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DIFFUSOR FOR GENERATING STEAM IN A BOREHOLE

Resumen de: EP4800322A1

0001 Herein a diffusor (6) designed to be positioned within a borehole (4) for generating steam comprising: - a supply pipe (2) for supplying liquid having a supply capacity, the supply pipe (2) comprising a free end (2') and a plurality of supply pipe openings (18 18') arranged at the free end; - a diffusor element (12) comprising diffusor element openings; - a protection barrel (10) designed to be arranged around the free end (2') and the diffusor element (12); - at least two pressure sensitive elements (20, 20', 20'') is disclosed. 0002 The supply pipe (2) is connected to the diffusor element (12) via the at least two pressure sensitive elements (20, 20', 20''), the supply pipe openings (18, 18') varying in size in that the size of the supply pipe openings (18, 18') are decreasing towards the free end (2'), wherein the supply pipe openings (18, 18') are designed for handling a capacity that is 3 to 6 % above the supply capacity of the supply pipe (2) and wherein the diffusor element openings are distributed over the diffusor element (12), the diffusor element openings being designed for handling a capacity that is 6% to 12% above the supply capacity of the supply pipe (2).

A PRESSURE SENSITIVE ELEMENT AND A GEOTHERMAL PIPING SYSTEM

Resumen de: EP4800321A1

0001 Disclosed herein is a pressure sensitive element (2, 2', 2a, 2b, 2a', 2b') for geothermal applications, comprising: - a shell (4, 4', 4a, 4b, 4a', 4b') enclosing a three-dimensional space, the shell (4, 4', 4a, 4b, 4a', 4b') comprising a wall (6a, 6b, 6a', 6b') having a wall thickness, the wall being made of temperature resistant and elastic material, and - a compressible and/or expandable, pressure-sensitive fluid arranged within the shell (4, 4', 4a, 4b, 4a', 4b'). 0002 The shell (4, 4', 4a, 4b, 4a', 4b') is designed to allow expansion or contraction in a first direction (A) upon external pressure change, as seen on a cross sectional plane cut through the shell (4, 4', 4a, 4b, 4a', 4b'). The cross sectional plane is parallel with the first direction (A) and wherein the first direction (A) is determined by a wall thickness of the shell (4, 4', 4a, 4b, 4a', 4b'), which is chosen to be smaller than the wall thickness of the shell (4, 4', 4a, 4b, 4a', 4b') in other parts, at least along a partial length (L) of the wall (6a, 6b, 6a', 6b') in the cross sectional plane.

基于数字孪生的地热供暖系统动态优化方法及相关设备

Resumen de: CN122672300A

本发明属于地热供暖技术领域，公开了一种基于数字孪生的地热供暖系统动态优化方法及相关设备；其中，所述方法包括交互数字孪生模型获得实时系统运行参数，实时系统运行参数包括物理监测数据，基于需求侧不确定性权重和供给侧不确定性权重对物理监测数据进行加权分析，根据加权分析结果对实时系统运行参数进行动态调整，得到初始调整系统运行参数，对初始调整系统运行参数进行若干次方向性调整，获得目标系统运行参数，基于目标系统运行参数对目标地热供暖系统进行动态优化；本发明解决了传统地热供暖系统因依赖固定运行策略而导致的能效低下与供暖质量不佳的问题。

一种集成性地埋管地源热泵系统及其控制方法

Resumen de: CN122670556A

本发明公开一种集成性地埋管地源热泵系统及其控制方法，系统含地下换热回路、循环工质、地源热泵及控制系统，地下换热回路的核心换热单元自上而下设分流调节段、输热储能段、高效换热段，高效换热段为灯笼状笼形换热器，由中央支撑管和外周周向均布的多根细径换热管构成；出水管设红外线温感设备并与控制系统相连，控制系统根据目标温度与实际回水温度的差值、温度变化率，动态调整细径换热管开启数量。本发明笼形结构换热器使换热管束与土壤的接触面积增加数倍，显著提升单位井深换热量；通过改变参与换热的细径换热管数量，实现地下换热网络流通面积与换热面积的连续可调，改变换热器内工质的流速分布与流态，提升对流换热系数与换热效率。

一种基于环境感知的地热能室内温控系统及其自适应调节方法

Resumen de: CN122670470A

本发明提供一种基于环境感知的地热能室内温控系统及其自适应调节方法，方法包括以下步骤：获取室内外环境参数集，将所述环境参数集输入至预先训练好的可逆神经网络预测模型，预测未来预设时间窗口内的室内温度变化趋势，得到温度预测曲线；判断所述温度预测曲线在未来第一触发时间内是否指示室内温度将超出预设的舒适温度区间，若是，则触发多目标优化过程，以室内舒适性指标与系统能耗指标为优化目标，对地热循环流量设定值和辅助热源功率设定值进行寻优，获得优化调节参数集。通过引入可逆神经网络预测模型对未来室内温度变化趋势进行预测，并基于预测结果提前触发多目标优化过程，将传统的被动反馈控制转变为前馈与反馈融合的智能控制。

一种地热回灌装置

Resumen de: CN122670541A

本申请公开了一种地热回灌装置，属于地热工程技术领域，包括：罐体内设第一分割板以划分罐体内腔为上内腔与第二内腔，上内腔连接输入管，第二内腔内底设若干驱动件，中空通管第一端传动连接驱动件输出端，中空通管第二端转动连接第一分割板并连通上内腔，输出通管第一端延伸至第二内腔中，输出通管第二端与输出组件连接，中空通管侧壁设有若干孔径自中空通管第二端向第一端逐渐增大的过滤网孔，输出通管侧壁设有若干自输出通管第二端向第一端逐渐减小的输出孔。本申请提出的地热回灌装置，通过分区离心实现对沉降与分离效果的增强；通过孔径大小的创新设计，在分层过滤的基础上，实现对地热回灌装置整体效率及杂质过滤效果的提升。

二氧化硅垢抑制剂

Resumen de: WO2021021860A1

Industrial water such as in a geothermal unit is stabilized against silica polymerization and flocculation by using a combination of inhibitors including a nonionic polyether and a monomeric polycarboxylate.

一种浅层和中深层地热能冷热储利用系统

Resumen de: CN122650531A

本发明涉及地热能利用技术领域，特指一种浅层和中深层地热能冷热储利用系统，包括有余冷余热系统和热泵，余冷余热系统和热泵之间连接有外管系统、内管系统和环形管系统；外管系统包括有外管和串联于外管上的外管阀体，外管伸入至地层底部，以密封地层，防止循环流体进入地层；内管系统包括有内管和串联于内管上的内管阀门，内管伸入至外管中，且内管伸入至地层的中深层处，内管的底部与地层底部存在间隙，以输送循环流体；环形管系统包括有环形管和串联于环形管上的环形管阀门，环形管伸入至外管和内管之间，环形管伸入至地层的浅层位置，以传递能量；在不同的工况下，调整外管阀体、内管阀体和环形管阀体以实现地层热能的提取和/或利用。

一种光伏-地热互补耦合供能优化调度方法

Resumen de: CN122652974A

本发明涉及数据采集系统与智能调度控制领域，具体公开了一种光伏‑地热互补耦合供能优化调度方法。该方法构建包含光伏发电、地热能转换、冷热电联产及储能装置的热力学模型，基于全年气象与负荷数据，采用多目标仿生优化算法离线生成帕累托最优解集；通过知识蒸馏训练学生神经网络模型，部署于边缘端实现实时调度决策，动态调节各单元功率分配；并引入在线性能评估与闭环反馈机制，支持多时间尺度协同与异常工况自适应切换。本发明通过上述技术方案，提升系统火用效率、经济性与环境效益的协同水平，实现秒级响应与长期运行稳定性。

一种中深层地热U型管耦合浅层地热制冷储冷系统

Resumen de: CN122650560A

本发明涉及可再生能源利用技术领域，特指一种中深层地热U型管耦合浅层地热制冷储冷系统。通过浅层套管结构与中深层U型管的耦合设计，无需分别构建浅层和中深层独立系统，减少高密度建筑区域的占地面积，降低开发与维护成本；借助阀门组件切换可实现循环流体定向流动，冬季能通过中深层U型管高效提取地热资源满足热用户需求，夏季通过浅层套管结构利用地热能制冷并为冷用户供冷，还可通过余冷、余热系统实现冷热能跨季节存储，缓解中深层热能衰减和浅层冷热不平衡问题，提升能源利用效率。本发明能有效解决现有地热能系统占地大、开发成本高、能源利用效率低、热能衰减及冷热不平衡的问题，同时适配不稳定可再生能源的消纳需求。

一种异型截面中深层同轴地埋管及其优化设计方法

Resumen de: CN122650533A

本发明属于地热能源开发与利用技术领域，涉及一种异型截面中深层同轴地埋管及其优化设计方法，地埋管为由外管和内管共同构成同轴套管结构，外管的横截面为非圆形的异型截面，异型截面的形状包括：椭圆形、水滴形、具有多个凸起部的多瓣形，优化设计方法包括：地质与运行参数获取、三维高保真数值模型建立、参数化与目标定义、自动寻优与方案生成；本发明通过异型截面引导流体充分扫掠高温管壁，并最大化垂直渗流方向的换热面积，有效降低了“热短路”损失，增加了从岩土体中的净取热量，因此本发明能够显著提升取热效率与长期性能。

集成地下储热的槽式太阳能与超临界二氧化碳单井增强型地热冷热电系统

Resumen de: CN122650532A

本发明公开了一种集成地下储热的槽式太阳能与超临界二氧化碳单井增强型地热冷热电系统，属于综合能源系统与可再生能源高效利用技术领域，包括膨胀机、发电机、供热换热器、喷射器、蒸发器、增压泵、井管外壁、压裂岩体、聚光集热器及连接管路，所述井管外壁深入岩石层形成地热井，所述井管外壁内部设有保温管，所述压裂岩体位于地热井底部，所述聚光集热器通过连接管路与循环工质通道连接，所述膨胀机与发电机连接，所述膨胀机通过连接管路分别与供热换热器、喷射器连通，所述喷射器通过连接管路与增压泵连通，所述增压泵通过连接管路与井管外壁和保温管形成的环空连通。

一种中深层地热能智慧控制平台

Resumen de: CN122650534A

本发明涉及地热能利用技术领域，且公开了一种中深层地热能智慧控制平台，采集单元用于数据单元，能源单元用于能源提供，分析单元用于计算出综合温度ZW，模式单元用于模式切换，调节单元调节房间内阀门的开度，健康单元用于设备的健康值JK计算，交互单元用于人机交互，控制单元用于控制采集单元、能源单元以及模式单元运行；本发明通过设置采集单元与分析单元，采集太阳辐射、室外温度等参数，并计算出综合温度ZW，模式单元根据ZW值自动切换高温模块、中温模块、低温模块及制冷模块，实现太阳能、地源热泵、空气源热泵的多能源系统动态协同运行效果，进而提高对环境的自适应能力和能源利用效率，避免能源浪费与响应延迟。

HYBRID SOLAR ENERGY PLANT WITH HEAT-POWERED COOLING

Resumen de: WO2026178366A1

A system may include a solar collector including a photovoltaic (PV) module, wherein the solar collector is configured to convert a first portion of sunlight to solar thermal energy and a second portion of the sunlight to solar electrical energy. A system may include a thermal cycle generator configured to generate electrical energy from a temperature difference between a hot working fluid and a cold working fluid, wherein the hot working fluid receives solar thermal energy from the solar collector. A system may include a heat driven refrigeration unit configured to receive at least a portion of the solar thermal energy via a hot working fluid to cool the cold working fluid.

Geothermal Well Method and System

Resumen de: US20260251356A1

0000 In various aspects of the invention, the following are provided: a process of creating a geothermal well in high-temperature, impermeable rock is provided, a geothermal well in high-temperature, impermeable rock; a process of operating a geothermal well; a packer; and a process for creating a seal in an anulus between a cylinder and a borehole located in a target zone in high-temperature, impermeable rock.

SYSTEMS, PROCESSES, AND MODELING METHODS FOR DRILLING IN HOT DRY ROCK USING SUPERCRITICAL OR DENSE PHASE CARBON DIOXIDE

Resumen de: US12018863B1

0000 Systems and processes for dry hot rock drilling operations using sCO<2 >expanded across one or more downhole J-T valves or chokes to cool MWD components. Methods of modeling same.

A DEVICE FOR SEALING A CHAMBER IN A WELLBORE, AND RELATED SYSTEMS AND METHODS

Resumen de: WO2025081275A1

A connector for coupling a well string with a liner hanger, Includes a body, a coupler, and a seal assembly. The body has a length, a thickness, a first end, a second end, and a longitudinal axis. The coupler is operable to releasably secure the connector with a liner hanger, when the connector's body is inserted into the liner hanger to an anchor position. The seal assembly is operable to releasably seal the connector's body with the liner hanger, when the body is inserted into the liner hanger, and includes a seal and an actuating ring. The seal has a length along the body's longitudinal axis, an inside surface located a distance away from the body's longitudinal axis, and an outside surface located a distance away from the body's longitudinal axis that is greater than the distance of the inner surface from the longitudinal axis. The actuating ring compresses the seal when the connector's body is inserted into the liner hanger to the anchor position, to urge the seal to simultaneously contact the body and the liner hanger. To withstand the high-temperature and high-pressure environment often found in geothermal wells, the connector may be made of metal, such as such as AISI 4140 steel, 13 chrome steel, 13Cr-110 chrome steel, 17 chrome steel, 22 chrome steel, 40Cr13 chrome steel, 25 chrome steel, and/or Inconel.

一种土木工程施工用预警装置

Resumen de: CN122629834A

本发明提出了一种土木工程施工用预警装置，涉及环境安全监测设备技术领域。包括：预警桩，预警桩的顶部设置有安装座，安装座上设置有用于监测地质数据和传输预警的监测组件，预警桩的侧面设置有竖直测量槽，竖直测量槽内设置有多个温度测量探针；预警桩内设置有竖直管腔，预警桩的底部周侧设置有换热板，竖直管腔的上下两端通过设置导热结构分别与安装座和换热板连接，竖直管腔内设置有相变工质用于转移热量；竖直管腔的内壁设置有多个挡片组，多个挡片组上下层叠设置，挡片组包括多个倾斜挡片，多个倾斜挡片均匀设置在竖直管腔的内壁周侧；与现有技术相比，其可以有效应对反复冻融的低温环境，对冻胀位移与滑坡位移进行判断，避免错报误报。

一种防热突破的地热井组动态回灌调控方法及系统

Resumen de: CN122630780A

本公开提供一种防热突破的地热井组动态回灌调控方法及系统，所述方法包括：根据地热井组的实时运行数据构建当前控制周期的运行状态向量；根据运行状态向量确定各回灌井对各生产井的温度响应系数以及压力响应系数，并根据温度响应系数和压力响应系数构建井间干扰矩阵；根据运行状态向量、井间干扰矩阵和井组结构参数，预测在未来预设时间内各生产井的热突破预测结果；根据热突破预测结果确定目标控制策略；根据执行目标控制策略后的地热井组的实时运行结果与热突破预测结果之间的偏差，更新井间干扰矩阵。本公开能够预测各生产井的热突破预测结果并动态调节目标控制策略，维持生产井采出温度稳定并延缓或避免热突破发生。

一种应用于地热交换的换热设备

Resumen de: CN122630796A

本发明公开了一种应用于地热交换的换热设备，属于热交换技术领域，包括热泵机组、连接在热泵机组上的外接件和连接在外接件上的换热件，换热件包括导热管、导热翅片、内管和导流桨叶，内管同轴分布在导热管的内部，内管的外壁和导热管的内壁之间构成热交换介质流通的通道，实现热交换介质在导热管的内部定向输送，内管的外壁和导热管的内壁之间沿轴向等间距固定有多组导流桨叶，用于对导热管内部流动的热交换介质扰流。本申请通过内管贴合导流、导流桨叶扰流混合、反向螺旋结构应力平衡及三层隔热内管多重防护，综合实现了换热效率与均匀性提升、管体结构稳定性增强以及轴向热损失与输送过程热量散失的有效抑制。

一种浅层地热结构及其稳压换热方法

Resumen de: CN122630781A

本发明公开了一种浅层地热结构及其稳压换热方法，属于浅层地热能利用与两相传热装置技术领域，包括地表构造层、重力热管阵列以及稳压换热装置；地表构造层包括结构层和隔热层，隔热层位于结构层的下方；重力热管阵列包括多条阵列分布的热管单元，每条热管单元均包括彼此连接的蒸发段和冷凝段，蒸发段用于输入工质，冷凝段位于结构层内；稳压换热装置包括压力采样组件和充装补气组件，压力采集组件用于采集热管单元内的压力，充装补气组件用于基于压力采样组件的检测结果，向热管单元内补充工质。本发明能够提高重力热管的传热效率和效果，且其流程可复制、测量抗扰性强、热量路径可控，适用于浅层地热取热的工程化部署与运行维护。

一种深部地热井下换热链条构建及系统优化方法

Resumen de: CN122634805A

本发明公开了一种深部地热井下换热链条构建及系统优化方法，具体包括以下步骤：步骤S1、建立分层地质参数数据库，划定核心地质参数取值范围，搭建地质参数子链条基础层；步骤S2、搭建井筒结构与材料参数子链条载体层，所述井筒结构包括同轴管和U型地埋管；针对同轴管、U型地埋管两类井下换热管型分别建立差异化参数优化体系，设计埋管参数；步骤S3、构建流体参数子链条介质层，优化循环工质、循环流量及流态运行；步骤S4、建立地面耦合系统参数子链条介质层。通过构建覆盖地质、井筒结构与材料、流体、地面耦合系统四大维度的深部井下换热链条，明确了12项核心参数的影响规律、权重与合理取值范围，从根本上解决了参数体系碎片化问题，为工程设计提供了统一的、科学的参数基准。

一种地热回灌井调剖与脉冲解堵序贯作业的方法及系统

Resumen de: CN122610806A

本发明涉及一种地热回灌井调剖与脉冲解堵序贯作业的方法及系统，方法包括六个步骤：使回灌井具备高压井口装置；通过分层测试识别大孔道层段和堵塞段；注入成胶强度不超过500Pa的交联聚合物凝胶封堵大孔道，验收合格后进入下一阶段；通过同一高压井口以周期性高压脉冲方式注入解堵液进行近井带解堵；注入阻垢缓蚀保护液并恢复回灌；评价改造效果并建立长期监测。系统包括数据感知单元、加压单元、智能决策单元、调驱作业接口单元和防垢处理单元，以动液位变化为主反馈量实现回灌压力自适应调节，当回灌能力恶化时自动触发所述序贯作业。本发明在防止热突破和保护地层骨架的前提下系统性提升回灌能力，使得地热井回灌率经改造后可达100%。

A GEOTHERMAL HYDROGEN PRODUCTION AND COMPRESSION SYSTEM

Resumen de: US20260242246A1

The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.

GEOTHERMAL POWER SYSTEMS AND PROCESSES

Nº publicación: US20260243234A1 20/08/2026

Solicitante:

SAGE GEOSYSTEMS INC [US]
Sage Geosystems Inc.

Resumen de: US20260243234A1

0000 A geothermal power system is configured to convert pressure energy of a geothermal fluid into electricity using a first generator, and convert heat energy of the geothermal fluid into electricity using a second generator. The first generator is coupled to a turbine, through which the geothermal fluid passes. The second generator is coupled to an expander of a binary cycle power plant. A working fluid of the binary cycle power plant is heated by the geothermal fluid before passing through the expander. The geothermal fluid is produced from a subterranean formation. In some aspects, the geothermal power system is operated such that a fracture located in the subterranean formation is maintained in an open condition.