Energía geotérmica

中深层地热能供热系统及运行方法

Resumen de: CN121655144A

本发明提供了一种中深层地热能供热系统及运行方法，该装置包括同轴套管换热器、回热器、第一压缩机、第一冷却器、节流阀组和热泵循环模块，同轴套管换热器包括外管和内管，回热器与内管出口连通，热泵循环模块包括蒸发器和第二冷却器，回热器与蒸发器连通，蒸发器的吸热侧出口通过节流阀组连通至外管入口；供暖侧回水管路排出的流体分为两股并分别流向第一冷却器和第二冷却器；节流阀组包括并联设置的第一节流阀和第二节流阀，第一节流阀用于在内管出口处的流体温度大于预设阈值时开启，第二节流阀用于在内管出口处的流体温度小于等于预设阈值时开启。本发明可以提升对地热能的利用效率，满足城市集中供热的一次热网温度要求。

一种煤矿采空井老空水地热资源化利用方法及系统

Resumen de: CN121655142A

本发明涉及地热资源利用技术领域，具体涉及一种煤矿采空井老空水地热资源化利用方法及系统，利用方法包括：获取采空井中老空水的可采热参数，构建老空水地热子系统；构建中深层地热子系统；构建太阳能集热子系统、光伏驱动的水源热泵子系统；以老空水地热利用为核心、中深层地热子系统、水源热泵子系统和太阳能集热子系统耦合补热而进行多能互补供暖，为园区的零碳供暖提供保障；设计跨季节热平衡调控系统；通过物联网技术监测各系统运行过程；结合大数据分析与人工智能算法实现各系统的智慧运行、智能决策及故障预警，本发明开发了废弃矿井中老空水地热利用的新工艺，建立了园区建筑零碳供暖系统，实现了废弃矿井的资源化与无害化治理。

一种强制对流井下取热系统和方法

Resumen de: CN121655140A

本申请实施例公开了一种强制对流井下取热系统和方法，系统包括取热分支井、注入分支井、地热井井筒换热器和井下强制换热循环组件，在使用过程中，将外界流体供给到地热井井筒换热器内，与地下热流进行换热，完成换热的外界流体被采出到地面利用，在取热分支井内或周侧的地下热流与地热井井筒换热器内的外界流体完成换热后，开启井下强制换热循环组件将取热分支井之内和/或周侧的低温地下流体抽送到注入分支井处，使得取热分支井内和/或周侧的地下流体量减少，在压差作用下，地层内的地下热流会自流到取热分支井处。基于本申请实施例提供的强制对流井下取热系统无需将地下热流引至地上，能够在不开采地层热流体的情况下高效开发地层热能。

一种中深层地热高效开发装置

Resumen de: CN121655141A

本发明公开一种中深层地热高效开发装置，包括主井，还包括沿轴向设置在主井内的取热装置；取热装置包括同轴套设的外管组件和内管组件，外管组件与内管组件之间形成过流通道；外管组件包括由上向下同轴连通设置的孔口管、上段表层套管、下段表层套管、无孔套管和滤水管；孔口管和无孔套管设置在非取水地层内，滤水管设置在取水地层内；内管组件包括由上向下依次同轴连通设置的取水主管、保温泵管、第一保温管、插接管、承插管和第二保温管。本发明将潜水泵安装在第一保温管内，配合内管组件，在以水热型方式开采中深层地热时，实现了深层地热开采时地热水不与浅部低温地层接触和上流期间的全程保温，大大减少深部地热水与浅部低温地层的换热量，提高了取热功率。

一种中深层地源二氧化碳高效热能采集与转换系统

Resumen de: CN121655143A

本发明提供一种中深层地源二氧化碳高效热能采集与转换系统，所述中深层地源二氧化碳高效热能采集与转换系统包括地热井和地面能量枢纽模块，地热井包括内流道以及外流道；地面能量枢纽模块包括压缩机组、用户侧换热器、流路控制阀组和节流组件，流路控制阀组设有多个接口，地热井、压缩机组、用户侧换热器和节流组件与对应的接口连通，其中，流路控制阀组通过切换内部流道，使得多个接口以第一方式导通从而形成供暖模式，或者，使得多个接口以第二方式导通从而形成制冷模式。本发明实施例的中深层地源二氧化碳高效热能采集与转换系统，实现了地热资源的全年利用，提升了地热井的利用率。

一种地源热泵系统多工况协同控制与垂直地埋管施工方法

Resumen de: CN121654801A

本发明涉及地源热泵工程技术领域，具体公开了一种地源热泵系统多工况协同控制与垂直地埋管施工方法，包括垂直地埋管施工与系统多工况控制：施工阶段通过经纬仪精准定位，4m×4m间距孔位；150mm钻头钻孔，深度103m（100m有效+3m通孔）；双U管试压下管，1.5MPa试压、分离定位管卡固定；原浆回填，实时监测压力，确保施工质量；控制阶段通过冬季供热：热泵台数按温度与负载率调节，夏季供冷：系统切换依据排热量与土壤温度，蓄能：低谷电蓄热/蓄冷的协同控制，降低能耗。本发明解决了现有地埋管施工不实、系统工况切换低效的问题，提升换热效率15‑20%，降低能耗25‑30%，适用于建筑地源热泵项目。

GROUND-SOURCE THERMAL SYSTEM FOR REJECTING DATA CENTER WASTE HEAT TO A FACILITY

Resumen de: US20260075761A1

A method of operating a thermal system includes receiving a data center heat with a downhole fluid, the data center heat generated by at least one heat generating electronic component of a data center. The method also includes exchanging heat between a facility and the downhole fluid via a ground-source heat pump (GSHP) to fulfill at least a portion of a thermal load of the facility. The method further includes maintaining a thermal balance of the downhole fluid with a borehole heat exchanger (BHE) implemented in a borefield.

METHODS FOR FORMING PATHWAYS OF INCREASED THERMAL CONDUCTIVITY FOR GEOTHERMAL WELLS

Resumen de: US20260071785A1

Methods for forming pathways of increased thermal conductivity in a geothermal well are disclosed. The pathways increase heat transfer efficiency in a closed loop geothermal operation. The methods comprise injecting a thermally conductive material into the annular space between a conduit in the wellbore and the formation; forming a fracture in the formation and filling it with the thermally conductive material; and putting the well in an underbalanced state and drawing the thermally conductive material back towards a port in the conduit that is in an excluded configuration to create a pathway of increased thermal conductivity. The thermally conductive material may comprise a fluid carrier and solid particles having a high thermal conductivity.

SURFACE GEOTHERMAL HEAT ENERGY CAPTURE AND STORAGE SYSTEM

Resumen de: US20260071762A1

A geothermal system exchanges heat between a target and ground which receives geogenic heat from below. Heat exchange tubing in a continuous loop within the ground receives a circulated heat exchange fluid. An insulating layer spans over the ground with a greater footprint than the continuous loop in the ground below. The insulating layer may cover an area of land of at least 400 square metres and may be formed of a synthetic heat insulating material such as recycled plastic materials so that the insulting layer has a total R factor of 30 or greater. A heat pump is operable to transfer heat from the heat exchange tubing to the target for extracting the geogenic heat from the ground for heating the target in cold seasons, and transfer heat from the target to the heat exchange tubing for storing excess heat from the target to the ground in warmer seasons.

THERMAL SYSTEM WITH EXHAUST HEAT EXCHANGER

Resumen de: US20260071775A1

A thermal system for providing thermal conditioning to a facility includes a facility air circuit for circulating a facility air throughout the facility and a downhole fluid circuit for circulating a downhole fluid. The facility air circuit is thermally connected to a heat pump for exchanging heat with the facility air. The downhole fluid circuit includes the heat pump for exchanging heat with the downhole fluid, a main loop, including a borehole heat exchanger (BHE) for exchanging heat between the downhole fluid and a geological formation, and an exhaust loop including an exhaust heat exchanger coupled to an exhaust of the facility air circuit, wherein the exhaust loop is configured to circulate at least some of the downhole fluid through the exhaust heat exchanger to exchange heat between the downhole fluid and an exhaust flow of the facility air exhausted from the facility at the exhaust.

CONCRETE PIPE HAVING AT LEAST ONE REINFORCEMENT, METHOD FOR PRODUCING A CONCRETE PIPE HAVING AT LEAST ONE REINFORCEMENT, AND USE OF AT LEAST ONE PART OF A REINFORCEMENT OF A CONCRETE PIPE

Resumen de: WO2026052337A1

The invention relates to a concrete pipe (1) having at least one reinforcement (2). In order to make it possible to carry heat away from the concrete pipe (1) more cost-effectively, the reinforcement (2) is formed at least partially by at least one fluid line for conducting a heat transfer fluid.

DEPLOYMENT OF GEOTHERMAL SYSTEM TECHNOLOGY

Resumen de: WO2026055602A1

The present disclosure relates to systems and methods for geothermal energy systems utilizing multi-well pads to target multiple formation benches. In some examples, a geothermal energy system utilizes a multi-well pad (904) at a surface location to drill a set of horizontal wells (916,918,920,922,924,926,928,930) that extend from the surface location into a basement formation, targeting different formation benches in the basement formation. By targeting different formation benches of the basement formation from the same multi-well pad (904), the geothermal energy system achieves and maintains high production temperatures without thermal decline and reduces the environmental footprint of the geothermal energy system.

BOOSTING WELL PERFORMANCE IN GEOTHERMAL SYSTEMS

Resumen de: WO2024249453A1

Methods and systems are provided for extracting thermal energy from a conventional geothermal reservoir. One aspect involves drilling or accessing a production well that intersects the conventional geothermal reservoir, and detonating at least one linear shaped charge to enlarge or open a naturally-occurring fracture of the conventional geothermal reservoir at the intersection of the naturally-occurring fracture and the production well, which reduces pressures loss of fluid flow into the production well from the naturally-occurring fracture. The reduction in pressure loss can increase fluid flow into the production well to increase the amount of captured heat. The detonation of the linear shaped charge(s) can increase aperture size of at least one naturally-occurring fracture at a wellbore surface.

GEOTHERMAL AND GEOPRESSURE RECOVERY SYSTEMS

Resumen de: AU2024265722A1

A geothermal power system includes a pressure exchanger fluid ically coupled to a heat exchanger. A first fluid enters the pressure exchanger at a first inlet, and flows in a first fluid path to a first outlet. The first fluid flows from the first outlet to the heat exchanger, where the first fluid heats a second fluid. The first fluid flows from the heat exchanger to a second inlet of the pressure exchanger. The first fluid flows in a second fluid path through the pressure exchanger to a second outlet. A pressure of the first fluid reduces as the first fluid transits through the pressure exchanger along the first fluid path. A pressure of the first fluid increases as the first fluid transits through the pressure exchanger along the second fluid path. The first fluid flows from the second outlet to a turbine which drives a generator.

一种缓解热堆积地铁能源桩群的方法

Resumen de: CN121629975A

本发明公开了一种缓解热堆积地铁能源桩群的方法，沿每个能源桩的深度方向间隔分布温度传感器，用于监测桩能源桩的垂向温度梯度，在能源桩群区域的土体内布设土体温度传感阵列，用于监测土体温度，以建立能源桩群周围土体温度场的立体检测网，在每个能源桩的进水支管上设置独立调节阀，用于独立调节对应能源桩的流量，将能源桩群划分为若干控制区域，在每个控制区域内能源桩的进水或回水干管上设置区域调节阀，用于同步调节对应控制区域内所有能源桩的流量，控制器基于土体温度，调节区域调节阀的工作状态，调节能源桩群各控制区域的换热差异，并基于能源桩的垂向温度梯度，调节独立调节阀的工作状态，调节单个能源桩的换热差异，缓解热堆积效应。

Closed Geothermal System and Control with Geothermal Source Heat Storage Tank

Resumen de: KR20260032843A

지열원축열조를 구비한 밀폐형 지열시스템 및 제어에 관한 것으로, 냉난방부하가 장시간 저부하 운전시에도, 시스템의 브라인 순환에 이용되는 대유량 지열원펌프의 연속가동으로 전기에너지 소비량이 히트펌프가 생산열량 보다 많아 시스템 에너지효율 또는 성적계수가 매우 낮게 운용되게 된다 따라서, 에너지효율 또는 성적계수 제고를 위하여 지열원축열조와 소유량 지열원펌프와 브라인펌프를 이용하여 부하에 따른 교번 및 대수 제어로 전기에너지 절감과 시스템 장수명화를 구현시키고저 한다.

能源桩（柱）多层换热热力耦合计算方法

Resumen de: CN121637882A

本发明公开了一种能源桩（柱）多层换热热力耦合计算方法，涉及地热能利用技术领域。该方法通过获取能源桩、岩土体的分层热物性与力学参数，采用分层传热模型对能源桩及其周边瞬态温度场进行数值模拟；推导考虑非均匀各向异性介质的格林函数并对所述瞬态导热模型进行求解，获得所述计算域内任意时刻的温度场分布并计算能源桩桩身的温度应力；通过建立荷载传递模型和桩‑土接触面的剪切模型，获得桩身轴力、位移及桩‑土侧摩阻力并对能源桩的换热性能和力学安全性进行综合评估。本发明弥补了现有技术在分层介质和复杂相互作用方面分析的不足，显著提高了能源桩设计的精度和可靠性，为优化能源桩系统设计、结构安全提供了科学依据。

一种同层异段地热取灌方法及相关设备

Resumen de: CN121631594A

本申请公开一种同层异段地热取灌方法及相关设备，涉及地热开发技术领域，所述方法包括：获取多个地热井的测井数据，所述地热井为取水井或回灌井，所述测井数据包括渗透率；将所述渗透率与四类热储层评价标准进行匹配，得到匹配结果；根据所述匹配结果进行计算得到取灌分析结果；根据所述取灌分析结果对所述回灌井和所述取水井的工作状态进行控制，所述工作状态包括不同层段的开启状态或关闭状态。

Geothermal air conditioning system that reduces the load on the underground heat exchanger

Resumen de: KR20260033172A

본 발명은 각 지중열교환기가 갖는 온도에 따라 개방량을 제어함으로써 신속한 열교환과 함께 냉난방 부하의 사용량이 소량일 때 이에 대응되게 유체의 유량이 제어될 수 있도록 하는 지열 공조 시스템에 관한 것으로, 지중에 매립된 상태로 유체를 열교환시키며, 입수관 및 출수관이 각각 환수헤더 및 공급헤더에 연결된 복수개의 지중열교환기; 상기 환수헤더 및 공급헤더와 연결되며, 상기 지중열교환기를 거쳐 열교환된 유체가 저장되는 축열탱크; 상기 축열탱크로부터 열교환된 유체가 공급되는 복수개의 히트펌프; 상기 축열탱크, 지중열교환기 및 히트펌프와 연결되며, 히트펌프의 부하가 설정 부하 이상일 때 유체를 순환시키는 메인순환펌프; 상기 축열탱크, 지중열교환기 및 히트펌프와 연결되며, 히트펌프의 부하가 설정 부하 이하 일 때 유체를 순환시키는 서브인버터순환펌프; 및 상기 지중열교환기로 환수되는 유체의 열교환을 위해 상기 출수관의 개방량을 선택적으로 제어하거나 또는 히트펌프들의 유체 공급을 선택적으로 제어하는 열교환제어부;를 포함한다.

一种地热井筒温度场分布式光纤监测风险预警系统

Resumen de: CN121611993A

本发明涉及地热测试技术领域，尤其涉及一种地热井筒温度场分布式光纤监测风险预警系统，包括：用以将水注入井中完成热交换后向上返回并通过地热井口装置后进入地面利用设施的动力单元，用以测量质量流量、流出温度、注水温度、阶段水温和地表温度并计算归一化热提取效能指数和热阻平均值参数的测量单元，用以基于归一化热提取效能指数和热阻平均值判定地热井筒温度场是否符合标准及判定不符合标准的原因的监测单元，用以针对相应参数进行调节或发出对应通知的调节单元。本发明有效实现了对地热井筒温度场进行精准监测和实时调节，有效提升了对地热井筒温度场的监测效率。

一种新型基坑支护用能源管桩及其施工方法

Resumen de: CN121611115A

本发明属于建筑施工技术领域，提供一种新型基坑支护用能源管桩及其施工方法，该结构包括桩体、热交换管组件、管体连接装置、管体联通装置和供水装置。其设置的桩体的结构可以抵抗基坑外侧的土压力，同时设置的热交换管组件可以完成地源热泵系统的地下换热作用，针对城市项目工期短、空间紧的痛点，实现空间复用和施工增效的要求。减少支护桩、地埋管分体施工的设备、人工投入，减少支护结构完工后废弃造成的资料浪费，同时产生的能量可服务于城市日常，减少碳排放量，实现安全可靠，节能低碳，经济功效的三重效果，符合当前建筑业绿色化、集约化的发展趋势。

CLOSED-LOOP GEOTHERMAL AND HEAT PUMP SYSTEMS

Resumen de: AU2024334048A1

A method includes determining a specified demand as a function of time of thermal energy from a heat exchanger of a heat pump. The heat pump is configured to transfer thermal energy to the heat exchanger from a geothermal working fluid circulating in a closed-loop geothermal well. The closed-loop geothermal well includes a first surface wellbore extending from a terranean surface to a geothermal subterranean zone, a second surface wellbore extending from the terranean surface to the geothermal subterranean zone, and plurality of connecting wellbores connecting the first surface wellbore to the second surface wellbore The heat output from the heat exchanger is controlled to meet a specified demand by adjusting at least one of a flow rate or inlet temperature of the geothermal working fluid in the closed-loop geothermal well.

GEOTHERMAL REACTOR WELL

Resumen de: AU2024329434A1

A geothermal reactor well system includes a closed-loop well coupled to one or more sources of reactants. The closed-loop well includes a first surface wellbore extending from a terranean surface to a geothermal subterranean zone and a second surface wellbore extending from the surface to the zone. A plurality of connecting wellbores connect the first surface wellbore to the second surface wellbore. At least a portion of the connecting wellbores are sealed against communication of fluids with the surrounding geothermal subterranean zone. A carrier fluid is disposed within the closed-loop well. The closed-loop well is configured so heat energy from the geothermal subterranean zone and/or reaction of reactants in the closed-loop well drives the fluids in the closed-loop well to circulate by thermosiphon and to thereby carry the reactants through the closed-loop well for the reaction and carry a product of the reaction through the closed-loop well for collection.

SYSTEMS AND METHODS FOR DOWNHOLE POWER GENERATION

Resumen de: US20260063017A1

In some implementations, a pipe may be disposed in a wellbore drilled to a subterranean geothermal heat source. The pipe may define a fluid pathway adapted to allow fluid to travel along the fluid pathway proximate to the subterranean geothermal heat source. The pipe may include a plurality of thermoelectric devices that are configured to generate an electric current using a Seebeck effect based on the fluid and one or more environments proximate to the pipe. At least one environment may include the subterranean geothermal heat source.

Betonrohr mit wenigstens einer Bewehrung, Verfahren zum Herstellen eines Betonrohrs mit wenigstens einer Bewehrung sowie Verwendung von wenigstens einem Teil einer Bewehrung eines Betonrohrs

Nº publicación: DE102024125367A1 05/03/2026

Solicitante:

REISS VOLKER [DE]
Rei\u00DF, Volker