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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。

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。

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。

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.

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.

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.

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

三种套管换热和储层对流换热串通耦合地热开采系统及开采方法

Resumen de: CN122857983A

本发明提供三种套管换热和储层对流换热串通耦合地热开采系统及开采方法，属于地热开采技术领域。该系统的地下井筒部分构型包括竖直单井型、水平单井型和U形井型。其在地热井筒套管上设置漏失段，让套管换热过程中部分流体自然通过漏失段的压裂裂缝进入到地热储层中，与地热储层发生对流换热，然后通过抽取段回到井筒中。由于漏失段和抽取段具有较大的压差，将强迫流体在地热储层中对流循环换热，达到显著提高套管换热的效果。即使压裂裂缝连通性效果不好，整个系统也能够保证流体在井中循环并通过套管提取井筒附近的地热能。

一进多出式倒伞型中深层地埋管换热系统计算方法及系统

Resumen de: CN122857981A

本发明公开了一种一进多出式倒伞型中深层地埋管换热系统计算方法及系统，以公共下降管和一个分支埋管为对象，并分管段分别建立柱坐标系下的二维非稳态传热模型，可大幅降低地埋管传热计算复杂度。该系统采用 “1个公共下降总管 + N 个换热支路”的倒伞型闭式循环结构，包括沿竖直方向布置的公共下降总管、呈放射状分布的多组并联换热支路以及地面回水集管。循环工质经公共下降总管下行至2000‑3000m深度的目标地热储层后，分流进入各独立换热支路完成热交换，最终经地面回水集管汇集返回地面换热设备。本发明的换热面积大幅增加，出口水温显著提升，取热量大幅增加，并显著降低复合换热结构传热分析复杂程度和减少计算工作量。

一种深层地热开采系统及三角内螺纹槽热管设计方法

Resumen de: CN122857982A

本发明公开了一种深层地热开采系统及三角内螺纹槽热管设计方法，包括重力热管、浅层相变材料储能装置及换热装置，重力热管通过嵌套焊接垂直埋设于地热井中，其底端伸入深层地热储层，顶端与换热装置连接，浅层相变材料储能装置与浅层热管进行热交换，形成储能与释放回路，通过多级不同介质热管串联结构，显著降低了介质在超长距离蒸发上升过程中的流动阻力与压力损失，实现了深层地热能的高效提取，浅层相变储能装置提取的太阳能，实现了能量的时空匹配与阶梯式调控运行，该系统不仅大幅提升了深层地热利用效率和浅层储能密度，其一体化的非能动设计还避免了介质回流泄露风险，降低了维护成本，增强了系统安全性与市场竞争力。

一种用于深层高温地热井的产能增产方法

Resumen de: CN122857050A

0001 本发明提出了一种用于深层高温地热井的产能增产方法，属于地热井产能修复技术领域；包括：通过测井分析确定分支对接井位置；在地热井的主井筒上对应高富水性井段的深度位置确定开窗点，并采用定向钻进方法钻设分支对接井；在分支对接井中下入花管以用于保持井壁稳定并收集地层水，在主井筒内对应分支对接井窗口的上方和下方分别设置封隔器，以隔离浅部高温含水层与上部地层；同时，在主井筒内下入隔热井管；最后启动设置于主井筒内的抽水泵进行开采。本发明通过分支对接井的设计，可在充分利用上部较高温地热水水量、热能前提下，满足地热井大泵量开采地热能的持续性需求。

干热岩注采循环智能监测与试验系统及方法

Resumen de: CN122859718A

本发明公开了干热岩注采循环智能监测与试验系统及方法。针对干热岩换热试验中物理剥落与化学沉淀耦合形成微堵塞且难以鉴别的难题，本发明在注采循环中同步提取高频微震事件频次与特定离子浓度衰减率；利用致堵交叉诊断矩阵对二者进行耦合分析，动态识别当前微裂缝的纯物理淤积、纯化学结垢或物理化学复合微堵塞类型；并据此靶向触发水力脉冲冲刷、溶蚀药剂注入或联合干预等解除指令；最后量化热剥落倾向性与化学沉淀速率，作为动态修正因子反馈至干热岩选区评价指标模型。本发明的方案能够实现深部储层致堵成因的精准诊断与靶向解除，避免盲目干预导致储层报废，并显著提升工作区长期开发寿命预测的准确性。

地热储层温度场预测方法、装置、电子设备、存储介质及程序产品

Resumen de: CN122864082A

本申请实施例提供一种地热储层温度场预测方法、装置、电子设备、存储介质及程序产品，该方法包括：构建裂缝型地热储层构型样本与热流耦合数值数据集，热流耦合数值数据集中包括多组离散裂缝网络构型文件和对应的温度场文件；根据温度场文件解析非结构化网络，并构建温度储层温度场图序列样本；根据离散裂缝网络构型文件构建裂缝影响特征；根据温度储层温度场图序列样本与裂缝影响特征构建裂缝拓扑感知温度场代理模型；将待预测的裂缝构型输入训练后的裂缝拓扑感知温度场代理模型，输出地热储层温度场预测结果，提高了预测效果。

一种基于地热能交换的节能型板式换热机及方法

Resumen de: CN122858159A

本发明涉及一种基于地热能交换的节能型板式换热机及方法，属于换热机技术领域。该板式换热机包括安装机架、固定压紧板、活动压紧板及位于固定压紧板和活动压紧板之间的多个换热板片，固定压紧板、活动压紧板及多个换热板片通过长螺栓锁紧固定。该板式换热机还设有固定壳、自适应压紧组件、位移伸缩联动组件及旋转振动分板组件。自适应压紧组件在换热板片热胀时提供轴向退让余量，冷缩时弹性复位维持密封；位移伸缩联动组件在检修时由活动压紧板外移带动活动端部伸入板缝；旋转振动分板组件驱动分离件旋转撑开板片并振动松垢。本发明实现了热胀冷缩自适应压紧与检修时自动分板的协同配合，有效提升密封可靠性和维护便捷性。

环核式串联梯级相变回填地埋管蓄热取热系统及方法

Resumen de: CN122858175A

本发明提供了一种环核式串联梯级相变回填地埋管蓄热取热系统及方法，该系统包括由内向外依次设置的核心蓄热区、相变蓄热区和热阻拦区，各区内分别布置多个地埋管井口；注水主管经注水支路连接核心蓄热区井口，回水主管经回水支路连接热阻拦区井口，位于同一径向路径上的核心蓄热区井口、相变蓄热区井口和热阻拦区井口通过井口串联水管依次串联，形成多个在注水主管与回水主管之间并联的串联支路；核心蓄热区井口内回填高导热材料，相变蓄热区井口内回填相变材料，热阻拦区井口内回填低导热材料。蓄热时工质由内向外流动，取热时反向流动。本发明实现热量品位梯级存储与释放，抑制热量无序扩散，提高取热出口温度稳定性。

一种基于指数和近似的钻孔换热器热响应模型参数优化方法

Resumen de: CN122863917A

本发明公开了一种基于指数和近似的钻孔换热器热响应模型参数优化方法，包括：1、建立钻孔换热器热响应模型的指数和近似递推表达式；2、建立关于指数和近似递推表达式中各项权重系数与衰减率的非线性最小二乘目标函数；3、利用变量投影法消去权重向量，建立仅关于衰减率向量的压缩目标函数；4、利用阻尼高斯‑牛顿迭代求解仅关于衰减率向量的压缩目标函数，得到最优衰减率向量；5、基于最优衰减率向量计算最优权重向量，从而得到指数和近似的钻孔换热器热响应模型的最优参数。本发明能够避免传统方法中参数耦合导致的病态问题，实现了精确的参数求解，可为地源热泵系统的动态仿真与优化控制提供更高精度的模型支撑。

基于计算机模拟技术的高效地热资源勘察方法

Resumen de: CN122864073A

0001 本发明公开了基于计算机模拟技术的高效地热资源勘察方法，属于地热资源勘察技术领域。该方法包括：构建目标勘察区域的三维虚拟地层模型，设定模拟热源边界条件并运行热传导模拟器，生成初始地温场分布图；在初始地温场分布图上识别多个高温度梯度区，以每个高温度梯度区为中心点执行随机游走粒子群模拟，生成多条模拟热流路径；计算每条模拟热流路径与三维虚拟地层模型中预设的断裂带网格的交点数量，将交点数量超过预设门槛值的模拟热流路径标记为优选热流路径；将所有优选热流路径的空间位置叠加形成勘察靶区点云，将勘察靶区点云投影至地表，生成最终的勘察布井方案。

TIN PRODUCTION POWERED BY GEOTHERMAL ENERGY

Resumen de: MX2026008688A

A geothermal energy powered tin production system includes a geothermal system with a well extending from the surface to a subterranean magma reservoir. The geothermal energy feeds the systems and processes used to extract tin from a tin-containing starting material.

PETROCHEMICAL REFINING POWERED BY GEOTHERMAL ENERGY

Resumen de: MX2026008687A

A geothermal-powered petrochemical refining system includes a geothermal system with a well extending from the surface to a subterranean magma reservoir. A geothermal-fed fractional distillation system receives crude oil and produces distillates that are separated by molecular weight. The distillates can be provided to a geothermal-fed cracking system that is heated by a heat transfer fluid heated by the geothermal system to crack heavy hydrocarbons and convert them into other lighter ones. The distillates can be provided to a geothermal-fed reforming system, heated by a heat transfer fluid heated by the geothermal system, to reform the hydrocarbons into different structures.

強化地熱システム坑井の仕上げ時における引張割裂及び水圧せん断パラメーターの制御方法

Resumen de: GB2634155A

Methods and systems for geothermal energy production wherein multiple horizontal or vertical wells are used to pass fluids through the Earth from an injector well 215 to a producer well 210 through induced cracks, splits, fractures, conduits, or channels in the rock. Such methods and systems include controlling tensile-split conduits in a subterranean geothermal formation by providing an injection well, providing a production well, configuring the injection well for injection of a tensile-splitting fluid into a production zone, configuring the production well to produce a heated fluid from the production zone, applying pressure to the production well, creating a plurality of tensile-split conduits, raising or lowering the pressure in the production well, establishing fluid communication between the injection well and the production well using hydro-shearing, and producing the heated fluid to the surface.

REFRIGERATION CYCLE APPARATUS

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).

SYSTEMS AND METHODS FOR DRILLING GEOTHERMAL WELLS

Resumen de: US20260298032A1

Systems and methods for drilling a geothermal well can include drilling a first borehole to a geothermal target, the first borehole defining a longitudinal axis; and drilling a first portion of a second borehole having a first end and a second. The first end of the second borehole extends from the first borehole, the first portion extends downwardly and outwardly from the longitudinal axis of the first borehole, and the first portion of the second borehole is in fluid communication with the first borehole. The techniques can include drilling a second portion of the second borehole. The second portion extends downwardly and towards the longitudinal axis of the first borehole, the second end of the second borehole extends to the first borehole, and the second portion of the second borehole is in fluid communication with the first borehole. Casing can be provided and a geothermally active region surrounding the wellbores may be fractured, thus providing a geothermal region with a greater surface area through which a fluid may flow.

TECHNIQUES FOR GEOTHERMAL TEMPERATURE AND HUMIDITY CONTROL

Nº publicación: WO2026207482A1 01/10/2026

Solicitante:

USA GEOTHERMAL ENERGY INC [US]
USA GEOTHERMAL ENERGY INC.

Resumen de: WO2026207482A1

Techniques are described for independent control of temperature and humidity in a single device. In particular, two thermal control systems can be arranged within the device (e.g., within a shared housing) that can each be independently operated to heat or cool the ambient air. The mode of operation of each thermal control system may be selected based on a humidity measurement of the ambient air, so that the thermal control systems are effectively controlled based on dew point rather than temperature.