Energía geotérmica

DOWNHOLE FLUID SEPARATION FOR DRILLING A WELL IN A HOT SUBTERRANEAN ZONE

Resumen de: US20260117609A1

A wellbore is drilled in a subterranean zone with a drill bit of a drilling string. The drilling string includes tubing and a fluid separator uphole of the drill bit. While drilling, a drilling fluid is flowed through an interior of the drilling string and through the fluid separator. The fluid separator separates, from the drilling fluid, a fluid stream having a higher water-to-oil ratio than a remainder of the drilling fluid Uphole of the drill bit, the fluid stream is diverted from the fluid separator to an annulus around the exterior of the drilling string based on a specified temperature of a drilling string component while the remainder of the drilling fluid flows from the fluid separator to the drill bit.

GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS

Resumen de: US2024425941A1

0000 A geothermally powered iron production subsystem includes using heat transfer fluid heated by a geothermal system with a wellbore extending from a surface into an underground magma reservoir. A hopper receives iron ore that is crushed and provided to a blast furnace, along with limestone and coke. The blast furnace is heated by a heat exchanger configured to receive the heat transfer fluid heated by the geothermal system to generate the heat provided to the blast furnace. One or more components of the iron production subsystem may also be powered by the heated heat transfer fluid.

SYSTEMS AND METHODS FOR GEOTHERMAL FOOD DEHYDRATION

Resumen de: WO2024259487A1

Described herein are systems and methods for food dehydration, the systems comprising a geothermal syphoning system, a line, and an enclosure. The systems described herein can be utilized for food dehydration and freeze-drying while using geothermal heated fluid, thereby having little to zero CO2 emissions, and no negative impact on the environment.

COMPRESSED GAS ENERGY STORAGE SYSTEM USING A GEOLOGICAL THERMAL STORE

Resumen de: WO2025006546A1

A compressed gas energy storage system which can also store thermal energy. The storage system can have a surface subsystem, a geological heat storage subsystem, and a compressed gas storage subsystem. The surface subsystem can comprise gas compression, gas expansion, and heat exchange functions. The geological heat storage subsystem can comprise a cold and hot zone in fluid communication with the surface subsystem. The compressed gas storage subsystem can also be in fluid communication with the surface subsystem. The systems and methods can be implemented in porous rock formations. This allows for the use of extremely large, natural formations rather than man-made salt caverns, as is the current state of the art. Existing wells drilled by oil and gas producers can be utilized, thereby drastically reducing cost and time for implementation. Further, use of sub-surface thermal management provides a complete solution for long term energy storage at high efficiency.

基于相变导热砂浆与数字孪生的地源热泵同轴换热管系统

Resumen de: CN121932753A

本发明涉及地下能源桩技术领域，具体是基于相变导热砂浆与数字孪生的地源热泵同轴换热管系统，包括由内外双层PE管构成的同轴换热管单元，其外层填充有相变导热砂浆；部署于桩体及周围土壤的多维传感器网络；以及数字孪生平台。所述数字孪生平台包括数据融合模块、热‑力耦合预测模块、残差反馈控制模块和三维可视化模块。本发明通过传感器网络实时采集温度、应变、热流及土壤温湿度数据；采用LSTM神经网络构建热‑力耦合主预测模型，并引入XGBoost算法进行残差修正，实现系统运行状态的分钟级预测；基于预测残差构建反馈控制机制，对热泵运行参数进行动态补偿；通过基于WebGL的Three.js技术实现系统三维可视化与交互控制。

一种表面敷设式能源管片系统的在线检测与维护方法

Resumen de: CN121933058A

本发明公开了一种表面敷设式能源管片系统的在线检测与维护方法，沿换热管道间隔设置分布式温度传感网络，实时监测换热管道表面的温度分布；在换热主管路和分支回路上分别设置流量与压力检测单元，实时监测流量和压力变化数据；在换热管道的转弯处和接口处设置振动与声学监测单元，实时监测换热管道的异常振动和声发射信号；沿管片间隔设置视觉增强检测单元，实时识别换热管道的表面图像数据；沿换热管道间隔设置电化学腐蚀监测单元，实时监测换热管道的腐蚀状态；通过物联网数据采集终端和混合通信网络单元接收并传输监测数据，监控单元基于监测数据进行融合分析，对换热管道进行故障判断和定位，实现对能源管片系统的在线检测和维护，稳定可靠。

一种应用于地热管线的长效防护方法

Resumen de: CN121916424A

本发明公开了一种应用于地热管线的长效防护方法，具体涉及地热能源开发应用技术领域，包括以下步骤：通过在线监测获取流体运行数据，对运行工况变化和水化学特性变化进行分析形成结垢趋势判断，依据判断结果生成控制参数，并在不改变埋地结构和输送状态的条件下实施内壁处理，处理完成后继续采集数据并对控制参数进行调整，形成循环执行的技术流程以实现流程闭合与持续运行控制管理逻辑框架；本发明通过在线监测与状态分析实现结垢趋势判断，依据判断结果生成控制参数并实施在线处理，在不影响地热管线正常运行的前提下降低内壁附着物结合程度，并通过数据反馈持续调整处理参数，增强防护连续性与运行稳定性。

多品位地热开采系统

Resumen de: CN121915948A

本发明为一种多品位地热开采系统，包括：至少一口单井回灌井，单井回灌井的底端位于水热型地热层，单井回灌井的底端设置单井筛管；地热采出井，包括底端连通的第一井段和第二井段，第一井段位于地面的开口为第一端口，第二井段位于地面的开口为第二端口；第一井段和第二井段至少部分位于岩热型地热层内；第一井段上与单井筛管相对的位置设置采出井筛管，第一井段上位于第一端口和采出井筛管之间设置第一单向阀；第一端口构成监测与调峰端；第二端口构成地热输出端。本发明通过采用梯次加热的方式，能够兼顾水热型地热资源和岩热型地热资源的有效开发，多品位地热开采系统施工过程中无需压裂施工，在技术上填补了单一品位地热开采技术的局限性。

一种建筑节能用多能互补装置及其工作方法

Resumen de: CN121916569A

本发明涉及建筑节能技术领域，具体为一种建筑节能用多能互补装置及其工作方法，包括设备间和地基，所述设备间处于地基的顶部，所述设备间的内部设置有多能源采集互补结构；所述多能源采集互补结构包括太阳能采集单元、地热能采集单元及空气能采集单元，所述太阳能采集单元栓接在设备间的顶部，所述地热能采集单元埋设在地基的内部，所述空气能采集单元安装在设备间内部的右侧，所述空气能采集单元的左侧依次设置有分级板式换热器和储水罐，所述空气能采集单元与分级板式换热器之间设置有多通阀。本发明提供了一种建筑节能用多能互补装置及其工作方法，具有能够实现多种能源高效集成、智能匹配、梯级利用的优点。

Surface geothermal heat-energy capture and storage system

Resumen de: GB2701178A

A geothermal system exchanges heat between ground which receives geogenic heat 1 from below and a target 7, comprises a continuous loop of heat exchange tubing 3 placed in a region of the ground and spaced below an upper ground surface. The heat exchange tubing receives a heat exchange fluid and a heat pump 4 transfers heat from the heat exchange tubing to the target. An insulating layer 2 spans the upper ground surface over the region of the ground to cover an area of at least 400 square metres. The insulating layer is formed of a synthetic heat insulating material having a total R factor of 30 or greater. The system may have a generator operated as an organic Rankine cycle to convert heat to electricity. The heat insulating material may be a porous plastic and may be arranged as an array of individually wrapped bales with drainage paths between adjacent bales. A layer of plant growing medium (6, Fig. 1) may extend over the insulating layer. A method of preparing the ground for a geothermal system is also claimed. Fig. 2

Modular electricity generator

Resumen de: GB2701226A

A device 226 including a source heat exchanger to transfer heat from a production fluid 228 to a working fluid, a turbine to generate electricity from a flow of the working fluid, and a sink heat exchanger to exhaust heat from the working fluid to an ambient liquid 224. The source heat exchanger may form part of a production fluid conduit 222. The sink heat exchanger may be corrosion resistant and the working fluid may include ammonia. The ambient liquid may be seawater and the device may be used to power a subsea control device. Figure 2

一种中深层变深度地埋管群布置方法及设计方法

Resumen de: CN121898024A

本发明属于地埋管地热供暖技术领域，涉及一种中深层变深度地埋管群布置方法及设计方法，地埋管群包含不少于3根地埋管，地埋管的深度范围为2000米至4000米，地埋管沿主导地下水流向或热负荷分布方向按照不同深度排列；地埋管的深度排列方式包括：浅‑中‑深‑中‑浅、深‑中‑浅‑中‑深；本发明通过在同一区域内将中深层地埋管设计为多个不同深度，交错排列形成立体换热结构，从而分散热干扰，改善热恢复效果，能够显著改善温度场分布，缓解冷堆积，有效提升地埋管群长期运行的可持续性与稳定性。

一种用于地热井筒的复合管、井筒结构及使用方法

Resumen de: CN121897289A

本发明涉及能源技术领域，尤其涉及一种用于地热井筒的复合管、井筒结构及使用方法，包括管体，所述管体包括上绝热段和下绝热段，所述下绝热段内沿轴向设有环形腔室，所述环形腔室用于隔热，所述上绝热段包括由内向外依次同轴设置的耐热塑材管层、隔热气凝胶管层和刚性管层。本申请将管体设置为上绝热段和下绝热段的结构设计，相较于传统的真空隔热管设计，上绝热段采用成本低的复合管结构设计，在满足结构强度要求的基础上，同时保证高温流体能够在较小的热损失下输送至地面，实现兼顾同轴套管式换热系统的低热损失和低成本投入要求，提升节能效果，为中深层地热“取热不取水”技术的高效落地提供关键支撑。

一种地热不凝气体无害化处理及热量回收系统

Resumen de: CN121898025A

本发明属于地热能技术领域，提出一种地热不凝气体无害化处理及热量回收系统，包括：第一换热部、气液分离部、气体处理部和第二换热部；气液分离部和第一换热部连通，气体处理部与气液分离部连通；第二换热部一端与气体处理部连通，其另一端与气液分离部连通，第二换热部输出端与第一换热部连通。通过在气体处理部进行点火，使其能够燃烧产生尾气，被第二换热部吸收，避免了不凝气体直接排放带来的环境污染，同时提高了生产安全性。

一种基于煤矿地热的分离式深层抽采利用装置

Resumen de: CN121898026A

本发明公开了一种基于煤矿地热的分离式深层抽采利用装置，涉及矿井地热能源开发技术领域。包括移动车座，所述移动车座上方安装有升降架，所述升降架下方设置有滑动框，所述滑动框内侧滑动连接有滑动杆，所述滑动杆两侧铰接有连杆，且连杆另一端铰接有传达板，所述传达板与滑动框滑动连接，所述升降架下方还设置有安装框。本发明通过启动升降架下方自锁伸缩杆可以推动滑动杆竖向运动，滑动杆竖向运动带动传达板运动推动限位块进行运动，限位块运动可以对滚轮的转轴进行固定，进而可以同时对不同高度的安装框进行固定，减少安装框受抽采泵影响滑动的情况发生，提高地热能抽取过程中的稳定性。

一种基于复合热交换管的建筑自然换热方法

Resumen de: CN121876598A

本发明涉及建筑节能与通风换热技术领域，公开了一种基于复合热交换管的建筑自然换热方法，采用包括金属管件和隔热管件的复合热交换管；金属管件和隔热管件的横截面均呈中空的圆环状结构；金属管件与隔热管件之间形成环形换热腔，环形换热腔用于实现不同气流之间的间接换热；复合热交换管具有以下两种结构配置形式，热交换结构甲：金属管件设置于隔热管件的外部；热交换结构乙：金属管件设置于隔热管件的内部；在建筑物顶部设置若干个热交换结构乙，其中包括：第一个热交换结构乙，其一端与建筑物内部连通，另一端与外界连通；第二个热交换结构乙，其离地设置于建筑物外侧，一端与室外空气连通，另一端与第一复合热交换管连通。

一种用于观测地热井回灌率的系统

Resumen de: CN121875712A

本发明属于地热资源监测技术领域，公开一种用于观测地热井回灌率的系统，包括主控单元及与其连接的数据采集、人机交互和通信模块。数据采集模块同步采集开采井与回灌井的流量、温度和压力数据。主控单元首先通过分析压力‑流速长时协变、温度‑流速中时响应及流速瞬时稳定性，综合计算流量数据的可靠性指数；并执行物理规则校验，当监测值与压力、温度反映的趋势相悖时判定为设备故障。基于高可靠性数据计算阶段回灌率，若不达标，则进行智能诊断：若数据可靠性低或存在设备故障，则报警指示测量异常；若数据均可靠，则报警指示疑似违规开采或回灌井堵塞。本发明提高了数据可信度与监管准确性，实现了异常根源的智能定位。

GEOTHERMAL ENERGY SYSTEM

Resumen de: AU2024355495A1

A system for geothermal heating, the system comprising a forced geothermal circuit disposed in a well bore. The system also comprise a well bore heat exchanger and an pump. The system may further comprise a circulation fluid and flux co-inverter. A method for geothermal heating, the method comprising passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; passing reservoir fluid into an annulus space; and passing the reservoir fluid through a sub-surface formation.

GEOTHERMAL WELL DIVERSION

Resumen de: US20260104183A1

Techniques for controlling tortuosity of fluid flow through a subterranean formation include introducing a diversion fluid into a wellbore, introducing a first fluid into the wellbore, collecting a second fluid from the wellbore or a second wellbore, and recovering heat from the second fluid. Techniques for increasing the likelihood that a fluid will absorb heat as it flows through rock fractures include introducing a first fluid into a first wellbore, introducing a particulate fluid into the first wellbore, collecting a second fluid from a second wellbore, and recovering heat from the second fluid. Techniques for recovering heat from a subterranean formation include observing a first parameter of a first fluid introduced into a first wellbore, observing a second parameter of a second fluid

SYSTEMS FOR GENERATING ENERGY FROM GEOTHERMAL SOURCES AND METHODS OF OPERATING AND CONSTRUCTING SAME

Resumen de: US12305621B2

The present disclosure describes a system and a method for generating energy from geothermal sources. The system includes an insulated injection pipe and a common well segment, an injection well and a production well, a first lateral section connected to the injection well and a second lateral section connected to the production well, a multilateral connector joining the first and second lateral sections, the insulated injection pipe coinciding with the common well segment, defining a pressure-tested loop within the rock formation and in a heat transfer arrangement therewith. The loop cased in steel and cemented in place. The loop to receive working fluid capable of undergoing phase change within the downhole well loop as a result of heat transferred from the rock formation. The system also includes a pump to circulate working fluid, a turbine system to convert the flow of working fluid into electricity, and a cooler.

一种土壤储冷热系统换热元器件套管机

Resumen de: CN110307657A

The invention discloses a soil cold and heat storage system which comprises a U-shaped well pipe heat exchange element going deep into soil, a mother pipe connected with the heat exchange element andsoil. The heat exchange element is filled with a heating medium and exchanges heat with the soil through the heating medium. The soil cold and heat storage system is characterized in that a heat insulation layer is arranged on the topmost section of the heat exchange element; a soil layer where a heat insulation casing pipe is located does not participate in cold and heat storage; then an isolation layer is formed between the soil cold and heat storage system and the ground surface; and the isolation layer is used for reducing heat conduction of the soil cold and heat storage system on the ground surface. By means of the soil cold and heat storage system, due to the existence of the isolation layer, heat losses of the soil cold and heat storage system are reduced, and the heat insulation effect similar to that of a heat insulation material layer laid above the soil cold and heat storage system is achieved; and in addition, the isolation layer is arranged for obtaining the heat insulation capability, the earthwork on the soil cold and heat storage system does not need to be excavated, backfilling of the earthwork is then conducted after laying of a heat insulation material, and bothof the work amount and the material cost of the system are saved by 90% or higher.

一种跨季节蓄热的地热能综合开发利用系统

Resumen de: CN121855304A

一种跨季节蓄热的地热能综合开发利用系统，涉及能源开发利用领域，在该系统中，本申请采用“地埋管‑相变套筒‑岩土体”的三层嵌套结构，其中相变套筒通过环形弹性骨架层提供结构支撑，通过柔性密封层与地埋管紧密贴合，通过柔性连接端实现分段连接。本申请的结构设计使得相变套筒能够有效适应相变材料在相变过程中的体积变化，避免结构失效；同时，柔性密封层与地埋管外壁形成密封接触，减小了传热接触电阻，提高了换热效率；此外，相变套筒沿轴向分段布置的模块化设计，便于系统在地热井中的安装和后期维护。

一种天然气水合物新型开发方法

Resumen de: CN121853988A

本发明提供了一种天然气水合物新型开发方法，利用地热储层作为天然、低成本热源，将作为载热流体的CO2充分加热后注入水合物储层底部，同时在上部实施降压开采，从而将地热激发、CO2置换与降压驱动三种机理在时间和空间上深度耦合、同步实施。这不仅为系统提供了持续稳定的热补给，有效抵消了降压分解导致的储层冷却效应，杜绝了冰堵风险，确保了开采的连续性；而且，注入的高温CO2与储层中建立的稳定压差协同作用，极大地加速了CO2与CH4的置换反应动力学过程，并驱动流体（热CO2、CH4、水）在储层内有效运移，显著扩大了反应波及体积和天然气水合物开采效率。

一种电热交互式盾构隧道抗沉降能量桩系统及其施工方法

Resumen de: CN121853607A

本发明涉及地铁隧道领域，尤其涉及一种电热交互式盾构隧道抗沉降能量桩系统及其施工方法。设置于地铁隧道中，包括埋设于地铁隧道的盾构管片外部的供热部，在供热部上设置有位于盾构管片内部的第一连接管道，在第一连接管道上连接有与供热部相连通的热泵部，在地铁隧道内设置有空调部，在空调部上设置有循环回路管路，在热泵部上连接有冷水连接管路和热水连接管路，冷水连接管路和热水连接管路均与循环回路管路相连通，在热泵部和空调部上共同连接有控制部；有效提高了地铁隧道、盾构隧道的抗沉降能力，并且建立了电能和地热能协调互补的能源供应体系，进而有效的利用了丰富的地热资源。

一种地热能和冷凝水耦合的供冷供热节能利用装置

Nº publicación: CN121854961A 14/04/2026

Solicitante:

中建三局第二建设安装有限公司中建三局第二建设工程有限责任公司

Resumen de: CN121854961A

本发明公开了一种地热能和冷凝水耦合的供冷供热节能利用装置，涉及到空调冷凝水循环利用技术领域，包括供冷供热组件与用于收集供冷供热组件冷凝水的升温冷凝水收集组件，所述升温冷凝水收集组件的输出端连接有埋于地下的地埋组件，所述地埋组件内部设置有过滤净化组件与排污组件，所述排污组件两侧均连接有用于清理过滤净化组件的清理组件；所述排污组件包括通过轴承转动设置于下壳体内侧的旋转轴，所述旋转轴顶端固定连接有通过轴承转动设置于上壳体内侧的往复螺杆。本发明可以在地下完成升温冷凝水的过滤净化，以避免在过滤过程中，室外空气使升温冷凝水降温，同时可以在清理完成后实现主动排污，避免清理与排污不便等缺陷。