3858results about "Geothermal energy generation" patented technology

Disclosed is a method and system for providing reporting and billing information in an installed energy roadway system tied in with a geothermal infrastructure. Newer alternative energy gathering systems will need state of the art reporting systems to generate accurate accounting, power distribution, efficiency, maintenance, billing and third party royalty information. The invention method provides at least one pump of a geothermal infrastructure. The at least one pump is electrically connected to a roadway system electricity grid. The invention method further tracks an amount of energy consumed by the least one pump and charging a consumer the amount of energy consumed by the at least one pump.

There has been invented a method for producing geothermal energy using supercritical fluids for creation of the underground reservoir, production of the geothermal energy, and for heat transport. Underground reservoirs are created by pumping a supercritical fluid such as carbon dioxide into a formation to fracture the rock. Once the reservoir is formed, the same supercritical fluid is allowed to heat up and expand, then is pumped out of the reservoir to transfer the heat to a surface power generating plant or other application.

A sealed well direct expansion geothermal heat exchange unit, whose sealed well can be placed in ground and / or in water, consisting of a conventional direct expansion, or other heat pump, system wherein the exterior refrigerant heat exchange lines are placed within an insulated and sealed container, which container is supplied with a circulating heat conductive liquid from and to a sub-surface sealed well encasement, which container liquid may be supplemented with heat from a solar heating system, and which unit's hot refrigerant vapor line may be supplementary cooled by means of condensate water evaporative cooling, as well as a means to provide any direct expansion, and any closed-loop water-source, geothermal heat pump system with an optional solar heating supplement in the heating mode, and with an optional water-cooled vapor line supplement in the cooling mode.

In a system where the thermal energy of a geothermal fluid is applied to an ORC system, the energy is enhanced by the use of solar energy to thereby increase the temperature of the fluid being applied by the ORC system. A single heat exchanger version provides for direct heat exchange relationship with the geothermal and solar fluids, whereas a two heat exchanger version provides for each of the geothermal and solar fluids to be in heat exchange relationship with the working medium of the ORC system. Control features are provided to selectively balance the various fluid flows in the system.

The invention provides compositions for use in thermal energy storage systems, including thermal energy storage mediums, fluid channeling devices and thermally conductive heat transfer elements, and methods for storing thermal energy. A thermal energy storage system is provided, comprising: (a) a granular thermal energy storage medium comprising at least a first size class and a second size class; wherein the individual granules of each size class deviate from the average granular size for that size class by no more than about ±50%; wherein first size class is the largest size class; wherein the ratio of the average size of the first size class to the average size of the second size class is at least about 2:1; and (b) one or more conduits disposed within the medium, and arranged to receive a source of thermal energy.

A system is disclosed for generating energy from a geothermal heat source. The system includes a fluid injection system configured for injecting fluid into a subterranean formation and a fluid extraction system configured for extracting fluid from the subterranean formation after being heated by the formation. The system further includes a heat transformer configured to receive a first fluid heated by the geothermal heat source at a first temperature and adapted to heat a second fluid to a second temperature via a series of chemical reactions. Furthermore, the system includes an energy generation unit configured to receive heated the second fluid at the second temperature from the heat transformer to increase the temperature of a third fluid which is used to generate energy.

An apparatus and a method is disclosed for storage of solar energy in a subsurface geologic reservoir. The method includes transferring concentrated solar thermal energy to a fluid, thereby generating a supercritical fluid. The supercritical fluid is then injected into the subsurface geologic reservoir through at least one injection well. The subsurface geologic reservoir may be a highly permeable and porous sedimentary strata, a depleted hydrocarbon field, a depleting hydrocarbon field, a depleted oil field, a depleting oil field, a depleted gas field, or a depleting gas field. Once charged with the supercritical fluid, the subsurface geologic formation forms a synthetic geothermal reservoir.

An earth wellbore heat loop system has been developed which has, in certain aspects, a heat loop wellbore in the earth extending from an earth surface down into the earth to a bottom of the wellbore, a heat loop disposed in the heat loop wellbore and extending down to a position near the bottom thereof, the heat loop including a heat loop comprising pipe and a bottom member, the pipe extending down to the bottom member on one side thereof and up from the bottom member on another side thereof, the bottom member comprising a body, a first bore through the body extending from a first opening of the body to a second opening of the body, the first opening and the second opening each sized and configured for receipt therein of an end of a heat loop pipe, a second bore having at least a one opening on the body, the second bore sized and configured for securement thereat of an end of coil tubing. Filler material has been developed for use in a heat loop wellbore that has, in certain aspects an amount of water, and an amount of a gel material, such as a polymer. An amount of thermally conductive solids may be used with the polymer and the water.

System and methods for creating shaped, non-circular boreholes in rocks especially for use with geothermal heat pump applications and for increasing wellbore support in applications such as horizontal oil and gas drilling are described. The systems and methods when applied to geothermal heat pumps create an elliptical shaped hole that is optimized for placing heat transfer tubes with a minimum of grout used. The significantly reduced cross-sectional area of the elliptical borehole also increases the overall drilling rate in rock and especially in hard rocks. In horizontal hard-rock drilling, creation of a horizontal non-circular borehole or modification of a circular borehole to a non-circular geometry is used to stabilize the borehole prior to casing insertion, and may also allow the use of lower mud pressures improving drilling rates. The system uses a non-contacting drilling system which in one embodiment uses a supersonic flame jet drilling system with a movable nozzle that swings between pivot points. In a second embodiment the elliptical shaped hole is created by an abrasive fluid or particle bearing-fluid or air jet drill that moves between pivot points. In another embodiment a non-contacting drill can use dual parallel nutating nozzles that create a pair of overlapping circular holes. The non-circular shaped hole is created by either the high temperature flame or water-particle jet or chemically active fluid jet as it removes rock material by erosion, dissolution and or thermal spalling. Modifications of circular boreholes to a generally elliptical shape can also be done using milling or jetting techniques.

An earth energy loop transfer system with a moving energy transfer fluid, the system for transferring energy for an entity, the system having means for measuring an amount of energy transferred for the entity to or from the moving energy transfer fluid, and means for invoicing the entity for the amount of energy transferred. The system including means for calculating a price for the amount of energy transferred, said invoicing based on said price. The system including means for transmitting a signal indicative of a measured amount of energy transferred from the means for measuring to the means for invoicing. Methods are disclosed for using such systems to measure and calculate an amount of energy transferred and / or to invoice an entity for the transferred energy.

In this disclosure, we have the following examples and teachings: A geothermal heating and or cooling system is introduced here which is deriving cooled or heated liquid via existing infrastructure of water pipe system in use for the houses and buildings, e.g. from the city water system or pipe network, or from the well water (or lake or river or sea or ocean or the like), piped or channeled to the buildings, through pipes or conduits or channels or closed enclosures. The system derives cooled liquid from existing underground infrastructure, including or for example, below-ground water pipes. The system gains a temperature advantage from the geothermal ground temperature, which remains roughly constant throughout the year in most regions. The system uses (e.g.) a storage tank to contain a working fluid and store thermal energy. In one example, multiple chambers and / or tanks are used for water heaters or coolers, with different connection and flow mechanisms. Other examples and designs are also discussed and shown here.

A membrane supported biofilm reactor uses modules having fine, hollow fibres, for example, made from dense wall Poly methylpentene (PMP) used in tows or formed into a fabric. In one module, one or more sheets of the fabric are potted into a module to enable oxygen containing gas to be supplied to the lumens of the hollow fibres. Various reactors and processes, for example to treat wastewater, using such modules are described. Mechanical, chemical and biological methods are used to control the thickness of the biofilm.

System and methods for creating shaped, non-circular boreholes in rocks especially for use with geothermal heat pump applications and for increasing wellbore support in applications such as horizontal oil and gas drilling are described. The systems and methods when applied to geothermal heat pumps create an elliptical shaped hole that is optimized for placing heat transfer tubes with a minimum of grout used. The significantly reduced cross-sectional area of the elliptical borehole also increases the overall drilling rate in rock and especially in hard rocks. In horizontal hard-rock drilling, creation of a horizontal non-circular borehole or modification of a circular borehole to a non-circular geometry is used to stabilize the borehole prior to casing insertion, and may also allow the use of lower mud pressures improving drilling rates. The system uses a non-contacting drilling system which in one embodiment uses a supersonic flame jet drilling system with a movable nozzle that swings between pivot points. In a second embodiment the elliptical shaped hole is created by an abrasive fluid or particle bearing-fluid or air jet drill that moves between pivot points. In another embodiment a non-contacting drill can use dual parallel nutating nozzles that create a pair of overlapping circular holes. The non-circular shaped hole is created by either the high temperature flame or water-particle jet or chemically active fluid jet as it removes rock material by erosion, dissolution and or thermal spalling. Modifications of circular boreholes to a generally elliptical shape can also be done using milling or jetting techniques.

A composite particle that incorporates a material and is designed to undergo a reaction and / or mechanical or chemical change with the environment to increase in volume. The composite particle can be combined with a constraining matrix to create an expandable particle upon reaction. These particles can be used in stimulating wells, including oil and gas reservoirs.

A directional geothermal energy system and method helps to increase control in paths to be taken by geo-fluid flow through hot rock to create engineered geothermal reservoirs and networks to mine heat from hot rock resources. The system uses directional drilling techniques to create a spanning borehole extending between an injection borehole and a production borehole. The spanning borehole typically extends through hot rock for a distance on the order of kilometers to allow the geo-fluid flowing through the spanning borehole adequate transit time and surface contact to obtain sufficient heat given a certain flow rate for the geo-fluid. In some implementations, multiple injection boreholes can supply geo-fluid to a single production borehole. Individual geo-fluid networks can be so sized, shaped, and located with respect to one another to form a collection of geo-fluid networks to mine heat from very large hot rock resources.

A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of ground-based hybrid solar-wind energy generating devices, one or more roads, and a roadway system electricity grid. The energy generating devices are connected to the roadway system electricity grid and substantially all of the ground-based hybrid solar-wind energy generating devices are positioned on part of one of the roads or near to one or more of the roads to thereby allow energy generation from wind created from passing vehicles in addition to energy generation from atmospheric wind.

The present invention relates to systems and methods of intelligently extracting heat from geothermal reservoirs. One geothermal well system includes at least one injection well extending to a subterranean formation and configured to inject a working fluid into the subterranean formation to generate a heated working fluid. At least one production well extends to the subterranean formation and produces the heated working fluid from the subterranean formation. A production zone defines a plurality of production sub-zones within the subterranean formation and provides fluid communication between the at least one injection well and the at least one production well. Each production sub-zone is selectively accessed in order to extract heated working fluid therefrom and thereby provide a steady supply of heated working fluid to the surface.

A building air conditioning system using geothermal energy comprising an underground pipe being buried underground for transmitting geothermal energy from the underground to air from the outdoors and for controlling humidity of said air and cleaning said air, a cobble stone layer constituted by filling numerous cobble stones in a space under the floor of a building for introducing air from said underground pipe to heat-exchange this introduced air with geothermal energy stored therein and to control humidity of said air and to clean said air, and air supply means for supply air from said cobble stone layer to an inside of a room of the building.

Invented is a method of making combustion air for a fossil fuel burner, as a coal burning power plant, oil refinery or gas fired household appliance. Combustion air is made from solar, wind, biomass, hydropower or geothermal. A staged progression using lower cost greenhouses, or flatplates, or solarponds, feed warm air to higher cost concentrator solar collectors. Wind energy, biomass, geothermal energy heat and compress combustion air. Hydropower also heats and compresses combustion air. Solar evaporation from salt or impure water creates water or local rain for the hydropower system. Combustion air thus is made economically hot, compressed and high velocity, and placed into a heavily insulated pipes for long distance transmission to a distant power plant.

A sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation, such as a subterranean formation containing a hydrocarbon based fluid. The sensor arrangement may be used to measure one or more physical parameters, such as temperature and / or pressure, at a multiplicity of locations in the subterranean reservoir. The sensor arrangement may comprise a sensor array comprising an elongated outer casing for insertion in the subterranean formation and into a fluid in the subterranean formation. The sensor array may comprise an optical fiber defining an optical path that links one or more temperature sensors and one or more pressure sensors and transports measurement data generated by the temperature and pressure sensors. A data processing system may be connected to the sensor array to receive measurements from the sensor array and to compute one or more values of a property of an extraction installation operating on the subterranean formation.

A method and system for drilling creating a wellbore which, in at least certain aspects, includes positioning a drilling apparatus at a desired location at the earth surface, the drilling apparatus having rotating and hammering apparatus for simultaneously rotating and hammering a dual tubular string into the earth, the dual tubular string with an outer casing string spaced apart by an annular space from an inner drill pipe string, both the outer casing and inner drill pipe string being hollow, a drill bit secured to a lowermost end of the inner drill pipe string and, optionally, a casing drill apparatus secured at a lowermost end of the casing string, drilling through the earth to form the wellbore by simultaneously rotating and hammering the dual tubular string with the drilling apparatus; and, in certain aspects, installing a geothermal heat loop and grouting the space around it.

Apparatus and methods for recovering and using geothermal energy. Such methods include at least partially vaporizing a working fluid by passing it through a flow loop that at least partially extends into a heated subterranean zone and employing the vaporized working fluid to power a turbine. At least a portion of the flow loop can comprise a depleted or partially depleted hydrocarbon well.

A heat exchanger and a method for fabricating the heat exchanger are disclosed. The heat exchanger comprises a heat exchanger core that is formed from a plurality of stacked aluminum panels that are joined together via friction stir welding. Each panel in the core is formed from at least two aluminum extrusions that are joined to one another via friction stir welding.

A system for generating electrical energy using a naturally occurring temperature difference is disclosed. The system provides electrical energy by thermally conduit a geothermal heat source and cold deep-level water to opposing sides of a thermoelectric element. The thermoelectric element generates electrical energy based on the temperature difference between these two surfaces.

The invention discloses a pile-embedding spiral pipe typed ground source heat pump system and a heat transmission model of a geothermal heat exchanger thereof. A solid cylindrical surface heat source model is put forward for the first time and two analytic solution expressions of the heat transmission model is worked out by the Green function method. The system can sufficiently utilizes the underground area of a building, saves a great amount of expenses for boring and pipe embedding, reduces the initial investment of the ground source heat pump system, improves the construction efficiency and has convenient and quick construction. Furthermore, the heat transmission model of the pile-embedding spiral pipe geothermal heat exchanger can quantitatively analyze the effects of all parameters of the pile-embedding spiral pipe geothermal heat exchanger on the heat transmission capability and provides a basis for the engineering design. The structure of the pile-embedding spiral pipe typed ground source heat pump system comprises the geothermal heat exchanger which is connected with an air conditioning heat pump system by pipelines; the air conditioning heat pump system is connected with a conveying and end system in the building; the geothermal heat exchangers have the quantity of more than one; and each geothermal heat exchanger forms the pile-embedding spiral pipe-typed geothermal heat exchanger by building pile foundations and spiral pipes which are embedded in the pipe foundations.

A geothermal exchange system is couplable to a ground coil formed from a thermal superconductor material, and transfers heat using a refrigerant loop. The device includes a compressor, a reversible refrigerant loop with two heat exchangers, one of which couplable to a thermal superconductor ground loop. The device uses a high thermal transfer superconductor to efficiently move heat to and from the earth source for the purpose of heating and cooling. The device operates in cooling or heating modes by controlling the thermal switches and activating the heat intensification circuit in response to the difference between a set point and a measured temperature. Alternatively, the system can be configured for heating only or cooling only modes, by operating the refrigerant loop in one direction.

The present disclosure generally relates to a combined multi-coupler for a top drive. In one embodiment, a combined multi-coupler including a first tubular member having a first axial load profile, a first torque profile, and a first junction member, and a second tubular member having a second axial load profile, a second torque profile, and a second junction member. The engagement of the first tubular member to the second tubular member forms connections between the first and second axial load profiles, the first and second torque profiles, and the first and second junction members.

The present invention relates to a geothermal water heater system, and methods of heating water for domestic uses utilizing geothermal energy. More specifically, the present invention provides a geothermal heat pump water heater system includes a hot water tank, a cold water tank and at least one water-to-water heat pump. As contemplated, the water-to-water heat pump includes one or more heat exchangers which control heat transfer from water drawn from an outside water source. The outside water source water is supplied to both the hot water tank and the cold water tanks whereupon heat exchangers which comprise a cold water side heat exchanger and a hot water side heat exchanger, allow water entering the cold water tank to be cooled and returned to the cold water tank while water entering the hot water tank is heated and returned to the hot water tank.

Creating a large fleet of vehicles, which gather wind energy and generate wind generated energy, such as electricity, is impeded by the cost to an individual vehicle owner. Accordingly, a system and corresponding method to gather wind energy and deposit stored wind generated energy for system credit is provided. The present invention includes a vehicle-based wind energy gathering device to gather wind energy and generate wind generated energy, a vehicle-based energy storage system, electrically coupled to the wind energy gathering device, to store wind generated energy, and means for depositing the stored wind generated energy for system credit. As such, individual vehicle owners have an incentive to participate in gathering wind energy and depositing wind generated energy, such as electricity. By taking advantage of potentially millions of participants and participating vehicles, the present invention creates a format for generating energy from multiple forms of wind energy on a wide-scale.

A system and method for liquid-liquid free-cooling that may include a modular coolant distribution unit (CDU) is provided. CDUs can incorporate integral free-cooling or bolt on free-cooling switch modules. The free-cooling flow can be either direct or indirect. Units can interface with each other to provide scalable cooling for computer data centers. Embodiments of the system can integrate with electronics rack passive rear door liquid heat exchangers.