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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。

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。

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。

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。

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。

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.

GEOTHERMAL ENERGY SYSTEM

Resumen de: US20260298503A1

0000 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.

SYSTEM, METHOD AND APPARATUS FOR GENERATING ELECTRIC POWER FROM SUBSURFACE WELLS

Resumen de: AU2025238607A1

A system, method, and apparatus for generating kinetic energy electricity production concurrent with thermal energy electricity production, chemical energy electricity production or any other electricity production concurrent with kinetic energy power production from a plurality of subsurface wells penetrating or terminating in fluid-bearing, subterranean zones or intervals containing energy producing components which may include heat, fluid flow, pressure, hydrocarbons, water, water comprising sodium chloride of varying concentrations, water comprising hydrogen, hydrocarbons comprising hydrogen, hydrogen alone, or any other energy producing components, or any combination thereof, of these energy producing components. The system involves methods and apparatus summarized in a six-step process that includes: Phase 1 Fluid Production, Phase 2 - Fluid Gathering and Combination, Phase 3 - Kinetic Energy/Thermal Energy Electricity Cogeneration, Phase 4 - Fluid Processing, Phase 5 - Kinetic Energy/Chemical Energy Electricity Cogeneration and Phase 6 - Fluid Pumping, Distribution, and Injection.

METHOD AND SYSTEM FOR EVALUATING SCALE PREVENTION AND SUPPRESSION EFFECTS

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.

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).

TECHNIQUES FOR GEOTHERMAL TEMPERATURE AND HUMIDITY CONTROL

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.

超臨界又は濃密相二酸化炭素を使用して高温岩体を掘削するためのシステム、プロセス及びモデル化方法

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.

GEOTHERMAL AND GEOPRESSURE RECOVERY SYSTEMS

Resumen de: US20260298213A1

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

SYSTEM AND METHOD FOR ACHIEVING GREEN, LARGE-SCALE, LONG-DURATION ENERGY STORAGE BY ELECTRICALLY HEATING CONFINED UNDERGROUND AQUIFER

Resumen de: WO2026200833A1

The present invention provides a system and method for achieving green, large-scale, long-duration energy storage by electrically heating a confined underground aquifer. The system uses underground aquifers confined by lithological formations, faults, or hydrocarbon-bearing formations such as oil- or coal-bearing formations as a heat storage medium, heats the aquifers by means of energy sources such as electrical energy, new energy, thermal energy or nuclear energy, and stores the thermal energy underground for a long period of time. When needed, the thermal energy and steam kinetic energy are converted into electrical energy or other forms of energy for output via a heat exchange system. The present invention has the advantages of large-scale energy storage, high efficiency and stability, environmental friendliness, and low cost, is suitable for various geographical conditions, and has broad application prospects.

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.

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.

增强型地热系统优化方法、装置和电子设备

Resumen de: CN122839881A

本发明提供一种增强型地热系统优化方法、装置和电子设备，属于地热资源发电领域。方法包括：基于井组模式和储层改造方案对三维地质构造模型与属性模型进行改造，得到改造后热储层物理模型的井‑储耦合计算域；基于设定循环工质、设定工质流量、设定回灌温度以及设定注入压力，对井‑储耦合计算域添加传热‑流动‑应力多物理场耦合模型；在目标系统运行年限内对传热‑流动‑应力多物理场耦合模型进行求解，得到求解结果；在井‑储耦合计算域的生产井出现相态变化的情况下，调整设定注入压力，以及跳转至多物理场耦合模型的添加步骤执行。本发明用以解决现有方法没有考虑多种地热发电参数共同约束下适用于开发利用工程设计的方案优化方法的缺陷。

一种地埋管地源热泵水平管道连接方法

Resumen de: CN122834724A

本发明公开了一种地埋管地源热泵水平管道连接方法，涉及地源热泵管道施工技术领域，包括以下步骤：S1、深浅层适配精准埋管参数标定；S2、分层错层隔热布管施工；S3、分层错层土壤布设温度场监测单元；S4、同程并联均衡布管组网；S5、独立分段可检修布设；S6、模块化密封对接连管施工。本发明一种地埋管地源热泵水平管道连接方法，通过深浅层参数精准标定、分层错层隔热布管、全域温度场监测、同程并联均衡组网、独立分段可检修布设及模块化密封对接工艺，可有效均衡管网换热工况、杜绝土壤冷热堆积、提升管道密封稳定性、降低运维成本。

一种地热井的中心管分段结构分析方法及终端设备

Resumen de: CN122839681A

0001 本发明公开了一种地热井的中心管分段结构分析方法及终端设备，属于地热能开发技术领域，能够解决现有技术中因载荷简化、强度配置不合理、边界条件静态化导致的中心管安全可靠性不足或壁厚过大导致投资增加的问题。所述方法包括：S1、确定地热井的井身设计参数和中心管设计参数，并计算中心管的抗内压强度、抗挤强度、抗拉强度、轴向力、中心管内管的管内液柱压力强度和中心管外管的管外液柱压力强度；S2、确定中心管的内压安全系数和抗挤安全系数；S3、确定中心管的抗拉安全系数；S4、根据内压安全系数、抗挤安全系数和抗拉安全系数调整中心管设计参数。本发明用于地热井中心管的结构设计。

一种提升带脉状热储地热资源回灌率的方法

Resumen de: CN122839900A

本发明涉及地热资源开发利用技术领域，公开了一种提升带脉状热储地热资源回灌率的方法，包括以下步骤：获取带脉状热储地热资源的地质特征数据与回灌运行数据；构建热储‑回灌系统耦合模型，所述耦合模型包含热储结构参数、流体运移参数及回灌参数；基于耦合模型模拟不同回灌条件下的流体分布状态，确定初始回灌方案；根据现场回灌监测数据对初始回灌方案进行动态修正，得到优化后的回灌方案。通过构建热储‑回灌系统耦合模型，能够全面且精准地模拟带脉状热储中力学场、温度场和渗流场的多场耦合作用，充分考虑了各参数之间的动态关联，克服了现有技术中因忽视参数动态关联而导致的回灌方案适配性不足的问题。

预测地埋场热状态的方法和电子设备

Resumen de: CN122835006A

本申请提供了一种预测地埋场热状态的方法和电子设备，可以应用于地源热泵技术领域。该方法包括：根据地埋场在第k采样时刻的第k运行数据和流经地埋场的地埋管井的循环液在第k采样时刻的第k循环液参数，得到第k输入向量，其中，地埋场包括各自设置有地埋管井的Z个地埋场区域，第k输入向量包括第z地埋场区域的地埋管井从第k‑1采样时刻到第k采样时刻的第k热流变量，z和k为正整数，Z为大于或等于z的整数；利用预先设定的地埋场空间热状态模型，根据第k输入向量以及地埋场在第k采样时刻的第k热状态，确定地埋场的第k+1预测热状态。

地下热能开发利用的优化方法、装置和电子设备

Nº publicación: CN122835007A 29/09/2026

Solicitante:

中国石油化工股份有限公司中国石油化工股份有限公司石油勘探开发研究院

Resumen de: CN122835007A

本发明提供一种地下热能开发利用的优化方法、装置和电子设备，属于地下热能开发利用领域。方法包括：基于初始生产流量和回灌温度，在目标系统运行年限内对热储‑井筒耦合模型进行瞬态求解，得到热储‑井筒耦合模型的压力分布和温度分布；基于温度分布监测热储‑井筒耦合模型中的生产井井口温度，在生产井井口温度不满足设定温度阈值的情况下，调整初始注采井间距并跳转至确定初始注采井间距的步骤执行；基于压力分布监测热储‑井筒耦合模型中的回灌井井口压力，在回灌井井口压力不满足设定压力阈值的情况下，调整初始生产流量并跳转至确定初始生产流量的步骤执行。本发明解决现阶段缺少一种地下多类型热能开发与地上利用一体化优化方法的缺陷。