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CHEMICALLY ENHANCED GEOTHERMAL ENERGY SYSTEMS AND METHODS

Resumen de: US20260318565A1

A system and method for harnessing geothermal energy. A method includes injecting a chemical reactant through a chemical injection well toward a reaction zone associated with a downhole reservoir or formation; causing an exothermic reaction at the reaction zone between the chemical reactant and water present at or introduced to the reaction zone, thereby increasing heat within the downhole reservoir or formation; and recovering, through a recovery well, a heated stream comprising at least one of hot water, steam, or gas from the downhole reservoir or formation for surface heat extraction.

SYSTEM AND METHOD OF MONITORING FRACTURING IN GEOTHERMAL SYSTEMS

Resumen de: WO2025119900A1

The invention provides a method and system of characterising at least one fracture in an enhanced geothermal system. The method comprises arranging two or more tracer sources with distinct tracer materials in known levels of a production well of the enhanced geothermal system. The method comprises injecting at least one tracer into the at least one fracture in an injection well, producing fluid in the production well, collecting samples of produced fluid and analysing the samples for the presence and/or concentration of tracers. Based on the presence and/or concentration of tracers in the samples estimating at least one characteristic of the at least one fracture.

地热资源不确定度量化评估方法、系统、设备及介质

Resumen de: CN122905192A

0001 本发明属于地热资源勘查评价技术领域，公开一种地热资源不确定度量化评估方法、系统、设备及介质，所述方法包括：从热红外影像提取地表温度异常；以该异常、断层距离和岩石圈厚度为特征，经正则化回归得到预测热流栅格及统计不确定度；构建多层岩石圈热参数结构，经参数扰动正演获取岩性参数不确定度；构建带丢弃层的物理信息神经网络，多次前向传播获取模型不确定度；将三种不确定度合并为综合不确定度，基于综合不确定度、自适应可靠性距离阈值和百分位截断归一化后的有利度评分进行资源靶区分级。本发明实现了遥感面数据、散点实测和物理约束的协同融合，可使地热资源分级受全链路不确定度约束，适用于区域至勘查尺度的地热靶区决策支持。

一种中深层地热全工况自适应换热系统及方法

Resumen de: CN122900185A

本公开的实施例提供一种中深层地热全工况自适应换热系统及方法，系统包括：多工质切换井下换热模块、多级重力热管辅助强化换热模块、自适应密封与防腐防护模块、集群井热干扰感知与调控模块、源网荷储一体化协调控制模块以及全工况能效优化与故障诊断模块；本发明通过设置多工质切换井下换热模块，能够根据不同的地层温度条件和用户负荷需求，在多种换热工质之间进行自动切换，实现了不同工况下的最优换热效果，显著提高了系统在全工况范围内的能效水平，解决了单一工质系统适应性差的问题。

用于地源热泵地埋管的固定管架

Resumen de: CN122900186A

本发明公开一种用于地源热泵地埋管的固定管架，固定管架包括回填管拼装机构及地埋管拼装机构；回填管拼装机构包括两个回填管拼装模块，两个回填管拼装模块的第一拼接贴合面均设置有第一半圆弧型管孔，两个回填管拼装模块拼装完成后，相对的两个第一半圆弧型管孔组合形成回填管固定孔；回填管拼装模块的第二拼接贴合面均设置有第二半圆弧型管孔；地埋管拼装机构包括至少一个地埋管拼装模块，地埋管拼装模块的拼接贴合面设置有两个第二半圆弧型管孔，地埋管拼装机构与回填管拼装机构拼装完成后，相对的两个第二半圆弧型管孔组合形成地埋管固定孔。本发明可实现单/双U型地埋管全场景适配，降低使用成本，解决注浆浮力导致U型地埋管上浮问题。

一种煤矿禁煤改造下基于多源耦合的零碳供能系统及方法

Resumen de: CN122908125A

本发明公开了一种煤矿禁煤改造下基于多源耦合的零碳供能系统及方法，涉及煤矿禁煤改造技术领域；包含热负荷监测系统、太阳能供电监测系统、现有能源供能系统、PLC智能控制系统、供暖末端系统五大子系统；所述PLC智能控制系统分别与热负荷监测系统、太阳能供电监测系统、现有能源供能系统各执行设备、供暖末端电性连接，以PLC智能控制系统作为统一调度中枢，搭配全域热负荷监测网络、储能模块、分区供暖末端，形成“负荷‑能源‑供电”三位一体耦合闭环系统；各子系统硬件独立、数据互通、联动调控，根据矿区实时热负荷动态分配三类地热热源供热占比，同步匹配光伏实时发电量与储能电量，保障全时段稳定零碳供暖，完整替代原有燃煤锅炉。

基于温度恢复优选页岩焖井时间的方法

Resumen de: CN122904597A

本发明公开了一种基于温度恢复优选页岩焖井时间的方法，涉及页岩气开发技术领域。该方法包括：进行岩心焖井测试，以岩心在预设焖井时长中最高、最低温度差值作为温差、焖井结束时的岩心渗透率为等效渗透率，建立等效渗透率‑温差变化图版；建立三维地质模型与地质力学模型并进行压裂‑焖井‑生产一体化数值模拟；模拟不同焖井时间下开井生产过程，采用定压生产的方式模拟开井生产预设采气时长的累产气量，建立焖井时长‑累产气量曲线，以增产速率低于预设阈值的焖井时间作为最优焖井时间。本发明系统量化了焖井时间对储层基质物性的影响，建立了以温度为纽带的焖井时间确定标准，有利于制定合理的焖井时间从而提高压裂增产效果。

一种利用浅层地下水蓄能的乡村民居生态降温系统

Resumen de: CN122900118A

本发明涉及浅层地热能利用领域，公开了一种利用浅层地下水蓄能的乡村民居生态降温系统，包括浅层地下水井、封闭式换热容器、水流循环系统、空气循环系统和换热装置：所述封闭式换热容器设置于乡村民居旁侧的浅层地下区域，所述封闭式换热容器内部形成蓄水换热空间，其上部设置隔热结构；换热装置，设置于封闭式换热容器中，所述换热装置包括水平布置于封闭式换热容器内的S形空气换热管道，所述S形空气换热管道的外壁设有多个沿管道轴向间隔布置的环形换热肋。本发明专利利用浅层地下水作为稳定冷源，使空气换热过程不依赖于较大埋深的地下管道，降低施工开挖要求，提高乡村民居降温系统的经济性和适用性。

一种地热井下强化换热经济高效开发方法

Resumen de: CN122900187A

本发明公开了一种地热井下强化换热经济高效开发方法，包括以下步骤：中深层地热井地质参数与换热边界条件勘测，超临界CO2同轴套管井下换热结构初步设计，超临界CO2大尺度垂直圆管流动与传热规律建模，超临界CO2运行参数量化关系拟合与循环泵功率优化，多级构型超长重力热管结构设计与传热模型构建，高导热低成本金属涂层成分、结构与制备工艺优化，地热井井下密封与防腐体系集成施工，集群式地热井匹配调度规则建立，一体化换热系统运行调控与性能迭代优化；本发明通过揭示超临界CO2大尺度垂直圆管流动传热规律、构建多级构型超长重力热管传热模型，换热功率较传统单一套管换热提升，彻底解决中深层地热井超长井深换热效率低的问题。

一种地下车站空调负荷前馈补偿方法及相关装置

Resumen de: CN122900160A

本发明公开了一种地下车站空调负荷前馈补偿方法及相关装置，属于城市轨道交通节能控制技术领域，方法包括：实时采集地下车站各围岩深度点的温度值，根据温度值计算表征当前蓄冷或蓄热程度的围岩热势指数；根据围岩热势指数及地下车站的空气温度，实时评估围岩与空气之间的动态换热能力值；将动态换热能力值作为空调系统机械制冷或机械制热负荷的前馈补偿项，当未来时域内车站冷负荷或热负荷将增加时，根据前馈补偿项提前调节空调系统运行参数，进而利用围岩蓄冷、蓄热能力进行预冷或预热，有效削减高峰时段机械制冷、制热功率，实现附加节能率，且实施成本低、易于推广。

一种地热换热系统

Resumen de: CN122900184A

本发明公开了一种地热换热系统，涉及地热换热技术领域，其技术要点包括底部连通预制管件和若干同轴管单元，底部连通预制管件和同轴管单元均包括同轴设置的内管和外管，内管和外管的内壁均沿轴向开设有若干沿圆周均匀分布的校准槽道；同轴管单元的内管和外管下端均设置有若干沿圆周均匀分布且与校准槽道一一对应配合的同轴校准结构，本发明通过同轴校准结构与校准槽道实现内外管同步自导向、自定心校准，无需外部夹具或测量工具，并在管单元自重及气压驱动下联动完成机械锁紧与双重密封，避免额外焊接或螺栓固定，从而简化操作、缩短校准时间、降低对人员经验的要求，同时有效防止工质泄漏，确保换热系统长期稳定高效运行。

一种高地温矿井后退式矿-热协同开采方法

Resumen de: CN122899424A

本发明涉及地热开采的技术领域，具体涉及一种高地温矿井后退式矿‑热协同开采方法，包括以下步骤：步骤S1，以上山为起点沿煤层底板向下钻孔，步骤S2，在上山底板与下部承压水热储层之间的钻孔内下入套管，在套管底部连接筛管；步骤S3，将输水管自上山穿入钻孔内，使输水管沿套管和筛管延伸至开采阶段边界；步骤S4，在工作面推进过程中，在上山进行输水管抽拉，使输水管末端位于开采工作面下方，利用热储压力实现自流或引流开采，使地热水沿输水管输送至矿井外部。牵引输水管与工作面同步前移，实现“采煤到哪、抽采到哪”，提升开采与抽采的协同性与高效性，解决了煤炭开采与地热水抽采相互干扰难题。

LIQUID COMPOSITION, GEOTHERMAL WELL COMPRISING LIQUID COMPOSITION AND METHOD FOR PREPARING LIQUID COMPOSITION

Resumen de: FI20255331A1

Disclosed is a liquid composition for transferring heat in a geothermal well, the liquid composition comprising ethanol (EtOH); and potassium formate (KFo); wherein a mixture of the ethanol (EtOH) and the potassium formate (KFo) is dissolved in a solvent.

一种基于煤矸石的地热利用系统

Resumen de: CN122881243A

本发明公开了一种基于煤矸石的地热利用系统，涉及煤矿固废资源化利用与地热综合回收技术领域，该系统包括：积热感知模块、热管取热模块、梯级换热模块、储热调峰模块及终端供热模块；该发明通过构建闭环联动运行体系，实现各模块参数实时同步与协同调控，精准捕捉热场变化，定向提取积热，规避安全风险，提升精准性与效率，达成积热提取与安全管控双重目标；对积热品位分级、场景化定向分配，避免资源浪费，挖掘能源价值，依托储热调峰平抑负荷波动，提供稳定热源，实现煤矸石固废资源化高效利用，推动煤炭行业固废处理与清洁能源开发融合。

一种中低温地热耦合高温热泵的工业蒸汽制备系统

Resumen de: CN122881034A

本发明涉及工业蒸汽制备技术领域，具体为一种中低温地热耦合高温热泵的工业蒸汽制备系统，包括超高温高效离心式热泵机组、蒸发侧循环泵、两级水蒸汽压缩系统、旋流除砂器、水处理系统、冷却系统和密封系统，所述旋流除砂器设置于中低温地热水的入口管路上，用于对中低温地热水进行除砂处理，且旋流除砂器处理后的中低温地热水分为第一地热换热支路和第二地热换热支路。该中低温地热耦合高温热泵的工业蒸汽制备系统，实现地热资源的梯级利用和低碳供热，中低温地热预热和超高温高效离心式热泵机组制汽二者耦合可构建一种清洁、高效的工业蒸汽制备系统，实现地热能的深度利用与化石燃料的替代，无直接燃烧排放，仅消耗电力。

冷凍サイクル装置

Resumen de: WO2026204951A1

The purpose of the present invention is to provide a refrigeration cycle apparatus capable of suppressing a decrease in comfort even when the amount of heat collected from underground decreases. A refrigeration cycle apparatus (1) comprises: air conditioning units (11a, 11b); a heat medium (12) supplied to the air conditioning units (11a, 11b); an underground heat exchanger (13) that exchanges heat between the heat medium (12) and soil (2); an air heat source unit (14) that exchanges heat between the heat medium (12) and outside air; and a control device (15) that controls the air conditioning units (11a, 11b) and the air heat source unit (14). The control device (15) has: a capacity acquisition unit (151) that acquires the required capacities of the air conditioning units (11a, 11b); a heat collection upper limit acquisition unit (152) that acquires an upper limit collection amount of heat that can be collected by the underground heat exchanger (13) from said soil (2); and an operation determination unit (153) that compares the required capacities and the upper limit collection amount of heat to determine whether or not to operate the air heat source unit (14).

一种基于废弃油井改造的稠油热采系统及方法

Resumen de: CN122880460A

本发明提供一种基于废弃油井改造的稠油热采系统及方法，所述基于废弃油井改造的稠油热采系统包括热源井，热源井为废弃油井，热源井内部安装超长重力热管；超长重力热管包括外管和设置在外管内部的内管，外管和内管之间形成环形空间，超长重力热管底部位于热源井的地热层段，超长重力热管顶部伸出地面，设有蒸汽出口和工质回注口，工质回注口与工质储罐连接，超长重力热管内腔充注有二氧化碳工质；蒸汽出口与气液分离缓冲罐的入口连接，气液分离缓冲罐的出口与蒸汽压缩机的入口连接，蒸汽压缩机的出口通过注气管道与稠油生产井的注气口连接。本发明还提供一种采用所述基于废弃油井改造的稠油热采系统的稠油热采方法。

一种多级构型超长重力热管地热换热方法

Resumen de: CN122881242A

本发明公开了一种多级构型超长重力热管地热换热方法，包括以下步骤：地热储层地质参数勘测与换热边界条件建模，热管结构参数与工质参数匹配设计，蒸发段多级工质精准分配结构构建，气液两相流动与相变传热数值模拟优化，热管井下安装防腐与密封预处理，热管下入与地热分段取热启动，两相流动状态实时监测与动态调控，集群式热管协同换热优化，余热梯级利用与系统能效闭环调控，本发明通过多级缓冲液池与开式液槽协同的工质精准分配结构，实现冷凝回流工质的分布式输送与均匀分配，从根源上避免蒸发段底部积液积聚，消除积液对沸腾相变的抑制作用，使热管蒸发段全程保持高效沸腾换热状态，取热功率较传统超长重力热管提升。

DIAGNOSTIC SYSTEM DIRECTLY CONNECTED TO A GEOTHERMAL SUBTERRANEAN FORMATION

Resumen de: AU2025257595A1

An apparatus, system, and method for using a tracer in a geothermal energy recovery operation including introducing the tracer into a subterranean formation, introducing a heat recovery fluid into the formation, collecting the fluid from the formation, measuring the concentration of the tracer in the fluid, and reporting results of the measuring within 24 hours. The measuring may use an instrument such as a gas chromatograph, a mass spectrometer, or a liquid chromatograph. In some embodiments, the collecting, measuring, and reporting occur within 200 yards of each other. Some embodiments may use a computer to control the collecting, measuring, and reporting and may record the time of the collecting and measuring the tracer concentration. Reporting the measurement results may include remote communication. Collecting the fluid may include flowing the fluid through a multiplexing valve that may also introduce calibration gas, blank gas, carrier gas, or a combination.

TEMPERATURE MANAGEMENT OF DOWNHOLE TOOLS

Resumen de: US20260309023A1

In a drilling string comprising drill bit and a ranging tool, an arrangement of insulated drill pipe among other drill pipe in the drilling string is configured based on a performance/temperature relationship of the ranging tool. A characteristic of a flow of fluid through the drilling string is configured based on the performance/temperature relationship of the ranging tool while the drilling string is in a wellbore and the ranging tool is being operated to determine the location of the wellbore relative to another wellbore.

DIHYDROGEN PRODUCTION USING GEOTHERMAL ENERGY

Resumen de: WO2026209361A1

System (1) comprising a dihydrogen production installation (3), a geothermal installation (2) and an installation (4) configured to transfer heat from a geothermal fluid (9) supplied by the geothermal installation (2) to an inlet stream (8) feeding the dihydrogen production installation (3). Method for implementing this system (1).

Geothermal Heat Exchangers and Related Installation Apparatuses, Systems, and Methods

Resumen de: US20260309371A1

0000 The presently claimed and described technology provides geothermal heat exchangers and related apparatuses, tools, systems, and methods that facilitate economical installation of the heat exchangers. The heat exchangers may be installed using a penetrator that is driven into ground by a driving assembly. The driving assembly may drive the penetrator via a central drill string or drill rod and/or by overlapping driving members of alternating orientation. Tubes of the heat exchangers may be configured in a helical configuration and/or a straight configuration and/or be configured with an extended tube-to-tube spacing. Such extended tube spacing reduces tube-to-tube thermal conduction and increases tube-to-ground thermal conduction and thereby increases efficiency, effectivity, etc. of the geothermal heat exchanger. Sheathing may be positioned around the tubes for protection during installation. The sheathing and/or the driving assembly may place grout and/or other material around and or adjacent the tubes. A housing may be positioned around a fluid return portion of the heat exchanger tubing, and fluid passages may deliver fluid into the ground to facilitate penetration and/or to backfill grout during withdrawal. A removable sheath may be positioned around the tubing and selectively retained and released to permit sheath retrieval while leaving the tubing installed.

GEOTHERMAL ENERGY SYSTEM

Resumen de: US20260309372A1

A system for geothermal heating comprising: a forced geothermal circuit in communication with a well bore; a well bore heat exchanger; a multilateral channel; a channel casing design; and a pump. A method for geothermal heating comprising: passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; heating the fluid; passing the heated fluid through a multilateral channel comprising a multilateral channel design casing; and passing a reservoir fluid and the fluid into a heat exchanger. A method for a loop recovery process comprising: passing a circulation fluid into a system for geothermal heating; passing the circulation fluid into a well bore heat exchanger; heating the circulation fluid; passing the heated circulation fluid out of the system for geothermal heating; passing the heated circulation fluid through a heat exchanger of an organic Rankine cycle; and cooling the circulation fluid.

水処理装置および水処理方法

Resumen de: JP2026155301A

【課題】本発明は、装置の大型化、コスト増加および処理フローの煩雑化の問題を回避しながら、処理が一時的に停止しても金属管の腐食を抑制できる、水処理方法および水処理装置を提供する。【解決手段】水処理装置５０Ａは、地下水Ｗ１の熱を利用するための熱交換部１２と、熱交換部１２への地下水Ｗ１の導入を制御するための熱交換部入口バルブＶ１と、熱交換部１２からの地下水Ｗ１の導出を制御するための熱交換部出口バルブＶ２とを備え、熱交換部１２は地下水Ｗ１が流れる熱交換配管Ｌ２を有し、熱交換配管Ｌ２の第１の端部が熱交換部入口バルブＶ１と接続され、熱交換配管Ｌ２の第２の端部が熱交換部出口バルブＶ２と接続されている。【選択図】図１

スケール防止・抑制効果の評価方法及び評価システム

Nº publicación: JP2026157425A 06/10/2026

Solicitante:

東洋エンジニアリング株式会社

Resumen de: WO2026203884A1

The present invention enables the effects of scale prevention and suppression in a geothermal power plant to be evaluated more rapidly. Provided is a method for evaluating the effects of preventing and suppressing scale adhesion in a geothermal power plant (100), the effects of preventing and suppressing scale adhesion being evaluated using a scale sensor device (120) that detects the degree of scale adhesion to the surface of a sensing unit by immersing the sensing unit, which is formed by exposing the core of an optical fiber in one or more locations, in a geothermal fluid produced from a production well (101) of the geothermal power plant. The scale sensor detects the degree of adhesion of scale at the production well (101) and an injection well (102) of the geothermal power plant and at any location therebetween, and detects the degree of adhesion of scale at any location after, for example, adding a chemical agent for preventing and suppressing the formation of scale into the geothermal fluid, or after changing the production method.