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一种太阳能地热混合利用的储能蓄热罐

Resumen de: CN122328890A

本发明公开了一种太阳能地热混合利用的储能蓄热罐，涉及储能设备领域，包括：保温箱，底部设置有底座，保温箱内部用于盛放液体；储能机构，设置在保温箱内，储能结构的底部延伸至底座中，储能机构包括加热组件和控制组件，加热组件中包括导热座和沿竖直方向活动设置的吸热座，导热座设置在保温箱的顶部，导热座用于接收热能，当导热座与吸热座贴合时，吸热座能够对液体进行加热，控制组件包括移动架和电磁铁，移动架通过滑动管与吸热座连接，移动架上设置有气囊，当电磁铁通电时，电磁铁能够吸附移动架向下运动，使导热座与吸热座分离；该储能蓄热罐能够改善对热量的收集效率较差，热能难以快速收集在水箱的内部，影响热量的储存效果的问题。

CHEMICAL COMPOSITIONS FOR GEOTHERMAL WELL STIMULATION

Resumen de: US20260184983A1

A method, apparatus, system, and compositions for introducing diversion agents into a subterranean formation traversed by a wellbore with a heat transfer surface, including forming a first fluid comprising a diversion agent, introducing the first fluid into a region of the formation wherein the heat transfer surface is higher than if no agent were present, and introducing a second fluid for collecting heat from the formation. A method, apparatus, system, and compositions for introducing diversion agents into a subterranean formation traversed by a wellbore with a heat transfer surface, including forming a first fluid comprising a diversion agent, introducing the first fluid into a region of the formation wherein the formation is at least 350° F. and wherein the agent maintains its mechanical integrity at least 2 hours, and introducing a second fluid to the formation.

ENHANCED GEOTHERMAL SYSTEM

Resumen de: US20260185747A1

Systems and techniques may be used to operate an enhanced geothermal system (EGS). An example technique may include applying a stimulation treatment including a proppant to generate a distributed network of fractures along wellbores between a horizontal geothermal injection well and a horizontal geothermal production well. The horizontal geothermal injection well and the horizontal geothermal production well may be positioned within a mixed metasedimentary and igneous formation.

MANAGEMENT OF DRILL STRING TEMPERATURES

Resumen de: WO2026142915A1

Methods, systems, and computer readable storage mediums for managing downhole operations are disclosed. To manage downhole operations, the temperatures of various components of tools used in downhole environments may be taken into account. To preserve the life of the components of the tools, cooling flows may be used to retain temperatures of the components within operating ranges. By retaining the temperatures of the components within the operating ranges, the components may be less likely to become damaged, become impaired, and/or operate in undesired manners.

GEOTHERMAL REACTOR WELL

Resumen de: WO2025041108A1

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.

一种基于sCO2循环的煤矿地热提取发电与热电冷联产方法

Resumen de: CN122304951A

本发明公开了一种基于sCO2循环的煤矿地热提取发电与热电冷联产方法，包括：确定井下围岩取热区及地热钻井，设计循环管路及地表设备参数；在矿壁埋设换热管道形成降温回路，在地热钻井内安装换热器建立闭式水汽循环；沿立井及巷道敷设保温管路，连接井下换热器与地表耦合机组、ORC机组及换热机组形成闭式回路；在地表安装含压缩机、溢流阀、辅助泵、节流阀组及换热机组的耦合系统及传感器；向回路充注sCO2，利用井下热源与地表冷源温差形成热虹吸自循环；通过耦合机组调节工质压力、流量及温度，同时提取围岩低品位热量及地热井热量；地表高温sCO2驱动ORC发电，余热用于供暖，低温工质返回井下冷却巷道空气，实现发电、供暖、降温联产。

一种基坑式储能系统及其防冻控制方法

Resumen de: CN122315147A

本发明公开了一种基坑式储能系统及其防冻控制方法，涉及储能系统结构技术领域，通过将消防基坑与储能基坑相邻设置，并在套设于消防管外壁的主导热管一端连接风机，另一端延伸至储能基坑内部，从而能够利用风机将储能模组工作时产生的热空气抽吸至主导热管内，使热空气在流经主导热管时直接对内部的消防管进行加热，防止严寒天气下消防管内的水体结冰导致管道堵塞；同时，热空气流经主导热管后继续与消防基坑内的消防水进行热交换，提升消防水的整体温度，从而在无需额外热源的情况下，利用储能系统自身废热实现了消防系统的全面防冻保护，既节约了能源，又确保了消防系统在极寒环境下的可靠性和及时响应能力。

一种深立井工作面水害、热害防治与地热利用一体化方法

Resumen de: CN122304748A

本发明公开了一种深立井工作面水害、热害防治与地热利用一体化方法，涉及矿山建设工程领域。可以对立井工作面下方100m~200m范围内的围岩温度进行负能耗降温，同时也对深部围岩中高水压水害进行有效封堵。按以下步骤进行：步骤一：工作面钻孔及管道布置；步骤二：工作面以下高温水抽取；步骤三：地面热量提取；步骤四：地下水回注冲刷；步骤五：浆液制备；步骤六：注浆阶段。最终的效果是可以对立井工作面下方100m~200m范围内的围岩温度进行负能耗降温，同时也对深部围岩中高水压水害进行有效封堵。

多年冻土区铁路路基光热吸附式制冷装置及应用方法

Resumen de: CN122305661A

一种多年冻土区铁路路基光热吸附式制冷装置及应用方法，包括地上光热驱动与测控单元和地下相变换热单元。装置利用金属卤化物‑氨化学吸附循环，通过太阳能光热驱动解吸/吸附产生压力势差替代机械压缩机，实现全系统无运动部件、零碳排放。方法包括地质勘察与冷量评估、装置参数与工质对选型、基于变形控制的路基断面布设、施工调试、昼夜/季节多场耦合自适应运行及闭环反馈。本发明突破了传统热棒暖季休眠的限制，在暖季强制抽取冻土热量，寒季利用极低温强化制冷，形成“夏主动、冬强化”协同双效制冷，可抬升冻土上限、控制路基沉降在毫米级，适用于高原铁路工程，显著提升路基长期稳定性并降低运维成本。

一种用于废弃油气井的增强型地热系统构建方法

Resumen de: CN122305633A

本发明公开了一种用于废弃油气井的增强型地热系统构建方法，其特征在于，包括以下步骤：对目标废弃油气井进行测井与测试，评估井筒完整性、储层参数以及残留烷基化合物的类型、含量与空间分布；向所述储层注入点火剂与含氧气体，再注入高压氮气后进行点火，引燃所述残留烷基化合物以建立初始燃烧区；向可燃气体富集区注入氧化剂，与其中的可燃气体混合形成爆炸性混合物并将其引爆；通过所述裂缝网络，周期性地或连续地向储层内交替注入氧化剂与水蒸气，通过燃烧反应与气化反应对储层进行持续加热；停止注入氧化剂，通过注入井向所述人工热储空间注入低温工质，随后从生产井采出以进行热能利用；进而，本发明实现了废弃资源的原位能量升级与富集。

基于中心管闭式换热的热泵循环降粘装置及使用方法

Resumen de: CN122280534A

本发明涉及石油天然气开采技术领域，特别涉及一种基于中心管闭式换热的热泵循环降粘装置及使用方法。其技术方案是：中心管换热单元位于生产油管内，地面循环单元位于井口装置一侧；中心管换热单元的空心抽油杆柱内安装内置中心管，内置中心管的底部设有中心管底部封头，上侧的管壁上设有一个以上的中心管底部侧开孔；其有益效果是：通过热泵加热的换热工质通过地面循环泵沿着内置中心管下行到井筒内的空心抽油杆柱再沿着中心管底部侧开孔进入到内置中心管与空心抽油杆柱之间的环空上行到近地面处，闭式换热防堵循环，通过热泵技术和地热的利用，大幅降低了能耗，提高了安全性，有效的实现了防堵增产的功能，也减少了修井作业的次数。

一种冻融作用下裂隙岩石冻胀压力和冻融损伤的监测系统及方法

Resumen de: CN122282850A

一种冻融作用下裂隙岩石冻胀压力和冻融损伤的监测系统及方法。本发明涉及裂隙岩体损伤监测技术领域，公开了一种冻融环境下裂隙岩石冻胀压力和冻融损伤的监测系统，包括冻融循环系统、冻胀力压力监测系统、变形监测系统和声发射系统，冻融循环系统控制裂隙岩石所处的温度环境，模拟寒区岩体冻融过程，冻胀压力监测系统监测裂隙岩体冻融过程中裂隙面内冻胀力变化规律，变形监测系统实时采集裂隙岩石冻融过程中的变形数据，反映裂隙的扩展程度，声发射系统实时接收裂隙岩石中的声发射信号，监测裂隙岩体冻融过程中微裂纹的萌生、扩展过程。本发明不仅能够准确反映冻融过程中裂隙面内冻胀压力随温度的变化规律，还能实现冻融过程中裂隙岩体内部微裂隙扩展的三维动态监测，且便于操作，实用性强，测量精度高。

中深层地热开采结构及方法

Resumen de: CN122281474A

本发明公开了一种中深层地热开采结构及方法，涉及地热开采技术领域，包括位于同一场地内的注水井、出水井以及换热井，注水井与出水井均包括由地面依次向地层深处设置的第一竖直段、第一造斜段、第一斜直段、第二造斜段以及第二竖直段，换热井包括换热井竖直段、换热井造斜段、第一水平井分支以及第二水平井分支，换热井竖直段由地面向地层深处延伸，换热井造斜段设置于换热井的底端，第一水平井分支与第二水平井分支第一端均与换热井造斜段连通，第一水平井分支与注水井的第二竖直段连通，第二水平井分支的第二端与出水井的第二竖直段连通，换热井造斜段能够被封堵。本发明能够实现只换热不取水，并且占用地面施工场地较小，适用程度高。

CLOSED LOOP GEOTHERMAL SYSTEM AND METHOD

Resumen de: US20260176922A1

Embodiments presented provide for a system and method for heat extraction from geological stratum. In some aspects, a closed loop system is used to efficiently remove heat from marginal heat bearing stratum thereby allowing power production facilities to be located in expanded world-wide sitings.

DIRECT AIR CAPTURE USING GEOTHERMAL COOLING TOWERS

Resumen de: US20260177040A1

Systems and techniques may be used for incorporating direct air carbon dioxide capture capabilities into a working fluid condensing process of a geothermal power plant. An example technique may include causing, using fans, air to flow across condenser coils of a condensing unit, through which power cycle working fluid is circulated, and through a direct air capture (DAC) filtration component, which separates carbon from the air, capturing heat from a geothermal working fluid, and using the heat as thermal energy input to the DAC filtration component or using electrical energy generated from the geothermal power plant as electrical energy input to power the condensing unit and the DAC filtration component. The example technique may include gathering the carbon separated from the air to be injected into a geothermal reservoir or repurposed for another industrial process.

SOIL HEAT TRANSFER ENERGY STORAGE APPARATUS AND SYSTEM

Resumen de: WO2026130655A1

The apparatus (100) of the present invention is adapted to use the heat in the ground soil to convect air through an air chamber (18) in an insulated pipe or duct and enter a "hot box or hot plate" circular in shape or square shape or any shape for that matter to all of the dimensions and materials mentioned in the attached specification and drawings. The apparatus (100) is adapted to be piled or hand driven into the ground manually or by motorised pile connections with the help of helical shaped blade/blades (12) on the bottom of the heat transfer apparatus (100) downpipe (18). The heat from the ground soil of approx. (8) degrees to (12) degrees centigrade will enter the air chamber (18) in the heat exchanger and be transferred to the working / living space of any building.

GEOPRESSURE AND GEOTHERMAL POWER SYSTEMS

Resumen de: WO2026136260A1

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

EARTH TUBES

Resumen de: WO2026129040A1

A method and system for forecasting and optimizing the performance of earth tube air exchange systems using machine learning algorithms. The invention receives measured exit air temperature data across various annual periods and outdoor temperature ranges, determines predicted temperature differences across the earth tube, and provides these predictions to HVAC design or operation modules. The system refines its forecasts over time based on actual outcomes, generates alerts or recommendations when performance deviates from thresholds, and stores both forecasted and actual data for long-term analysis and optimization. This approach enables improved accuracy in system design, operation, and maintenance, resulting in enhanced energy efficiency and reliability.

Improvements to enhanced geothermal systems and methods

Resumen de: GB2702775A

A method of designing an enhanced geothermal system and characterising at least one fracture in an enhanced geothermal system. The enhanced geothermal system comprises at least one well combination of at least one injector well 20 and at least one production well 30. The method comprises forming at least one stage fracture 101 from at least one well of the well combination according to a fracture treatment design and injecting at least one tracer into the at least one stage fracture. The method comprising circulating fluid from at least a first well to at least a second well of well combination via the at least one stage fracture; wherein the circulated fluid carries at least one circulation tracer and collecting samples of fluid from at least one well and analysing tracer concentrations with respect to sampling time. The method comprises calculating at least one fracture characteristic from the analysis of the tracer concentrations. Figure 1

SYSTEM AND PROCESS FOR DIRECT LITHIUM EXTRACTION AND PRODUCTION OF LOW CARBON INTENSITY LITHIUM CHEMICALS FROM GEOTHERMAL BRINES

Resumen de: EP4764212A2

A system and process for direct lithium extraction from geothermal brines, and more particular to the sequential combination of a geothermal plant (200), a direct lithium extraction circuit (400), a lithium chloride concentration and purification circuit (600), and a lithium battery chemical processing circuit (800), for the production of lithium hydroxide monohydrate, lithium carbonate or both from geothermal brines. The processing circuits are powered by the electricity and heat produced by the geothermal plant without the use of carbon-based fuels. Non-condensable gases that may come out of solution from the geothermal brine are not emitted into the atmosphere.

一种耐高温高压的数字地热多参数协同测井系统及智能分析方法

Resumen de: CN122257791A

本发明提供了一种耐高温高压的数字地热多参数协同测井系统及智能分析方法，涉及数字化地热资源监测控制技术领域。本发明包括井下测井子系统、井口传输与供能子系统及地面数字处理与协同分析子系统。该系统在统一时钟与深度基准下实现温度、压力、流量与电性参数的同步采集，通过抗扰传输与纠错编码确保数据连续上行，地面端基于工况约束执行同井段配准和协同反演，自动生成分层温压流特征、渗透性表征及井筒完整性指标，实现从数据获取到智能决策的闭环，提高地热井测井精度与智能化水平。

A SMART MULTI-ENERGY COMPLEMENTARY BUILDING ENERGY SUPPLY SYSTEM BASED ON SOLAR ENERGY AND GROUND SOURCE ENERGY

一种源网荷储耦合地热梯级利用系统

Resumen de: CN122237191A

本发明公开一种源网荷储耦合地热梯级利用系统，通过抽取地下高温地热水至高温地热水池，地热水经分配后为多级换热装置和热电发电机高温端提供热源；地热水沿多级换热装置梯级流动释热，前两级换热装置直接为对应储热水箱及热负荷端供能，末级换热装置搭配高温热泵提取低品位热能，为低温热负荷端供能，同时热电发电机利用高低温水池的温差实现发电，所产生的电能储存于蓄电池后，为系统设备供电，构建自供电闭环；地热尾水排入低温地热水池作为热电发电机冷源后，经回灌井全量回灌，有效解决了传统地热利用热能效率低、依赖外部电网、热储层保护不足等问题，实现了地热资源的梯级高效利用、系统自发自用与热储层可持续保护，大幅提升供能稳定性。

三源耦合式复合能源热泵系统及其控制方法

Resumen de: CN122237210A

本发明公开了一种三源耦合式复合能源热泵系统及其控制方法，涉及复合能源利用与智能控制领域，解决现有系统能源耦合维度单一、控制策略简单、无法多目标动态寻优的问题。系统包含太阳能换热模块、空气能换热模块、地热能换热模块及动态调度控制模块；控制模块采集各模块运行参数与用户负荷，基于注意力机制深度神经网络模型，计算三种能源动态贡献权重，生成太阳能主导、地热能稳定、空气能辅助、三源混合最优经济四种耦合运行模式，控制各模块协同工作。模型经离线预训练与在线微调优化，系统还通过闭环反馈实现控制策略动态修正。本发明实现三能源智能动态协同调度，提升系统综合能效与运行经济性，增强环境适应性和运行稳定性。

一种用于地热能源桩的混凝土及其制备方法

Nº publicación: CN122233737A 19/06/2026

Solicitante:

浙大宁波理工学院

Resumen de: CN122233737A

本发明公开了一种用于地热能源桩的混凝土，所述混凝土的原料包括胶凝材料、细骨料、粗骨料、拌合水及减水剂；以所述胶凝材料的总重量为100重量份计，各组分用量为100重量份的胶凝材料、165‑185重量份的细骨料、210‑230重量份的粗骨料、32‑38重量份的拌合水以及1.0‑1.3重量份的减水剂；所述胶凝材料包括水泥、矿粉、粉煤灰、活性氧化镁和活性氧化铝微粉；所述粗骨料包括经碱液热活化预处理的堇青石骨料。本发明能够降低热膨胀系数，满足桩基的承载要求，有效抵抗因温度循环在骨料‑浆体界面产生的应力。