Abstract: A multi-source ground-to-air heat transfer system is configured to store thermal energy during a cooling/dehumidifcation mode of operation for future use during a heating mode of operation. The multi-source ground-to-air heat transfer system utilizes a ground loop that is configured under an enclosure, such as a greenhouse, and is in thermal communication with a thermal reservoir medium to conduct and store heat. A thermal exchange fluid is pumped through the ground loop and ground heat exchanger and may receive heat from a condenser during a cooling/dehumidification mode of operation and may liberate heat to the evaporator during a heating mode. The enclosure air may receive heat from the heat pump during a heating mode and may liberate heat to the evaporator during a cooling/dehumidification mode. The heat exchange system may employ a heat pump having a reversing valve to change the mode of operation.

Abstract: Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for using a hot sedimentary aquifer (HSA) in geothermal energy generation applications. An example embodiment operates by pumping, via multiple extraction wells, heated water from one or more extraction depths of an HSA. The HSA is identified based on a permeability satisfying a threshold permeability range. The example embodiment further operates by extracting, via a power generation unit, heat from the heated water to generate power and transform the heated water into cooled water. Subsequently, the example embodiment operates by injecting, via multiple injection wells, the cooled water at one or more injection depths of the HSA.

Abstract: A system comprising a main circuit for routing a flow of heat transfer liquid out of a thermal storage to at least one outer heat exchanger and back to the thermal storage again, a main circulation pump configured to force the heat transfer liquid through the main circuit, a temperature sensor configured to measure the temperature of the heat transfer liquid, and a controller configured to control the main circulation pump based on temperature readings of the temperature sensor such that a calculated Reynolds number for the flow of heat transfer liquid is constant at a predetermined target Reynolds number over at least a primary temperature range.

Abstract: An apparatus including an assembly associated with a downhole tool configured to thermally isolate a thermally sensitive component. Components of the assembly include an external isolating vessel; a passive thermal barrier encased in the external isolating vessel; at least one electronic component housed within the downhole tool for monitoring geothermal well properties; and at least one thermally sensitive electronics carrier package positioned within the passive thermal barrier comprising thermally sensitive electronic components. The passive thermal barrier ideally comprises an additively manufactured layered labyrinthine shell structure, a plurality of polarly phased centralizers between shell layers and minimal centralizing contact points on its exterior shell, to minimize known heat transfer modes associated with the external isolating vessel.

Abstract: System, method, and apparatus for harnessing geothermal power from superhot geothermal fluid (SHGF) and magma reservoirs. An exemplary system includes a steam separator connected directly to a cased wellbore extending between a surface and the underground reservoir of magma. The steam separator separates a gas-phase fluid from condensate formed from the gas-phase fluid. The system also includes a first set of turbines connected to the steam separator and a condensate tank fluidically connected to the steam separator and the first set of turbines. The first set of turbines is configured to generate electricity from the gas-phase fluid received from the steam separator and the condensate tank is fluidically connected to a fluid conduit that supplies condensate to a terminal end of the cased wellbore.

Abstract: Methods for storing carbon dioxide in a subsurface formation include identifying a plurality of negative geologic closures in the subsurface formation. The dimensions of the plurality of negative geologic closures are characterized. Layers of subsurface formation in the vicinity the negative geologic closures are characterized. One of the negative geologic closures is selected for bottom-up storage of carbon dioxide based on the characterized dimensions and layers.

Abstract: A cooling system for cooling electronic equipment is disclosed herein. The cooling system includes geothermal wells including internal pumps. A cold plate thermal exchanger is in fluid communication with the geothermal wells. A fluid circuit is configured to direct cooling fluid from the geothermal wells to enclosures housing the electronic equipment. The system disclosed herein is environmentally responsible and utilizes renewable sources of energy. The system disclosed herein takes advantage of subterranean thermal recharging of cooling fluid, and is also configured to direct cooled fluid back into geothermal wells under certain conditions.

Abstract: A geothermal system including a multitube vertically-sealed underground heat-exchanger includes: a geothermal well formed by vertically excavating a foundation; a heat pump which is arranged in the foundation, and which includes a circulating pump; and a connection tube, an auxiliary facility, and a multitube vertically-sealed underground heat-exchanger which are buried and installed in the geothermal well, and which are connected to the heat pump such that a thermal fluid thermally restored in the geothermal well is supplied to the heat pump through the circulating pump, and the thermal fluid that has undergone heat exchange in the heat pump is recovered back to the geothermal well and thermally restored therein.

Abstract: Systems and processes for dry hot rock drilling operations using sCO2 expanded across one or more downhole J-T valves or chokes to cool MWD components. Methods of modeling same.

Abstract: An irrigation system having a reservoir with self-sealing openings is provided. The reservoir comprises a body having an outer surface and a cavity for storing fluid. The reservoir also includes a plurality of self-sealing openings on the outer surface and configured to move between a first configuration in which the self-sealing openings are closed and a second configuration in which the self-sealing openings are open and permit fluid to release from the cavity to a target zone. The self-sealing openings are in the first configuration when a fluid pressure in the reservoir is at least one of zero pressure or negative pressure and the self-sealing openings are in the second configuration when the fluid pressure in the reservoir is a positive pressure relative to an external pressure.

Abstract: An air conditioning and heat pump system includes an outdoor main unit and an indoor heat distribution system. The main outdoor unit includes a compressor, a refrigerant storage tank, a switching valve, a first outdoor heat exchanger and a cooling tower. The indoor heat distribution system includes at least one indoor heat exchanger, and a ventilating device. The ventilating device includes a supporting frame, a ventilating heat exchanging unit and an energy efficient heat exchanger supported in the supporting frame at a position between an air intake opening and the ventilating heat exchanging unit such that the ambient air from the air intake opening is arranged to pass through the energy efficient heat exchanger before passing through the ventilating heat exchanging unit. Refrigerant circulating between the main outdoor unit and the indoor heat distribution system may be cooled by cooling water and ambient air.

Abstract: A helical pile including a heat exchanger is described. The pile is formed from a lead section and one or more extension sections. The interior of the lead and extension sections are hollow and form a heat exchanger cavity. At the lower end of the lead section is a helical blade. Rotation of the lead section causes the helical blade to screw into the ground, thus pulling the lead section downward. Extension sections are added to the lead section and the pile is rotated until it is installed to a desired depth. The pile includes an inflow tube extending a predetermined distance into the heat exchanger cavity and an outflow port connected with the heat exchanger cavity. In operation, a heat carrying fluid is pumped into the inflow tube from a heat source or sink, for example, a heat pump for a building heating and cooling system. The fluid exits the tube at a point near the bottom of the heat exchanger cavity. The fluid flows upward through the heat exchange cavity and exchanges heat with the surrounding soil.

Abstract: A structure comprises at least one outer wall having an internal wall section and an outer wall section with an air flow passage therebetween. A circulation system circulates air through the flow passage to inhibit moisture accumulation and mold growth. A sensing system determines the presence of moisture in the flow passage and generates a signal in response thereto. A controller receives the signal from the sensing system and controls the circulation system to maintain a predetermined temperature and relative humidity in the flow passage.

Abstract: This application discloses an advanced design method for customized RCP, (cRCP), with one or more made-to-order reinforcement cages supporting one or more wall-encapsulated heat-exchange channels, cast with special-batch (SB) concrete having additions of fine-disperse CaCO3 and particular polymer fibers; the resulting Single- and DoubleEPipe sections especially adapted for heat exchange with pipe-internal wastestreams and/or groundwater and including provisions for an optional graywater accumulator for efficient recapture of both water and energy.

Abstract: A system and method of harvesting geothermal energy in a subterranean formation includes providing an injection wellbore that extends into the subterranean formation, positioning a plurality of selectively opening sleeves in the injection wellbore spaced apart the subterranean formation, providing at least one producing wellbore that extends into the subterranean formation in a predetermined location proximate to the injection wellbore, and fracturing the subterranean formation in a plurality of locations proximate to the plurality of selectively opening sleeves to enhance a fluid pathway between the injection wellbore and the at least one producing wellbore. Fluid is injected down the injection wellbore at a first temperature, and the fluid is produced from the at least one producing wellbore at a second temperature higher than said first temperature.

Abstract: There is disclosed a foundation system for providing support to a structural load thereon and geothermal heat exchange using a fluid. In an embodiment, the foundation system includes at least one vertical pile member configured to install into a ground surface. A central insulated tube extends in a longitudinal direction within the vertical pile member. The central insulated tube is configured to transmit a geothermal heat exchange fluid therein. An input pipe and an output pipe are configured to transmit the geothermal heat exchange fluid through the vertical pile member and extend through the sidewall of the vertical pile member. A closed end, provided at the end of the pile member is configured to provide densified soil to increase heat transfer capability and efficiency in combination with the heat exchange limited by the central insulated tube. Other embodiments are also disclosed.

Abstract: A method and system may be used for storing energy in a geothermal system and recovering both the stored energy as well as thermal energy on demand. The geothermal system may include injection and production wells that are hydraulically coupled in a geothermal energy reservoir that behaves as a confined reservoir system with thermal energy transferring to fluid injected into the injection well and removed via the production well. Injection flow rate, injection pressure, production flow rate, production backpressure, or fluid residence time may be managed to control energy consumption or energy generation profiles of the geothermal system. During an energy storage mode, the injection flow rate exceeds the production flow rate thereby storing energy in the geothermal reservoir. During an energy recovery mode, production backpressure is reduced thereby releasing the stored energy and electricity is generated by removing the thermal energy from the fluid in a heat engine.

Abstract: Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for using a thin-bed hot sedimentary aquifer (HSA) in geothermal energy generation applications. An example embodiment operates by pumping, via an extraction well, heated water from an extraction depth of an HSA. The HSA is identified based on a permeability satisfying a threshold permeability range and could even have a thickness equal to or less than about 100 meters. The example embodiment further operates by extracting, via a power generation unit, heat from the heated water to generate power and transform the heated water into cooled water. Subsequently, the example embodiment operates by injecting, via an injection well, the cooled water at an injection depth of the HSA. A first portion of the extraction well and a second portion of the injection well are disposed within the HSA.

Abstract: The present disclosure is related to systems and/or methods for energy storage in desert environments. Various embodiments described herein include a system for subterranean energy storage. The system can comprise a subterranean flexible storage vessel coupled to a heat exchanger. The heat exchanger can be configured to supply a cooled compressed gas stream to the subterranean flexible storage vessel. Further, the subterranean flexible storage vessel can be at least partially surrounded by sand. Additionally, the system can comprise a turbine generator coupled to the subterranean flexible storage vessel. The subterranean flexible storage vessel can be configured to supply a pressurized gas stream that is heated by the sand to the turbine generator.

Abstract: A geothermal system is used for obtaining heated heat transfer fluid, such as steam, via heat transfer with an underground reservoir of magma. The geothermal system includes a wellbore extending between a surface and into an underground chamber formed in a reservoir of magma. The chamber may be formed by injecting a fluid at an increased pressure into underground magma to form a cavity that acts as the underground chamber.

Abstract: According to examples of the disclosure there is provided a heat-driven pumping system and a method of pumping. The heat-driven pumping system comprises a closed circuit for a first liquid. The closed circuit comprises a vaporization portion. The vaporization portion is configured to receive heat from an external source. The vaporization portion is configured to cause vaporization of first liquid within the vaporization portion. Vaporization of first liquid within the vaporization portion thereby increases an amount of gas in the closed circuit. The closed circuit is sealed such that the increase in the amount of gas increases a pressure exerted on the first liquid. The heat-driven pumping system comprises a transfer means. The transfer means is configured to convert the pressure exerted on the first liquid into a pumping force. The pumping force is transferred to a pumping vessel for pumping a second liquid.

Abstract: Devices, methods, and systems having insect guards in devices and systems for aspirated smoke, gas, or air quality monitoring are described herein. One aspirated smoke, gas, or air quality monitoring unit includes a detector module that includes at least one particulate sensing chamber within the detector module and an air inlet connecting the sampling tube to the particulate sensing chamber allowing communication of air from the sampling tube to the particulate sensing chamber; and a spiral shaped insect guard positioned within the inlet.

Abstract: An underground heat exchange type cooling and heating system includes an underground heat exchange device to allow heat to be exchanged between a first heat medium and a geothermal heat; a plurality of cooling and heating units which cools or heats an indoor space by means of a second heat medium; a plurality of heat pump units which allows heat to be exchanged between the first heat medium and the second heat medium; a first transfer line which transmits the first heat medium to the plurality of heat pump units and transmits the first heat medium having undergone heat exchange in the plurality of heat pump units to the underground heat exchange device; and a second transfer line which transmits the second heat medium to the plurality of cooling and heating units.

Abstract: Provided are a system and method for actively recovering thermal energy, hydrocarbons, and other energy resources from a formation. In one example, multiple fluid conduits are inserted into a borehole. Combustion fluid is injected into the formation via one of the conduits. The combustion fluid is used to ignite and maintain a combustion zone by burning fuel in the formation. To extract thermal energy, cool fluid is circulated through the borehole via another conduit and heated by the thermal energy in the combustion zone. Thermal energy may be recovered from the heated fluid or other processing may be performed for various types of energy recovery. A fluid flow and composition of the combustion fluid and a fluid flow rate of the cool fluid may be individually controlled for purposes such as regulating heat transfer, balancing thermal energy recovery with enhanced oil recovery (EOR), and regulating temperature and pressure for safety.

Abstract: An air conditioning system for a motor vehicle. The air conditioning system includes a refrigerant circuit divided into a high-pressure region and a low-pressure region, first and second internal heat exchangers arranged in the high-pressure and low-pressure regions, an external heat exchanger arranged in the refrigerant circuit, a condenser arranged in the high-pressure region, and an evaporator that, in a first operating mode, thermally couples the low-pressure region to the air conditioning air and, in a second operating mode, is arranged outside the refrigerant circuit.

Abstract: A gas injection system is provided. The gas injection system includes at least a first line a reinjection water and a pressure of the reinjection water is increased, and gases from a compressor, a pressure of the gases are increased, are gathered and delivered to a reservoir by a reinjection well; at least a first delivery line to deliver a gas, a pressure of the gas is increased, to the first line; at least a second delivery line to deliver the reinjection water, the pressure of the reinjection water is increased, to the first line; at least a first outlet line in communication with the first line, another side of the first outlet line communicates with a lower part of the reinjection well, and enables to deliver a mixture received from the first line to the lower part of the reinjection well.

Abstract: A computing system includes an array of compute module racks, each compute module rack containing a plurality of compute modules and each compute module being accessible by extracting the compute module rack out of the array of compute module racks. A liquid distribution infrastructure comprising liquid coolant supply lines and return lines is arranged in a first plane adjacent to the array of compute module racks and coupled to each of the vertical racks to provide liquid cooling for the plurality of compute module racks. A power distribution infrastructure comprising power supply lines is arranged in a second plane adjacent to the array of compute module racks and coupled to each of the compute module racks. An optical interconnection infrastructure comprising optical fiber cables is arranged in a third plane adjacent to the array of compute module racks and coupled to each of the compute module racks.

Abstract: A method including forming a hydrophobic film on one or more surfaces as part of a geothermal operation in which a circulating fluid comprising water is injected into an injection well, absorbs heat, and is recovered from a production well prior to extraction of at least a portion of the heat therefrom and recycle of the circulating fluid back to the or another injection well.

Abstract: A zoned heating, ventilation, and air conditioning system is controlled via a home automation hub. The home automation hub communicates commands to an air handler via either a zoning interface module or a specially adapted thermostat. The zoning interface module or specially adapted thermostat are programmed to send commands to the air handler based on a default strategy whenever communication with the hub is lost, thereby mitigating the impact of a hub failure of communications failure. The zoning interface module additionally forwards commands from the hub to zone dampers. A user may conveniently indicate the type of equipment by inserting a removable terminal label from a set of provided removable terminal labels.

Abstract: A multi-source ground-to-air heat transfer system is configured to store thermal energy during a cooling/dehumidifcation mode of operation for future use during a heating mode of operation. The multi-source ground-to-air heat transfer system utilizes a ground loop that is configured under an enclosure, such as a greenhouse, and is in thermal communication with a thermal reservoir medium to conduct and store heat. A thermal exchange fluid is pumped through the ground loop and ground heat exchanger and may receive heat from a condenser during a cooling/dehumidification mode of operation and may liberate heat to the evaporator during a heating mode. The enclosure air may receive heat from the heat pump during a heating mode and may liberate heat to the evaporator during a cooling/dehumidification mode. The heat exchange system may employ a heat pump having a reversing valve to change the mode of operation.

Abstract: A bridge heating system includes one or more mounting boxes, each of the mounting boxes being configured to mount to an underneath side of a bridge; one or more heating devices secured inside of each of the one or more mounting boxes; one or more fans secured inside each of the one or more mounting boxes and to circulate air throughout the associated mounting box; control system to operate the one or more heating devices and the one or more fans such the one or more mounting boxes heats the underneath side of the bridge.

Abstract: A method of operations in a subterranean formation, including driving a pump with an electrically powered motor to pressurize fluid, inserting a tool into a wellbore that intersects the formation, and directing the pressurized fluid into the wellbore above the tool to push the tool into the wellbore.

Abstract: An onboard system for winterizing vessels includes an antifreeze storage system. The onboard system includes a control system capable of determining one or more of the one or more system components to be winterized, an antifreeze storage system, and one or more pumps capable of pumping antifreeze from the antifreeze storage system. The antifreeze flows through the determined one or more system components to be winterized.

Abstract: A shielded electric wire includes one metal pipe and one electric wire having a conductor and an insulator. An outer diameter of the conductor at 25° C. is set as a, a coefficient of linear expansion of the conductor is set as ?a, and a temperature difference between a maximum temperature and 25° C. is set as ?t, an outer diameter a? of the conductor after thermal expansion is a?=a+?a×a×?t, and when a wall thickness of the insulator at 25° C. is set as b and a coefficient of linear expansion of the insulator is set as ?b, an insulator wall thickness b? after thermal expansion is b?=b+?b×b×?t, and an inner diameter c of the one metal pipe is set to satisfy c?a?+2b?.

Abstract: A method for recompleting a well is applied to a well such that the recompleted well can thermally transfer geothermal energy to surface. The recompleting method can comprise steps to hydraulically isolate a wellbore using a hydraulic isolation means, and enhance the thermal conductivity of a reservoir in which the wellbore is located by inserting a thermal material into the reservoir that displaces a reservoir fluid having a lower thermal conductivity than the thermal material.

Abstract: An in-situ reagents injection system comprises a compressed air storage tank, a remediation reagents storage tank, an injection adjusting valve, an injection pipe, an upper sealing device and a lower sealing device. When the reagents injection is carried out, the compressed air is injected before the remediation reagents is injected, the porosity of the aquifer medium is increased by utilizing the air pressure expansion technology to form a relatively uniform dominant channel, and the remediation reagents is injected to realize uniform and efficient conveying of the reagents. The in-situ reagents injection system and method can make the homogeneous and efficient conveying of the remediation reagents, and ensure the full utilization of the remediation reagents, with low energy consumption of injection equipment, simple process, and flexible operation. The injection is performed in sections from top to bottom according to the steps to improve the in-situ reagents injection efficiency and remediation efficiency.

Abstract: A district energy distributing system comprising a geothermal power plant comprising a first and a second circuit. The first circuit comprises a feed conduit for an incoming flow of geothermally heated water from a geothermal heat source; a boiler comprising a heat exchanger configured to exchange heat from the incoming flow of geothermally heated water to superheat a working medium of a second circuit of the geothermal power plant; and a return conduit for a return flow of cooled water from the boiler to the geothermal heat source. The second circuit comprises the boiler configured to superheat the working medium of the second circuit; an expander configured to allow the superheated working medium to expand and to transform the expansion to mechanical work; and a condenser configured to transform the expanded working medium to liquid phase and to heat a heat transfer fluid of a district thermal energy circuit.

Abstract: A geothermal heat utilization system (10) includes a pumping well (20), a water injection well (30), a pipe (13) having two ends which are immersed in water stored in the pumping well (20) and the water injection well (30) so as to connect the pumping well (20) and the water injection well (30) to each other, a pump (21) and a pump (31) which are respectively provided inside the pumping well (20) and the water injection well (30) and pump up stored water through the pipe (13), a valve (25) and a valve (35) which are respectively provided on a pressurization side of the pump (21) inside the pumping well (20) and a pressurization side of the pump (31) inside the water injection well (30), and a heat exchanger (14) which is configured to exchange heat with the pipe (13).

Abstract: A district energy distributing system is disclosed. The system comprises a geothermal heat source system comprising a geothermal heat source and a feed conduit for a flow of geothermally heated water from the geothermal heat source. The system further comprises a district feed conduit, a district return conduit and a plurality of local heating systems, each having an inlet connected to the district feed conduit and an outlet connected to the district return conduit, wherein each local heating system is configured to provide hot water and/or comfort heating to a building, A central heat exchanger is connected to the feed conduit of the geothermal heat source system such that an incoming flow of geothermally heated water is provided to the central heat exchanger.

Abstract: A medium-deep non-interference geothermal heating system based on loose siltstone geology includes a water return pipe and a water inlet pipe. The system further includes a differential pressure overflow pipe, a gauge, a differential pressure controller, a first high area water return pipe, a first water return pipe, a third water return pipe, a bypass pipe, a high area water supply pipe, a second high area water return pipe, a geothermal well water return pipe, a geothermal well water supply pipe, a heat pump unit, a second water return pipe, a water supply pipe, a geothermal well water pump, a first geothermal well water supply pipe, a first geothermal well water return pipe, a second geothermal well water return pipe, a second geothermal well water supply pipe, a geothermal wellhead device, and a geothermal well that are combined for use.

Abstract: The present invention relates to tactile warning panels, and in particular to tactile warning panels that are designed and built with multifunction/multipurpose capabilities that serve the visually impaired and enable the deployment of smart city technology by integrating tactile warning systems and subsurface enclosures that can withstand pressures of five (5) tons up to and exceeding sixty (60) tons and incorporate small cells, beacons, sensors, Fog Computing, electric energy generation, rechargeable power supplies, wireless M2M communication and a plethora of other smart city technologies.

Abstract: A geothermal system includes an outer vessel having a sidewall that is in contact with surrounding ground material. A geothermal pile is disposed within an interior volume of the outer vessel, wherein a first heat conducting liquid at least partially fills a space between an inner surface of the sidewall of the outer vessel and an outer surface of the geothermal pile when in an installed condition. A conduit disposed within an interior space of the geothermal pile conducts a second heat conducting liquid along a flow path within the geothermal pile toward a bottom end thereof and then back to an outlet at a top end thereof. During operation, heat is transferred from the surrounding ground to the second heat conducting liquid via the first heat conducting liquid within the space between the inner surface of the sidewall of the outer vessel and the outer surface of the geothermal pile.

Abstract: A method of processing electrical data and signals which comprises locating a site with a geothermal hot water resource which feeds hot water to an on-site heat engine that drives an on-site electricity generator which provides electrical power to an array of microprocessors, located in an enclosure structure, that processes data transmitted from a remote location at high speeds. The processed data is transmitted back to the remote locations at high speeds.

Abstract: It is provided a power generation model based on a transcritical cycle with an increasing-pressure endothermic process using CO2-based mixture working fluids for an enhanced geothermal system, including a geothermal water circulation, a mixture working fluid circulation and a cooling water circulation. A coaxial pipe-in-pipe downhole heat exchanger is provided in the mixture working fluid circulation. Innovations are reflected in that an increasing-pressure endothermic process is achieved due to making use of gravity and hence increase a heat quantity absorbed in a cycle, thereby improving power generation quantity of the cycle; and a binary mixture working fluid composed of CO2 and an organic working fluid is adopted to realize a transcritical power cycle with an increasing-pressure endothermic process and a decreasing-temperature exothermic process, thereby effectively reducing irreversibility of a heat transfer between a working fluid and a heat source and improving power cycle efficiency.

Abstract: A vertical ground heat exchanger for reducing the temperature in the carbonaceous shale rock mass and preventing roadbed frost heave includes a heating mechanism, a heat releasing component respectively connected to both ends of the heating mechanism and a refrigeration heat exchange mechanism. The refrigeration heat exchange mechanism is connected to the lower end of the heating mechanism through a heat transfer pipeline and communicates with the heat releasing component. The heat releasing component includes a double-layer heat exchange tube component, a gas-liquid separator and a branch tube, wherein the double-layer heat exchange tube component is respectively connected to the both ends of the heating mechanism, the gas-liquid separator is connected to the double-layer heat exchange tube component, and the branch tube is connected between the gas-liquid separator and the refrigeration heat exchange mechanism. The double-layer heat exchange tube component includes an upper bellows and a lower bellows.

Abstract: A concentric pipe geothermal heat exchanger well head is described. The well head may include a riser pipe having an outer pipe and an inner core pipe, wherein an inner heat exchanger pipe is coupled to the inner core pipe, a reducer coupled to an outer heat exchanger pipe on one side and coupled to the outer pipe on a second opposite side to conduct fluid between the outer heat exchanger pipe and the outer pipe, a flow pipe parallel to and biaxial with the riser pipe configured to be coupled to a geothermal heat pump, and an elbow coupled to the outer pipe to couple fluid between the outer pipe and the well head pipe.

Abstract: Methods for providing on demand power to an end user in a variety of embodiments are disclosed. Closed loop thermal recovery arrangements are disposed within a geologic formation having a predetermined potential thermal output capacity. A power generation device is incorporated in the loop to recover energy. A working fluid is circulated within the loop at varying flow rates to oscillate thermal output about the predetermined potential thermal output capacity, to produce on demand power where the average thermal output may equal the predetermined potential thermal output capacity. Integrations with intermittent renewable energy sources are provided which optimize performance and distribution.

Abstract: The present invention provides a bidirectional energy-transfer system comprising: a thermally and/or electrically conductive concrete, disposed in a structural object; a location of energy supply or demand that is physically isolated from, but in thermodynamic and/or electromagnetic communication with, the thermally and/or electrically conductive concrete; and a means of transferring energy between the structural object and the location of energy supply or demand. The system can be a single node in a neural network. The thermally and/or electrically conductive concrete includes a conductive, shock-absorbing material, such as graphite. Preferred compositions are disclosed for the thermally and/or electrically conductive concrete.

Abstract: A geothermal heat exchange apparatus is disclosed that includes a central conduit, a plurality of pipes, at least one fitting and a joint. The geothermal heat exchange apparatus is preassembled for insertion into a bore hole and for connection to a supply primary pipe and a return primary pipe that are in fluid communication with a heat pump. The geothermal heat exchange apparatus includes the plurality of pipes in a helical arrangement around the central conduit for geothermal heat exchange. The at least one fitting is fixedly connected to a first end portion of the central conduit in the bore hole.

Abstract: The invention provides, in some aspects, a thermal storage system that has one or more fluid-transport vias that contain a heat transfer fluid and that are disposed in thermal coupling with a form of graphite, e.g., expanded graphite. The graphite form is, in turn, disposed in thermal coupling with a bonded aggregate material.