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ドリルストリングのコンポーネントの温度管理

Resumen de: WO2024231758A1

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

地热能换热竖管双U弯头及其清理方法

Resumen de: CN122523755A

本发明公开的地热能换热竖管双U弯头及其清理方法，包括锥头的顶部固定连接有一对换热管，换热管的外部分别固定热熔头，一对换热管上设置除垢装置和移动装置，除垢装置包括一对连接管，连接管底端分别连通设置在换热管的顶部，一对连接管的顶部分别设置副管，连接管内分别设置弹性管，弹性管的外表面固定连接螺旋带，螺旋带的外边缘设置边刷，弹性管上端固定连接磁环；移动装置包括一对半环，半环上端分别连接拉绳，半环内侧分别设置若干磁块，若干磁块与磁环之间磁吸连接；清理方法：操作员拉动拉绳控制半环沿管外部上下移动，带动边刷对换热管内的污垢清扫，切除装置对换热管中较长或絮状物进行切除。实现对换热管中的污垢进行清理。

冰浆工质强化中（深）层地热能闭式取热系统及取热方法

Resumen de: CN122523756A

本发明公开了一种冰浆工质强化中（深）层地热能闭式取热系统及取热方法，取热系统包括冰浆制备与调配模块、地热取热模块及热泵换热模块；冰浆制备与调配模块包括制冷装置、液–液循环流化床；制冷装置与所述液–液循环流化床通过载冷剂回路连通；液–液循环流化床包括制冰室、分离室和混合室，制冰室、分离室和混合室沿含冰载冷剂流动方向依次连通，构成冰颗粒制备、分离和混合调配连续衔接的液–液循环流化床结构；制冷装置包括载冷剂蒸发器、载冷剂循环泵、载冷剂回收泵。与现有中（深）层地热能闭式取热系统相比，本发明在提高工质取热能力的同时，实现了冰浆工质的高效制备、稳定输运及按需供热运行，提升了取热系统取热效率和负荷适应能力。

一种地热回灌井井口压力调节装置

Resumen de: CN122523754A

本发明涉及地热流体回灌的技术领域，主要公开了一种地热回灌井井口压力调节装置，其包括密封壳体，所述密封壳体的排出管延伸至密封壳体内，并与密封壳体底腔之间形成调节腔，排入管与调节腔连通；其中，所述调节腔内于地热流体流通路径上阻隔设置有若干组通道板，若干组所述通道板分隔调节腔；于所述调节腔顶部的密封壳体内还活动设置有控流体，所述控流体隔绝排出管与密封壳体内部空间，本发明克服了当井下地热流体液面较低时，竖直回灌泵管管道内断续充盈的地热流体，因自重形成的负压脉动，造成回灌管道汽化现象，形成气液混流状态，传递到流量计量段，会使回灌井回灌量计量数据波动不准的情况。

抗积垢的材料和鉴定其的方法

Resumen de: US2019100659A1

In general, the present invention is directed to materials that when in use resist fouling on their surfaces. Such materials may be used in the construction of various process equipment having surfaces exposed to a given fluid that contains a foulant or chemical substance that may deposit on, or adhere to, the surface and thereafter continue to grow on the surface resulting in deteriorated performance of the equipment and process. The materials are specifically selected using a method that takes into account the dielectric spectra of the fluid to which the surface is exposed and the surface itself. It has been unexpectedly found that if the dielectric spectra of the surface and the fluid are matched to within relative agreement, there should be no adhesion of the foulant on the surface. In some embodiments, the dielectric spectra to be matched include the intrinsic indexes of refraction.

一种中深层地热能电-热梯级利用系统

Resumen de: CN122523757A

本发明公开了一种中深层地热能电‑热梯级利用系统，包括：地热流体预处理模块，用于提取中深层地热流体；混合工质发电模块，包括蒸发器和冷凝器；经所述地热流体预处理模块处理后的中深层地热流体与所述蒸发器的热源侧连通，用于向所述混合工质发电模块提供热量，中深层地热流体经热源侧出口流出第一温度工作流体；潮汐自流供应模块，与所述混合工质发电模块中的冷凝器的冷源侧连接用于提供冷源；供暖供热模块，与所述混合工质发电模块中蒸发器的热源侧出口连接，热源侧出口的第一温度工作流体经供暖供热后流出第二温度工作流体；尾水梯级利用模块，与所述供暖供热模块的输出端连接，用于第二温度工作流体的再利用。本发明实现了中（深）层地热能发电、供暖供热及尾水余热利用的协同耦合，提高了地热能综合利用效率和系统运行稳定性。

WATER DESALINATION INTEGRATED WITH COMPRESSED AIR ENERGY STORAGE

Resumen de: WO2026165300A1

A compressed air energy storage (CAES) system integrated with the recovery' of potable water derived from saline aquifer water and utilizing the air compression heat to further produce a concentrated brine and a high purity water product.

SYSTEM AND METHOD FOR COUPLING GEOTHERMAL ENERGY STORAGE WITH COALBED METHANE EXTRACTION IN UNMINEABLE COALBED

Resumen de: US20260226814A1

0000 A system for coupling geothermal energy storage with coalbed methane extraction in an unmineable coalbed includes a ground heat collection unit, a heat injection and energy storage unit, and a cogeneration unit. The ground heat collection unit is configured to collect and convert solar energy and surplus electricity from wind and photovoltaic power generation into high-temperature thermal energy. The heat injection and energy storage unit includes a heat injection device, an injection well, an extraction well, an artificial heat storage space, an upper covering stratum, and a lower covering stratum. The cogeneration unit is connected to the extraction well and configured to utilize the high-temperature thermal energy for heating/cooling and recycle the free coalbed methane for gas supply and power generation. In this way, unmineable coalbed resources are developed, and the solar energy and the surplus electricity from wind and photovoltaic power generation are absorbed.

A METHOD AND A SYSTEM FOR ABATING H2S AND CO2 FROM H2S AND CO2 RICH GAS MIXTURES SUCH AS GEOTHERMAL NON-CONDENSABLE GAS MIXURES

Resumen de: EP4786729A2

0001 This invention relates to a method and a system for abating hydrogen sulfide (H<2>S) and carbon dioxide (CO<2>) from H<2>S and CO<2> rich gas mixtures such as geothermal non-condensable gas mixtures (NCG). The H<2>S and CO<2> gas is separated from the remaining gases contained in the H<2>S and CO<2> rich gas mixtures by pressurizing the gas stream and feeding it into an absorption column where H<2>S and CO<2> are preferentially dissolved in a water stream, resulting in water stream rich in H<2>S and CO<2>. The H<2>S and CO<2> rich water stream may then be re-injected into a geological reservoir or used for pH modification of another water stream of geological origin.

UNDERGROUND SYSTEM FOR OBTAINING AND STORING HEAT AND FOR STORING COLD

Resumen de: EP4786878A1

The subject of the application is an underground system for obtaining and storage of heat and storage of cold formed by geothermal water tanks, which are provided in dog headings of a post-mining mine and which are equipped with a bidirectional heat carrier pumping system, wherein a clean water tank (4) is provided in a shaft of a post-mining mine as a heat storage, which is tightly separated from the geothermal water tanks (1) by dams (3). In the geothermal water tanks (1), spiral heat exchangers (7) are located in the form of pipelines spirally arranged against the walls of the dog headings. A long clean water pipeline (14) and a short clean water pipeline (15) are located in the shaft, which is a clean water tank (4), wherein said pipelines upper ends are connected to the utility water circulation system of the source of utility heat of the above-ground geothermal heat receiver (11) and the utility heat receiver (13).

地热能供热方法及系统

Resumen de: CN122509605A

本申请提供一种地热能供热方法及系统，涉及热力供应技术领域，用于在满足用户供热需求的同时避免过度开采深层地热能。该方法包括：基于目标供热园区的历史热负荷数据、历史天气数据及当前天气数据，确定目标供热园区在未来多个目标时段的热负荷预测值；基于热负荷预测值以及目标供热园区内的浅层地热能在当前容量下的多个调节偏差状态数据，预测浅层地热能在目标时段的响应偏差概率；确定供热园区内的新能源设备在调节偏差时段的可用剩余电量，并从调节偏差时段中筛选出可用剩余电量满足供热补偿值的重合偏差时段；基于可信度从目标调节时段内筛选出可靠调节时段，并在可靠调节时段内利用可用剩余电量以及浅层地热能进行供热。

一种干热岩注采循环取热模拟实验装置及方法

Resumen de: CN122511164A

本发明提供一种干热岩注采循环取热模拟实验装置及方法，属于干热岩设备技术领域。包括试验箱，试验箱的顶部固定连接有盖板，盖板的顶部固定连接有注入管和第二生产管；加热加压单元用于对干热岩样品块进行加热加压处理，循环取热单元用于对干热岩样品管进行循环取热处理。本发明通过设置加热加压单元，由于底推板的调节方式与侧推板的调节方式工作原理一致，且侧推杆和底推杆的端部均安装在T型安装板上，因此这样集成式的安装方式，使得试验人员在实验过程中操作更简单便捷，提高实验效率；通过设置循环取热单元，使得本实验装置可以进行：取热取水、取热不取水和循环取热的实验操作，大幅度提高了装置的实用性。

一种基于多节点温度判据的太阳能源侧介入热泵供热控制方法

Resumen de: CN122504900A

本发明提供了一种基于多节点温度判据的太阳能源侧介入热泵供热控制方法，涉及供热控制法技术领域。方法包括：实时获取多节点特征温度，基于温差启停集热，并将太阳能梯级蓄存至第一、第二级储热环节；将第一级储热温度与热泵适宜运行温区匹配，适宜时将热量导向热泵蒸发端实现源侧主动介入，过低时则抽取地温能；结合第二级储热温度与地下环境温度，执行高品位热量直供负荷或向地下岩土体的跨季反向补热，并辅以末端二次闭环加热。本发明极大提高了低品位太阳能利用率，改善了热泵源侧工况并修复土壤热平衡，显著降低常规能源消耗与系统碳排。

一种基于300米井下SMA温控止回阀的中深层地热同井冬夏分层换热系统

Resumen de: CN122504418A

本发明公开了一种基于300米井下SMA温控止回阀的中深层地热同井冬夏分层换热系统，属于中深层地热能源开发利用技术领域。该系统包括同轴套管式换热井筒、SMA温控止回阀；同轴套管式换热井筒以300米深度为界，分隔为0‑300m浅层换热段与300m以下中深层换热段；SMA温控止回阀固定安装于同轴套管式换热井筒的外管环腔300米深度位置，采用Ti‑Ni基形状记忆合金温控弹簧作为驱动核心，设定30℃～40℃相变临界温度，依据井下流体温度自主触发相变启闭。本发明实现单井冬夏自适应换热，解决地热井利用率低、双井成本高、电控阀门可靠性差等痛点，无需井下供电与信号线路，无源免维护、结构可靠、运维成本低，推动中深层地热能规模化高效低成本推广。

基于深度学习的能源竖井长期性能预测与健康诊断方法

Resumen de: CN122508384A

本发明提供了一种基于深度学习的能源竖井长期性能预测与健康诊断方法，包括：采集多源监测数据，并建立数字化档案；对采集的多源监测数据进行处理，生成标准化的特征数据；基于数字化档案构建耦合数值模型，并生成虚拟运行数据集；将标准化特征数据与虚拟运行数据集混合形成训练集、验证集和测试集，并以此训练换热效率演化预测模型和结构健康评估模型；将实时特征数据输入训练好的模型，获得预测序列与评估结果，并通过融合诊断输出健康状态等级；生成运维策略报告；收集运维反馈数据，对模型进行迭代优化，所以，本发明能精准学习能源竖井在复杂工况下的性能演化规律，实现对换热效率衰减与结构损伤趋势的长期、超前预测。

用于调节流经井系统的流体流动的设备、系统和方法

Resumen de: WO2025129336A1

Some embodiments of the present disclosure relate to an apparatus for regulating flow of a fluid flowing through the apparatus when deployed and retained within a well. The apparatus may comprise a retaining assembly for retaining the apparatus in a desired position within a wellbore; a mandrel with a first end and a second end, defining a longitudinal axis therebetween, the mandrel defining one or more orifices for fluid communication between inside the mandrel and outside the mandrel; and, a shift sleeve in nested arrangement with the mandrel, the shift sleeve defining one or more orifices for providing fluid communication between an inside of the shift sleeve and outside the shift sleeve. The shift sleeve is shiftable in response to changes in a property of a fluid flowing through the apparatus, wherein shifting of the shift sleeve changes a cross- sectional flow area of one of the one or more orifices.

地层注热系统及地层注热方法

Resumen de: CN122504435A

本申请公开了一种地层注热系统及地层注热方法，涉及油田开采技术领域，包括：地层注热系统包括采光装置、光传输通道和光热转换装置；采光装置设置在地面，用于采集太阳光并将太阳光汇聚成光束；光传输通道，用于以空芯光纤为光传输介质将光束传输至目标地层；光热转换装置，设置在光传输通道的末端，用于将光束的光能转化为热能，并将热能注入目标地层。本申请显著减少了整个能量链路上的累积损耗，能量利用率较高。

重力補助多相地熱再注入システム及び方法

Resumen de: WO2025026577A1

The system comprises a liquid-gas separator (31) having an inlet (31.1), a gas outlet (31.3) and a liquid outlet (31.2). The system further includes a first vessel (33), a second vessel (35), a pumping unit (37) having a suction side (37.1) and a delivery side (37.2); and a fluid connection (41.4) to the geothermal re-injection well (7). The suction side (37.1) of the pumping unit (37) is adapted to be fluidly coupled selectively with a lower side of the liquid-gas separator (31), a lower side of the first vessel (33) and a lower side of the second vessel (35). The delivery side (37.2) of the pumping unit (37) is adapted to be fluidly coupled selectively with the first vessel (33) and the second vessel (35). The gas outlet (31.3) of the liquid-gas separator (31) is adapted to be fluidly coupled selectively with an upper side of the first vessel (33) and an upper side of the second vessel (35). The fluid connection (41.4) to the geothermal re-injection well (7) is adapted to be fluidly coupled selectively with the upper side of the first vessel (33) and the upper side of the second vessel (35).

高温地热井复合钻头水力结构设计方法

Resumen de: CN122490808A

本申请提供了一种高温地热井复合钻头水力结构设计方法，属于钻头设计领域。该方法先构建含可变流道的钻头原始结构，结合基础流体仿真得到基础方案；通过多组预仿真划定流道结构稳定调节范围；依托可替换调节块实现挡流部位置与角度可调，配合同区域双井位分段实钻试验，依据钻头损伤与流量分配情况迭代优化结构参数，分级确定不同井深区间的目标设计方案。该设计突破传统固定水力结构局限，修正仿真偏差，可现场快速调节钻井液分配，改善牙轮冷却与排屑效果，缩短设计优化周期、降低制造成本，为高温地热井高效钻井提供适配性更强的钻头水力结构设计思路。

一种中深层地热能闭式取热供暖系统

Resumen de: CN122486198A

本发明涉及一种中深层地热能闭式取热供暖系统，包括大井深蒸发器管体、沿轴向分布的多个开式缓冲液池、设置在管壁的金属丝网毛细结构；开式缓冲液池与下方相邻一级开式缓冲液池通过溢流管连接；开式缓冲液池下方设置有与其底部相连的分洒器；本发明针对常规超长重力热管在中深层取热过程中工质分布不均、取热效率低的问题，大井深蒸发器管体通过周向分洒器与开式缓冲液池单元、管壁内侧的金属丝网毛细结构相结合，均匀分配蒸发器管内工质，有效抑制蒸发器底部积液，提高工质蒸发取热效率，为供暖系统提供稳定的蒸汽源。通过温度传感器实时监测用户端出水温度，并结合热力平衡器调节大井深蒸发器的蒸汽流量，实现供热管网的热量自平衡。

地热机组的调频方法、系统、设备及介质

Resumen de: CN122495421A

本发明实施例提供一种地热机组的调频方法、系统、设备及介质，属于可再生能源发电与电力系统自动控制领域。该方法包括：实时采集地热井口的温度、压力和流量参数；并通过多物理场耦合模型预测未来一段时间内地热流体特性值；基于其计算地热机组在当前及预测工况下的最大调频容量、爬坡速率及调节精度指标；根据预测数值调整发电控制策略和控制器参数，自适应投切自动发电控制模式。通过结合多物理场耦合模型预测流体变化趋势，在线评估机组调频能力并动态调整AGC控制策略及与调度系统的交互方式，实现了对地热机组真实调频能力的精准评估与自适应控制。

一种十字交错回折式双井闭式地热换热方法及结构

Resumen de: CN122486275A

本发明提供一种十字交错回折式双井闭式地热换热方法及结构，属于地热能开发与井下闭式换热结构技术领域，可显著缓解或解决现有U型井、同轴井及双井连通结构存在的井下流路单一、换热面积有限、目标换热层段内流动路径展开不足及单位井深取热能力受限的问题。本发明通过使注入井与采出井在目标换热层段内构建由多个横向换热段和回折段组成的十字交错换热段，使换热工质在封闭流道内沿多方向、多次转向路径循环流动并经井壁与围岩或储层换热。该方法及结构能够增加井下有效换热长度和换热覆盖范围，提高单位井深取热能力及整体取热效率。

用于分散式地热采集的供水管道用自然循环蒸发器

Resumen de: WO2025219012A1

The main claims comprise two types of natural circulation evaporators for water supply lines, both of which permit a functional extension for decentralized recovery of the near-surface geothermal energy that is regeneratively contained in the supply water. This includes, on the one hand, the application to existing pipelines and, on the other hand, a new construction application using a combination pipeline. As a result, heat pumps in the utility buildings in contact with lines can be supplied with low-temperature geothermal heat, from which they generate high-temperature useful heat.

井下闭路循环式单井地热交换系统及其运行方法

Resumen de: CN122486273A

本发明公开了井下闭路循环式单井地热交换系统及其运行方法，涉及地热能利用领域，解决现有系统运行策略僵化、智能化调控缺失、风险感知不足的问题。系统包含同轴套管换热器、封隔器、物联网传感网络和AI智能控制模块；方法通过单井同轴套管换热器实现地热换热，利用封隔器避免热量短路，经物联网传感网络采集流体温流量、封隔器压力等参数，由AI智能控制模块结合注意力机制时序预测模型，计算动态运行效益指数确定最优循环泵频率，还通过封隔器压力计算热量短路风险因子，修正预测出口温度。本发明实现系统运行参数动态优化，平衡换热收益与能耗成本，能预警规避热量短路风险，提升系统综合运行效益、智能化水平与运行稳定性。

一种深埋套管综合性能分析的方法

Nº publicación: CN122490820A 31/07/2026

Solicitante:

长安大学

Resumen de: CN122490820A

本发明公开了一种深埋套管综合性能分析的方法，该方法包括：通过人机交互界面接收用户输入的系统参数，并将所述系统参数划分为热工物理参数集与成本经济参数集；采用沿深度方向分段离散和动态热阻网络方法进行热工动态计算，获取第一计算结果；基于所述系统参数，计算钻井总成本，获取第二计算结果；将所述第一计算结果和所述第二计算结果进行综合处理与可视化展示，并进行多方案横向对比。本发明将高保真的动态热工模型与深度非线性化的工程成本模型在算法层面深度耦合，在同一平台完成“物理性能”与“经济成本”的同步评估，打破了传统设计流程中专业壁垒，提升了决策的科学性与效率。