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7320221 |
Method and apparatus for using geothermal energy for the production of power
An apparatus and method for enhancing the flow of geothermal fluid from at least one injection well to at least one production well, which comprises a first horizontal geothermal well, which is...
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6708494 |
Device for utlilizing geothermal heat and method for operating the same
An apparatus and a method for using geothermal energy include the use of at least a first conduit, through which a working substance is carried downward into the interior of the Earth, at least one...
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6668554 |
Geothermal energy production with supercritical fluids
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....
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4576006 |
Geothermal hot water transportation and utilization system
Disclosed is a system for transporting geothermal hot water taken up at an underground bottom portion of a geothermal production well up to the ground surface, efficiently with a loss suppressed to...
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4507925 |
Method for and thermal energy injection withdrawal system for aquifers
A process has been invented to inject and withdraw water from an aquifer for purposes of energy storage under some abnormal conditions. This transfer system is for thermal energy storage...
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4448022 |
Downhole liquid trap for a geothermal pumping system
In a geothermal energy conversion system having a boiler and a turbine driven pumping unit, a separator is disposed between the boiler and the turbine driven pump for separating entrained liquid...
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4426849 |
Gravity head reheat method
In a gravity head geothermal energy conversion system, downwardly flowing working fluid is supplied to a downwell turbine pump in heat transfer relationship to the upwardly flowing geothermal...
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4407126 |
Thermosyphon boiler for a geothermal pumping system
In a geothermal energy conversion system having a boiler, a liquid trap, and a turbine driven pumping unit, a thermosyphon boiler is disposed between the liquid trap and the turbine driven pump....
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4388807 |
Geothermal power extraction system with above surface heating of working fluid
In a geothermal energy conversion system of the type having a down-hole turbine pump unit driven by a heated working fluid, a heat exchanger is disposed at the surface of the earth for heating the...
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4380903 |
Enthalpy restoration in geothermal energy processing system
A geothermal deep well energy extraction system is provided of the general type in which solute-bearing hot water is pumped to the earth's surface from a relatively low temperature geothermal...
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4342197 |
Geothermal pump down-hole energy regeneration system
Geothermal deep well energy extraction apparatus is provided of the general kind in which solute-bearing hot water is pumped to the earth's surface from a subterranean location by utilizing thermal...
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4328673 |
Geothermal pump dual cycle system
Geothermal deep well energy extraction apparatus is provided of the general kind in which solute-bearing hot water is pumped to the earth's surface from a subterranean location by utilizing thermal...
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4325681 |
Geothermal irrigation pump
A deep well pumping apparatus utilizing a geothermal source of energy is disposed within or above a stratum having a cool irrigating fluid, and an associated heat exchange unit is disposed within a...
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4181468 |
Geothermal energy pump monitor and telemetric system
The operation of a geothermal well power-generationsystem is monitored by sensor, communication, and performance monitoring equipment normally associated integrally with the operating power...
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4142108 |
Geothermal energy conversion system
A geothermal energy recovery system of improved efficiency makes use of thermal energy stored in hot, solute-bearing well water as it is pumped upward to the earth's surface through an extended...
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4107987 |
Geothermal well pump performance sensing system and monitor therefor
The operating characteristics of deep well pumping equipment in a geothermal well power-generation system are observed by cooperating sensor and communication elements permanently associated with...
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4077220 |
Gravity head geothermal energy conversion system
A geothermal energy recovery system of improved life duration makes use of thermal energy stored in hot, solute-bearing well water as it is pumped upward to the earth's surface through an extended...
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4059959 |
Geothermal energy processing system with improved heat rejection
The improved geothermal energy extraction system abstracts thermal energy stored in hot solute-bearing well water to generate a super-heated fluid from an injected flow of a working fluid; the...
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4050517 |
Geothermal energy well casing seal and method of installation
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate a thermal working fluid from an injected flow of clean fluid. The...
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4023136 |
Borehole telemetry system
A geothermal well power-generation system is monitored by sensors permanently associated with the operating power generation system. These sensors detect changes in well water temperature, water...
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3988896 |
Geothermal energy pump and monitor system
The operation of a geothermal well power-generation system is monitored by sensor, communication, and performance monitoring equipment permanently associated with the operating power generation...
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3967448 |
Geothermal energy well casing seal
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water. The...
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3961866 |
Geothermal energy system heat exchanger and control apparatus
A geothermal energy transfer and utilization system extracts thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the...
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3939659 |
Geothermal energy system fluid filter and control apparatus
A geothermal energy transfer and utilization system abstracts thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the...
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3910050 |
Geothermal energy system and control apparatus
A geothermal energy transfer and utilization system abstracts thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the...
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3908381 |
Geothermal energy conversion system for maximum energy extraction
A geothermal energy transfer and energy utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water;...
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3908380 |
Geothermal energy turbine and well system
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the...
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3905196 |
Geothermal energy pump thrust balance apparatus
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the...
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3898020 |
Geothermal energy system and method
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the...
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