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公开(公告)号：US11156386B2
公开(公告)日：2021-10-26
申请号：US16524017
申请日：2019-07-27
Applicant: EAVOR TECHNOLOGIES INC.
Inventor： Paul Cairns , Matthew Toews , John Redfern
Abstract: A method for controlling temperature maxima and minima from the heel to toe in geothermal well lateral sections. The method includes disposing at least a pair of wells proximately where thermal contact is possible. Working fluid is circulated in one well of the pair in one direction and the working fluid of the second well is circulated in as direction opposite. to the first. In this manner temperature equilibration is attainable to mitigate maxima and minima to result in a substantially more uniform temperature of the working fluids in respective wells and the rock formation area there between. Specific operating protocol is disclosed having regard to the temperature control for maximizing thermal energy recovery.
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公开(公告)号：US20230288099A1
公开(公告)日：2023-09-14
申请号：US18019645
申请日：2021-08-05
Applicant: Matthew TOEWS , Bailey SCHWARZ , John REDFERN , Paul CAIRNS , Vsevolod ZATONSKI , Eavor Technologies Inc.
Inventor： Matthew Toews , Bailey Schwarz , John Redfern , Paul Cairns , Vsevolod Zatonski
Abstract: A method includes flowing, in a closed loop geothermal well residing in a target subterranean zone, a first heat transfer working fluid and flowing, in the geothermal well, a second working fluid from the surface inlet to the downhole location of the geothermal well. The second working fluid resides upstream of the first heat transfer working fluid. The second working fluid includes a fluid density greater than a fluid density of the first heat transfer working fluid. The method also includes circulating, in the geothermal well, the second working fluid pushing, with the second working fluid, the first heat transfer working fluid toward a surface outlet of the geothermal well. The method also includes collecting energy from the mobilized first heat transfer working fluid received at the surface outlet of the geothermal well.
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公开(公告)号：US20230018178A1
公开(公告)日：2023-01-19
申请号：US17946329
申请日：2022-09-16
Applicant: Eavor Technologies Inc.
Inventor： Matthew Toews , Bailey Schwarz , John Redfern , Paul Cairns
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.
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公开(公告)号：US12163696B2
公开(公告)日：2024-12-10
申请号：US18501582
申请日：2023-11-03
Applicant: Eavor Technologies Inc.
Inventor： Paul Cairns , Matthew Toews , John Redfern
Abstract: A method for controlling temperature maxima and minima from the heel to toe in geothermal well lateral sections. The method includes disposing at least a pair of wells proximately where thermal contact is possible. Working fluid is circulated in one well of the pair in one direction and the working fluid of the second well is circulated in as direction opposite. to the first. In this manner temperature equilibration is attainable to mitigate maxima and minima to result in a substantially more uniform temperature of the working fluids in respective wells and the rock formation area there between. Specific operating protocol is disclosed having regard to the temperature control for maximizing thermal energy recovery.
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公开(公告)号：US20240060685A1
公开(公告)日：2024-02-22
申请号：US18501582
申请日：2023-11-03
Applicant: Eavor Technologies Inc.
Inventor： Paul Cairns , Matthew Toews , John Redfern
Abstract: A method for controlling temperature maxima and minima from the heel to toe in geothermal well lateral sections. The method includes disposing at least a pair of wells proximately where thermal contact is possible. Working fluid is circulated in one well of the pair in one direction and the working fluid of the second well is circulated in as direction opposite. to the first. In this manner temperature equilibration is attainable to mitigate maxima and minima to result in a substantially more uniform temperature of the working fluids in respective wells and the rock formation area there between. Specific operating protocol is disclosed having regard to the temperature control for maximizing thermal energy recovery.
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Patent Agency Ranking
公开(公告)号：US11808488B2
公开(公告)日：2023-11-07
申请号：US17499415
申请日：2021-10-12
Applicant: Eavor Technologies Inc.
Inventor： Paul Cairns , Matthew Toews , John Redfern
Abstract: A method for controlling temperature maxima and minima from the heel to toe in geothermal well lateral sections. The method includes disposing at least a pair of wells proximately where thermal contact is possible. Working fluid is circulated in one well of the pair in one direction and the working fluid of the second well is circulated in as direction opposite. to the first. In this manner temperature equilibration is attainable to mitigate maxima and minima to result in a substantially more uniform temperature of the working fluids in respective wells and the rock formation area there between. Specific operating protocol is disclosed having regard to the temperature control for maximizing thermal energy recovery.
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公开(公告)号：US20220026112A1
公开(公告)日：2022-01-27
申请号：US17499415
申请日：2021-10-12
Applicant: Eavor Technologies Inc.
Inventor： Paul Cairns , Matthew Toews , John Redfern
IPC: F24T10/13
Abstract: A method for controlling temperature maxima and minima from the heel to toe in geothermal well lateral sections. The method includes disposing at least a pair of wells proximately where thermal contact is possible. Working fluid is circulated in one well of the pair in one direction and the working fluid of the second well is circulated in as direction opposite. to the first. In this manner temperature equilibration is attainable to mitigate maxima and minima to result in a substantially more uniform temperature of the working fluids in respective wells and the rock formation area there between. Specific operating protocol is disclosed having regard to the temperature control for maximizing thermal energy recovery.
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公开(公告)号：US12228112B2
公开(公告)日：2025-02-18
申请号：US17946329
申请日：2022-09-16
Applicant: Eavor Technologies Inc.
Inventor： Matthew Toews , Bailey Schwarz , John Redfern , Paul Cairns
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.
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公开(公告)号：US11460008B2
公开(公告)日：2022-10-04
申请号：US17105568
申请日：2020-11-26
Applicant: EAVOR TECHNOLOGIES INC.
Inventor： Matthew Toews , Bailey Schwarz , John Redfern , Paul Cairns
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.
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公开(公告)号：US11125472B2
公开(公告)日：2021-09-21
申请号：US16389962
申请日：2019-04-21
Applicant: EAVOR TECHNOLOGIES INC.
Inventor： Matthew Toews , Glenn Price , Paul Cairns , John Redfern , Jeff Smith
Abstract: Fluid classes for use in energy recovery in well and geothermal environments for power production are disclosed. The fluids fall into the classes of fluids being capable of increasing thermodynamic efficiency of electricity and/or heat generation from a closed-loop geothermal system. Numerous methods are disclosed which exploit the thermodynamics of the fluids for optimum energy recovery.
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