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Resultados 47 resultados LastUpdate Última actualización 27/01/2023 [19:22:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 30 días / Applications published in the last 30 days



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地源热泵与含水层储能耦合的冷热源系统及其调控方法

NºPublicación: CN115638567A 24/01/2023

Solicitante:

东南大学

Resumen de: CN115638567A

本发明公开了一种地源热泵与含水层储能耦合的冷热源系统及其调控方法,涉及可再生能源技术领域,解决了因岩土热不平衡问题而产生的地源热泵系统效率偏低的技术问题,其技术方案要点是在供冷工况时,优先采用含水层储能系统直接供冷,余量由地源热泵系统承担;在供热工况时,通过热泵机组以及含水层储能系统进行联合供热;同时,在安全范围允许的条件下,增大抽灌水流量,在抽灌对井间部分的含水层中形成有效渗流,用于强化地埋管群与周围渗流岩土间的换热。本申请通过将浅层地源热泵与含水层储能系统相结合,有效平衡建筑负荷需求与地热供能,实现高效的跨季节地热能建筑应用。

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SYSTEMS AND METHODS FOR GENERATION OF ELECTRICAL POWER AT A DRILLING RIG

NºPublicación: US2023017319A1 19/01/2023

Solicitante:

ICE THERMAL HARVESTING LLC [US]

US_2022316454_PA

Resumen de: US2023017319A1

Embodiments of systems and methods for generating power in the vicinity of a drilling rig are disclosed. During a drilling operation, heat generated by drilling fluid flowing from a borehole, exhaust from an engine, and/or fluid from an engine's water (or other fluid) jacket, for example, may be utilized by corresponding heat exchangers to facilitate heat transfer to a working fluid. The heated working fluid may cause an ORC unit to generate electrical power.

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SYSTEMS AND METHODS FOR CARBON DIOXIDE SEQUESTRATION INJECTION

NºPublicación: US2023016334A1 19/01/2023

Solicitante:

TERRACOH INC [US]

WO_2023287792_PA

Resumen de: US2023016334A1

A method comprises introducing a sequestration fluid through one or more injection wells into an underground reservoir containing at least one native fluid. Each injection well includes one or more injection well reservoir openings through which the sequestration fluid flows from the injection well into the underground reservoir. The method further comprises simultaneously or substantially simultaneously withdrawing a portion of the at least one native fluid through one or more withdrawal wells. Each injection well includes one or more withdrawal well reservoir openings through which the portion of the at least one native fluid flows from the underground reservoir into the withdrawal well. The one or more withdrawal well reservoir openings are proximate to the one or more injection well reservoir openings.

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SYSTEMS AND METHODS UTILIZING GAS TEMPERATURE AS A POWER SOURCE

NºPublicación: US2023014773A1 19/01/2023

Solicitante:

ICE THERMAL HARVESTING LLC [US]

US_2022333548_PA

Resumen de: US2023014773A1

Systems and generating power in an organic Rankine cycle (ORC) operation to supply electrical power. In embodiments, an inlet temperature of a flow of gas from a source to an ORC unit may be determined. The source may connect to a main pipeline. The main pipeline may connect to a supply pipeline. The supply pipeline may connect to the ORC unit thereby to allow gas to flow from the source to the ORC unit. Heat from the flow of gas may cause the ORC unit to generate electrical power. The outlet temperature of the flow of the gas from the ORC unit to a return pipe may be determined. A bypass valve, positioned on a bypass pipeline connecting the supply pipeline to the return pipeline, may be adjusted to a position sufficient to maintain temperature of the flow of gas above a threshold based on the inlet and outlet temperature.

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Method for on Demand Power Production Utilizing Geologic Thermal Recovery

NºPublicación: US2023018178A1 19/01/2023

Solicitante:

EAVOR TECH INC [CA]

CN_115280080_PA

Resumen de: US2023018178A1

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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THERMALLY ACTIVATED SHEET PILE WALL INTERLOCK PROFILE

NºPublicación: EP4118270A1 18/01/2023

Solicitante:

GOOIMEER BV [NL]

DE_102020106331_A1

Resumen de: WO2021180730A1

Disclosed is a thermally active sheet pile wall interlock as an interlock profile for connecting sheet pile wall elements for corner structures, connecting structures and branching structures of a sheet pile wall, comprising a first locking element for connection to a first sheet pile wall element and at least one first channel for conducting a heat transfer medium.

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Flow control in geothermal wells

NºPublicación: GB2608912A 18/01/2023

Solicitante:

BAKER HUGHES OILFIELD OPERATIONS LLC [US]

DE_112021000832_T5

Resumen de: GB2608912A

A system for regulating fluid flow in a geothermal energy production system includes a flow control device disposed in an injector well and/or a producer well, which are disposed in a subterranean region. The injector well includes an outflow port configured to inject a fluid into the region, the producer well includes an inflow port configured to receive the fluid from the region, and the outflow port and the inflow port are in fluid communication via one or more passages in the subterranean region between the injector well and the producer well. The device is configured to restrict a flow of a fluid into the producer well based on a temperature and/or a flow rate of the fluid in the flow control device. The temperature and/or the flow rate selected to maintain a temperature of the fluid entering the producer well within a selected range.

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Estimation of formation and/or downhole component properties using electromagnetic acoustic sensing

NºPublicación: GB2608969A 18/01/2023

Solicitante:

BAKER HUGHES OILFIELD OPERATIONS LLC [US]

WO_2021216335_A1

Resumen de: GB2608969A

A method is provided of inspecting a nested multi-layer structure including a first and second electrically conductive layer and a third layer disposed behind the second conductive layer. The method includes deploying a sensor device including an electromagnetic acoustic transducer to a borehole location proximate to the structure, generating a drive signal including a plurality of frequencies, applying an electrical current signal to the sensor device based on the drive signal and inducing currents in the first conductive layer that induce currents generating acoustic signals having the plurality of frequencies, detecting a first set of resonant frequencies based on received electromagnetic signals, detecting a second set of resonant frequencies based on received acoustic signals, estimating a property of the first and/or the second conductive layer based on the first set of resonant frequencies, and estimating a property of the third layer based on the second set of resonant frequencies.

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一种多分支地热井系统及施工方法

NºPublicación: CN115615022A 17/01/2023

Solicitante:

双良节能系统股份有限公司中国科学院广州能源研究所

Resumen de: CN115615022A

一种多分支地热井系统,包括地上换热单元和地下换热单元,地下换热单元包括有地热井和换热管,换热管置于换热井内并与地上换热单元连通,地热井包括有主井和多个分支井,主井为直井,主井的内壁至少设置有一个固井套管且固定套管沿主井的长度方向延伸,主井的裸眼部分和/或固定套管上开设有多个倾斜向下设置的分支井,多个分支井和主井内设置有换热管,换热管与分支井和主井的接口处设有封堵层,换热管为重力热管或同轴套管。本发明通过共用主井,并在地热温度高的深层采用多分支结构,以此增大换热面积,提高单井采热量。

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基于地热的冷却水循环系统及控制方法

NºPublicación: CN115615106A 17/01/2023

Solicitante:

李锦记(新会)食品有限公司

Resumen de: CN115615106A

本发明公开了一种基于地热的冷却水循环系统,包括:工作设备;冷却塔;第一换热器;地埋管,通过第一换热器和管路连接工作设备,以实现对工作设备的散热;第一冷水机,两端通过管路分别连接工作设备和冷却塔,以实现工作设备和冷却塔之间的换热;第二换热器,通过管路连接冷却塔和地埋管,以实现冷却塔对地埋管的供冷补偿;第二冷水机,一端通过管路连接工作设备,另一端通过第二换热器和管路连接冷却塔,以加强工作设备和冷却塔之间的换热,第二冷水机与地埋管并联。冷却塔通过第一冷水机和第二冷水机对工作设备进行冷却,地埋管通过第一换热器对工作设备进行冷却,工作设备的冷却效果好,由于地埋管利用了地热资源,从而降低了能耗。

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METHOD FOR INSTALLING A GEOTHERMAL SYSTEM, METHOD FOR UTILIZING GEOTHERMAL ENERGY, AND GEOTHERMAL SYSTEM

NºPublicación: US2023011174A1 12/01/2023

Solicitante:

GEOLOG S R L [IT]

Resumen de: US2023011174A1

Method for installing a geothermal system, comprising: arranging a drilling equipment, including a support structure and a terminal module, mounted on the support structure; by means of the drilling equipment, drilling the soil in succession along a substantially vertical first tract, a substantially horizontal second tract and a substantially vertical third tract, the first, second and third tracts forming a substantially U-shaped well, the first tract having a surface inlet, where the drilling is started, the third tract having a surface outlet, where the drilling is finished, the well crossing a geothermal zone; arranging a casing in the well, so that the casing extends between the inlet of the first tract and the outlet of the third tract; arranging a heat utilization system, associated with an axial end of the casing; arranging a hydraulic system configured to cause a heat transfer fluid to circulate in the casing, so that the heat transfer fluid will absorb heat from the geothermal formation and will release it at the heat utilization system.

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THERMALLY INSULATED TUBING FOR GEOTHERMAL POWER SYSTEMS

NºPublicación: WO2023283445A1 12/01/2023

Solicitante:

SAGE GEOSYSTEMS INC [US]

Resumen de: WO2023283445A1

A geothermal power system includes a power generation unit and tubing configured to be positioned within a wellbore coupled to the power generation unit. The tubing includes a first pipe with a first annular wall defining a first inner diameter and a first outer diameter. The first pipe has a first thermal conductivity. A second, pipe at least partially surrounds the first pipe. The second pipe includes a second annular wall defining a second inner diameter that is larger the first outer diameter of the first pipe. The second pipe has a second thermal conductivity. A coating applied to at least a portion of at least one of the first outer diameter of the first pipe and the second inner diameter of the second pipe has a coating thermal conductivity that is less than at least one of the first thermal conductivity and the second thermal conductivity.

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一种干热岩单井双水平人工致裂换热方法

NºPublicación: CN115585563A 10/01/2023

Solicitante:

湖南省地球物理地球化学调查所

Resumen de: CN115585563A

本发明公开了一种干热岩单井双水平人工致裂换热方法,属于干热岩开发技术领域,本方案实现在换热介质导入到冷却通筒中后,驱动冷却机构驱动制冷装置制冷,使冷气弥散到冷却通筒各处,配合第一分散网和第二分散网将换热介质分散若干股小换热介质,方便对其进行全面冷却,且水冷降温机构通过硝酸钾粉末溶于水溶液中吸收热量,气冷降温机构通过氯化铵粉末分解成氯化氢和氨气吸收热量,使换热介质散发的余热被充分吸收,降低其和冷却通筒上的温度,促使冷却通筒内部的冷量传递到换热介质上,使其内部残留的余热快速散发和被吸收掉,促使其得到充分的冷却,从而使换热介质的冷却降温更加快速全面,增强降温效果,便于后续的循环利用。

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直接接触式復水器、及び地熱発電システム

NºPublicación: JP2023002301A 10/01/2023

Solicitante:

富士電機株式会社

Resumen de: JP2023002301A

【課題】蒸気と冷却水との接触効率を向上させる。【解決手段】直接接触式復水器10は、蒸気が流入する凝縮室20と、凝縮室内に冷却水を噴霧する第1噴霧器54と、凝縮室に連通し、凝縮室から蒸気が流入する冷却室30と、冷却室内に冷却水を噴霧する第2噴霧器55と、凝縮室及び冷却室の少なくとも一方に設けられ蒸気と冷却水との接触を促進する接触媒体層60,70と、を備え、接触媒体層60,70の重力方向に沿う厚さが不均一である。【選択図】図2

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砂岩热储地热井取热不取水高效利用系统及该系统的建造方法

NºPublicación: CN115574477A 06/01/2023

Solicitante:

河北省地质矿产勘查开发局第三水文工程地质大队(河北省地热资源开发研究所)齐恭

Resumen de: CN115574477A

本发明属于地热利用技术领域,公开了一种砂岩热储地热井取热不取水高效利用系统及该系统的建造方法。其主要技术特征为:包括地热井、出水管、换热器和回水管,在所述出水管上设置有除砂器、循环泵,在靠近每个非底部储热含水层下方的出水管上设置第一止水板,在底部储热含水层的中部偏上位置的出水管上设置有第二止水板。在回灌水下降过程中,经过每个非底部储热含水层时,都会有部分回灌水流到相应的储热含水层中,另外一部分回灌水沿着弹性板与井管内壁之间的缝隙向下面流去。底部储热含水层中温度较高的水在底部储热含水层的压力下,补充到井管中。使得整体出水管中抽出的地热水温度较高,热效率较高,而且不会对地下水造成污染。

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干热岩人工热储层构造系统及方法

NºPublicación: CN115573692A 06/01/2023

Solicitante:

中国华能集团清洁能源技术研究院有限公司华能(福建)能源开发有限公司

Resumen de: CN115573692A

本发明提供了一种干热岩人工热储层构造系统及方法,系统包括:注入装置、注水井及开采井;所述的注入装置与注水井及开采井相连接;所述的注水井的水平井段与开采井的水平井段位于不同水平面。本发明构造垂向的裂隙系统,压裂难度小,压裂范围广,注水井和开采井位于不同的水平面,接触面积大,换热效率高,能够进行单井压裂及多井同时压裂,实现多井交替压裂,压裂难度小,裂隙延展性好,接触面积大,换热效率高。

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一种适用于深层岩石地热传热的纳米流体实验装置和方法

NºPublicación: CN115575444A 06/01/2023

Solicitante:

中国地质大学(武汉)

Resumen de: CN115575444A

本发明公开了一种适用于深层岩石地热传热的纳米流体实验装置和方法。加热模块、超声储液仓和蠕动泵通过循环管路连接构成循环闭合回路;与加热模块相连接的管路上均设有热成像仪、第一温度检测器和流量计;加热模块包括花岗岩管道、紫铜管道和用于检测花岗岩管道的管壁温度的第二温度检测器,紫铜管道套设在花岗岩管道外,且与其相贴合,紫铜管道均匀缠绕有加热丝;紫铜管道的两端均与循环管路相连通;控制系统与第一温度检测器、第二温度检测器、供电系统和蠕动泵电连接。本发明提出将岩石热源作为热源边界,将循环纳米流体直接与岩石热源边界接触探究其换热规律,能更真实客观地模拟中深层地热井中纳米流体与岩石热源接触后的换热情况。

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一种地源热泵换热管集成板系统及其施工方法

NºPublicación: CN115574488A 06/01/2023

Solicitante:

中建城市建设发展有限公司

Resumen de: CN115574488A

一种地源热泵换热管集成板系统,包括集成板(1)与换热管连通系统(2),其中集成板包括集成板贴墙面层(10)与集成板回填面层(11),所述贴墙面层可直接粘贴在地下结构外墙防水层表面,所述集成板回填面层上设置水平及竖向的凹槽,凹槽用来摆放及固定换热管连通系统,将换热管连通系统与地面地源热泵系统进行连接,以便实现地源热泵的使用功能。本发明适用于地下混凝土结构外墙施工领域,换热管集成板系统不仅充分利用地下空间,还可以兼做地下结构外墙防水层的保护层,同时提高了地源热泵的供能效率。

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一种干热岩分段制造并全封闭开发的方法

NºPublicación: CN115573687A 06/01/2023

Solicitante:

利丰新能源技术(山东)股份有限公司

Resumen de: CN115573687A

本发明公开了一种干热岩分段制造并全封闭开发的方法,包括如下步骤:S1.先钻进一口直井,再钻进一口水平井,水平井和直井连通,并下套管,形成一个全封闭循环系统;S2.利用石油压裂技术把低渗透热传导率高的水泥压进地层制造干热岩,使该水泥相当于干热岩,该水泥为仿干热岩水泥;S3.在全封闭连通井的水平段目的层,分多段挤压进该仿干热岩水泥于目的层中制造干热岩,使全封闭连通井周围都是干热岩,使远距离的热能更快的聚集到地热井井眼周围,增加全封闭连通井的换热面积。本发明能够使远距离的地热能更快聚集到地热井周围,能够开发任何地层的地热,能够开发任何地区的地热,应用范围更广泛。

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METHOD OF SIMULATING FLUID FLOWS IN AN UNDERGROUND FORMATION COMPRISING A FRACTURE NETWORK

NºPublicación: FR3124869A1 06/01/2023

Solicitante:

IFP ENERGIES NOW [FR]

US_2023003102_PA

Resumen de: US2023003102A1

The present invention is a method of simulating fluid flows in an underground formation comprising a fracture network. A porosity model is constructed, comprising a first medium representative of an unfractured matrix, a second medium representative of fractures oriented in a first direction and a third medium representative of fractures oriented in a second direction orthogonal to the first direction. From at least the porosity model, flow parameters of a grid representation of the formation are determined, which include conduction and convection transmissibilities between two neighboring cells for the second and third media, as well as mass and energy exchanges by convection and conduction between each medium taken two by two for a single cell. Flows in the formation are simulated by f a flow simulator implementing the porosity model.

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ARRANGEMENT IN A BOREHOLE

NºPublicación: US2023003422A1 05/01/2023

Solicitante:

DOUBLE M PROPERTIES AB [FI]

CN_114846282_PA

Resumen de: US2023003422A1

The present invention comprises an arrangement in a borehole. Such an arrangement comprises two tubes, an outer tube and an inner tube being arranged within each other having essentially parallel longitudinal axes. Said outer and inner tubes are connected to incoming and outgoing tubes respectively. The cross sectional area of the inner tube is less than half of the cross sectional area of the outer tube, whereby the outer tube and/or the incoming and outgoing tubes arranged in the borehole are insulated until they reach below a freezing depth of the surrounding media. Said the inner tube is also arranged to end before reaching the bottom end of the outer tube when inserted in the borehole, thus forming a fluid passage between the both tubes at the bottom end of said borehole.

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METHOD OF SIMULATING FLUID FLOWS IN AN UNDERGROUND FORMATION COMPRISING A FRACTURE NETWORK

NºPublicación: US2023003102A1 05/01/2023

Solicitante:

IFP ENERGIES NOW [FR]

FR_3124869_PA

Resumen de: US2023003102A1

The present invention is a method of simulating fluid flows in an underground formation comprising a fracture network. A porosity model is constructed, comprising a first medium representative of an unfractured matrix, a second medium representative of fractures oriented in a first direction and a third medium representative of fractures oriented in a second direction orthogonal to the first direction. From at least the porosity model, flow parameters of a grid representation of the formation are determined, which include conduction and convection transmissibilities between two neighboring cells for the second and third media, as well as mass and energy exchanges by convection and conduction between each medium taken two by two for a single cell. Flows in the formation are simulated by f a flow simulator implementing the porosity model.

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COMPREHENSIVE UTILIZATION METHOD AND TEST EQUIPMENT FOR SURFACE WATER, GOAF AND GEOTHERMAL ENERGY IN COAL MINING SUBSIDENCE AREA

NºPublicación: US2023003123A1 05/01/2023

Solicitante:

UNIV SHANDONG SCIENCE & TECH [CN]

CN_113432322_A

Resumen de: US2023003123A1

The present disclosure provides a comprehensive utilization method and test equipment for surface water, a goaf and geothermal energy in a coal mining subsidence area. The method comprises the following steps: determining a geothermal water collection area, arranging heat energy exchange equipment in a main roadway, and arranging a geothermal water extraction system, wherein the geothermal water extraction system comprises geothermal wells, extraction pipelines and tail water reinjection pipelines, the extraction pipelines are connected with the heat energy exchange equipment, and the tail water reinjection pipelines are connected with a water outlet of the heat energy exchange equipment; arranging a water channel on the surface, and arranging a drainage system on a subsidence trough to guide surface water to flow underground; and controlling directional and ordered flow of surface water through the coal mining subsidence area formed by ground mining to achieve sustainable mining of underground water.

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TWISTED CONDUIT FOR GEOTHERMAL HEAT EXCHANGE

NºPublicación: US2023003421A1 05/01/2023

Solicitante:

JENSEN ROBERT [US]

Resumen de: US2023003421A1

A geothermal heat exchange apparatus is disclosed that includes a central conduit, a plurality of pipes, at least one fitting, at least one joint, a sleeve, and a weight. 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 weight can be included in the preassembled geothermal heat exchange apparatus or added after preassembly.

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MODULAR MOBILE HEAT GENERATION UNIT FOR GENERATION OF GEOTHERMAL POWER IN ORGANIC RANKINE CYCLE OPERATIONS

Nº publicación: US2023003200A1 05/01/2023

Solicitante:

ICE THERMAL HARVESTING LLC [US]

US_2022316456_PA

Resumen de: US2023003200A1

Systems and methods for generating electrical power in an organic Rankine cycle (ORC) operation include one or more heat exchangers incorporated into mobile heat generation units, and which will receive a heated fluid flow from one or more heat sources, and transfer heat therefrom to a working fluid that is circulated through an ORC unit for generation of power. In embodiments, the mobile heat generation units comprise pre-packaged modules with one or more heat exchangers connected to a pump of a recirculation system, including an array of piping, such that each mobile heat generation unit can be transported to the site and installed as a substantially stand-alone module or heat generation assembly.

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