaction pressure of the product and inside a double skin which defines an intermediate space (10... | 09/24/1985 |
