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76
results.
Updated on
28/03/2026 [08:16:00]
Absstract of: CN121739602A
本发明公开基于地热‑光热‑储热多源互补的隧道主动保温系统及其耦合控制方法，所述系统包括太阳能集热器、换热装置、地热取热管、储热罐、衬砌换热管、控制器以及连接各部件的流体输配管网；所述耦合控制方法主要包括：采集传感器测量参数，计算储热罐分层度与储热量、地源热平衡累计量、地源健康度和隧道衬砌换热系统当前热负荷；进一步设置控制目标、循环泵功率约束和三通阀门开度约束并建立惩罚项对不同控制方案进行优选；建立隧道主动保温系统数学模型；基于惩罚项对循环泵的多种功率和三通阀门的多种开度组合进行评价并选择最优组合；控制器输出指令至各循环泵与三通阀门，并随时间滚动更新，实现随时间滚动更新的耦合控制。
Absstract of: AU2024334048A1
A method includes determining a specified demand as a function of time of thermal energy from a heat exchanger of a heat pump. The heat pump is configured to transfer thermal energy to the heat exchanger from a geothermal working fluid circulating in a closed-loop geothermal well. The closed-loop geothermal well includes a first surface wellbore extending from a terranean surface to a geothermal subterranean zone, a second surface wellbore extending from the terranean surface to the geothermal subterranean zone, and plurality of connecting wellbores connecting the first surface wellbore to the second surface wellbore The heat output from the heat exchanger is controlled to meet a specified demand by adjusting at least one of a flow rate or inlet temperature of the geothermal working fluid in the closed-loop geothermal well.
Absstract of: CN121739399A
本发明涉及清洁能源综合利用技术领域，公开了一种基于地热预热的火力发电梯级换热方法及系统，包括以下步骤：S1、提取温度≥120℃的地热流体，利用所述地热流体将火力发电系统的锅炉给水预热至120℃至160℃；S2、将经步骤S1预热锅炉给水后的地热尾水送入有机朗肯循环系统的蒸发器，以驱动有机工质发电；S3、将所述有机朗肯循环系统的冷凝器的冷却水侧与所述火力发电系统的凝汽器的冷却水侧并联，并接入同一冷却塔进行散热；S4、将所述有机朗肯循环系统排出的热量输送至碳捕集系统的热驱动吸收塔，用于胺液再生。本发明旨在实现燃料节约、效率提升及碳排放降低的耦合；通过采用地热补偿火电调峰过程中产生的效率损失，可以保障整体能源利用效率。
Absstract of: CN121739461A
本申请提供了一种太阳能与地热能耦合的供热控制方法、系统及电子设备，涉及供热控制技术领域，包括：获取表征太阳能输入强度的第一环境参数和表征地下热源状态的第二环境参数；根据第一环境参数计算太阳能供热热量，并根据第二环境参数确定地热换热路径；根据地热换热路径对应的土壤平均温度计算地源热泵的性能系数，并根据性能系数与热泵输入功率计算地热能供热热量；根据供热需求与太阳能供热热量之间的匹配程度，确定太阳能供热热量与地热能供热热量之间的目标供热比例；基于目标供热比例确定目标供热装置，以进行太阳能和地热能的耦合供热控制。本申请实现了多种能源的协同耦合控制，提高了系统整体能效与运行稳定性。
Absstract of: CN121739436A
本发明公开了地热驱动的燃料电池与跨临界二氧化碳循环热电联产系统，包括相连接的地热采暖循环子系统、高温质子交换膜燃料电池子系统和跨临界二氧化碳循环子系统；地热采暖循环子系统为高温质子交换膜燃料电池子系统的反应工质预热并作为建筑采暖系统的热源，高温质子交换膜燃料电池子系统排放的余热作为跨临界二氧化碳循环子系统的热源，跨临界二氧化碳循环子系统通过喷射器、气液分离器和第一增压泵形成自冷凝循环机构。本发明实现对中低温地热能的高效梯级利用，实现电能与热能的协同产出，能够突破传统热机受到的卡诺循环限制，有效提高系统综合能效；还可实现跨临界二氧化碳循环的自冷凝，克服了二氧化碳在常规冷凝条件下受限的问题。
Absstract of: CN121739603A
本发明公开一种中深层地热开发型式快捷转换装置及其使用方法，装置包括外管组件和内管组件，外管组件与内管组件之间形成过流通道；外管组件包括由上向下同轴连通设置的孔口管、表层套管、无孔套管和滤水管；表层套管和无孔套管设置在非取水地层内，滤水管设置在取水地层内；内管组件包括由上到下连通设置的出水弯管和过水管组件；表层套管下端设置有套管悬挂器底座，无孔套管上端设置有套管悬挂器，套管悬挂器包括一体化连接设置的连接段和固定段，连接段用于安装连接无孔套管和滤水管，固定段同轴座挂在套管悬挂器底座内；套管悬挂器底座上端与表层套管相连。本发明通过两种不同结构的过水管组件的设置，实现了“一井多用”，提高了单井的利用效率和生命周期价值，提升了地热开发项目的经济性。
Absstract of: CN121731902A
本申请涉及碳捕集与矿化技术领域，提供地热源辅助碳捕集与矿化装置及其碳捕集与矿化方法。地热源辅助碳捕集与矿化装置，包括地热发电单元、储热单元、碳捕集单元和矿化单元。本申请利用地热流体中高温蒸汽进行发电，为储热单元和碳捕集单元中耗能器件供电；并利用地热流体余热进行储热，结合储热器的电加热为碳捕集单元解吸过程提供稳定热源，显著降低碳捕集能耗，进而实现二氧化碳的低能耗注入矿化，具备高能效、低运行成本与长期稳定封存能力，实现碳减排。
Absstract of: EP4715284A2
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.
Absstract of: EP4715162A1
Drilling in a wellbore in a subterranean zone with a drilling string including a coiled tubing. The coiled tubing having a bulk, length normalized radial thermal resistance to heat transfer through a wall of the tubing of at least 0.008 m K/W. Flowing a drilling fluid through the drilling string while drilling, where a ratio of a drilling string bulk density to a drilling fluid bulk density is 2 or less.
Absstract of: CN121719620A
本发明公开了一种耦合火力发电的地热能储能系统及方法，涉及储能设备技术领域。所述耦合火力发电的地热能储能系统包括汽轮机缸、蒸汽管路和第一排汽管路，蒸汽管路的出口连接至汽轮机缸的进汽口，汽轮机缸的排汽口连接至第一排汽管路的入口，第一排汽管路水平连接有第二排汽管路；第一排汽管路上设置有控制阀，第一排汽管路的出口连接至埋设于地下土层中的地下热管网的入口；地下热管网的出口连接至单向阀门的入口，单向阀门的出口连接至第二排汽管路。该系统使得机组能够在不大幅调整锅炉燃烧工况的前提下，迅速降低发电负荷，解决了火电机组在参与电网深度调峰时面临的响应迟缓、热电解耦能力不足以及低负荷运行能效低下、设备损耗加剧的难题。
Absstract of: CN121720218A
本申请提供多分支径向井辅助U型井强化闭式取热系统及施工方法，涉及地热开发的领域。多分支径向井辅助U型井强化闭式取热系统包括主体结构和至少一个分支结构；主体结构包括井体、注入装置和采出装置；注入装置与井体的第一端连通，注入装置能向井体注入取热流体；采出装置与井体的第二端连通，采出装置能采集井体内的取热流体；分支结构的顶端与井体连通，分支结构的底端朝向下方延伸；分支结构能接收至少部分来自井体的取热流体，并使换热后的取热流体流动回井体内。本申请能够改善取热系统的取热效果，提高热能利用率。
Absstract of: CN121719528A
本发明涉及一种深部地热簇式集中探采布井方法及钻井结构，属于地热开采的技术领域。包括以下步骤：（1）依据热储分层厚度、温度及渗流场变化规律，利用等边三角形原理，确定簇式集中布设的各井底部取水点的平面坐标；（2）所有地热井首先垂直钻进、深入地下后，径向分散程箭簇式，单井轨迹为“直段‑定向增斜段一‑斜直井段一‑定向增斜段二‑斜直段二”的结构；钻井结构自上至下依次为：泵室管、井管、滤水管和沉淀管。本发明还提供了一种由上述方法探采的钻井结构。本发明分层采用等边三角形原理进行簇式集中开采地热井靶点布设，有利于确定项目地热采灌最小影响面积，有利于提高矿区地热资源利用率，实现深部地热资源的合理利用。
Absstract of: CN121720316A
本申请公开了一种基于地下空腔的储能利用系统和工艺方法，属于新能源技术领域，系统包括：第一地下空腔和第二地下空腔；与第一地下空腔连通的第一注入井和第一采出井；与第二地下空腔连通的第二注入井和第二采出井；第一连通管，连通第一采出井和第二注入井；回注管，连通第二采出井和第一注入井；换能设备，设于第一连通管且；回流加热设备，包括分别设于回注管的控制泵和加热装置。方法包括：储能时，开启加热装置、控制泵，储能后再关闭控制泵；需要利用热能时，开启控制泵、换能设备。本申请能够将闲置的地下空腔重新利用起来，地下进行储能与利用，实现对地下空腔的二次开发，提高了地下空腔的有效利用率。
Absstract of: CN121720147A
本申请提供的一种中深层水热型地热供暖系统及方法，具体涉及能源与动力工程领域；该系统包括地热井、直热换热设备、水源热泵设备及用户采暖设备；地热井实现地热水的开采与回灌，直热换热设备通过一次换热对用户采暖设备供热，水源热泵设备通过二次换热及提升二次热量品味对用户采暖设备供热，用户采暖设备实现对采暖建筑的精准供热；该系统的应用实现了地热水热量的充分利用、安全无污染的同层等量回灌、供热效率的大幅提升以及供暖系统的自动化控制，解决了传统利用工艺的诸多弊端，可实现中深层地热水的环保高效利用，具有显著的技术进步和实用价值。
Absstract of: AU2024329434A1
A geothermal reactor well system includes a closed-loop well coupled to one or more sources of reactants. The closed-loop well includes a first surface wellbore extending from a terranean surface to a geothermal subterranean zone and a second surface wellbore extending from the surface to the zone. A plurality of connecting wellbores connect the first surface wellbore to the second surface wellbore. At least a portion of the connecting wellbores are sealed against communication of fluids with the surrounding geothermal subterranean zone. A carrier fluid is disposed within the closed-loop well. The closed-loop well is configured so heat energy from the geothermal subterranean zone and/or reaction of reactants in the closed-loop well drives the fluids in the closed-loop well to circulate by thermosiphon and to thereby carry the reactants through the closed-loop well for the reaction and carry a product of the reaction through the closed-loop well for collection.
Absstract of: CN121720215A
本发明提供了一种热电联供系统，包括：储能换热子系统和有机工质循环子系统，储能换热子系统包括用于存储太阳能的热化学储能组件、热侧入口与热化学储能组件连接的第一换热器以及与第一换热器的热侧出口连接的第二换热器，第一换热器的冷侧入口与地热水采出井连接；有机工质循环子系统包括：蒸发器和第一预热器，蒸发器的热侧入口与第一换热器的冷侧出口连接，且冷侧出口与第二换热器的冷侧入口连接，第一预热器的热侧入口与蒸发器的热侧出口连接，且冷侧出口与蒸发器的冷侧入口连接。本发明能够通过将地热能与太阳能热化学储能进行耦合，共同对有机工质循环子系统提供热能，进行热电联产，实现对地热能和太阳能的高效利用。
Absstract of: WO2025039056A1
The present invention discloses an underwater system and method for heating fluids using geothermal energy and, according to a preferred embodiment of the present invention, promotes heat exchange between a flowing fluid stream and a rock formation surrounding a well, so as to enable an increase in the temperature profile of the fluid.
Absstract of: CN121702188A
本发明涉及一种热交换器、用于开发地热的热交换装置及其开发地热的方法，属于地热开采技术领域。包括壳体、筛状热交换片、环状热交换片、多个保护条和保护结箍。通过设置热交换器，当进行地热开发时，换热介质通过注入壳体内，环状热交换片能够将地热水的温度传导至壳体和筛状热交换片上，换热介质在筛状热交换片所设置的多个网眼作用下实现在壳体内的充分流动，提高换热介质与地热水之间的换热效率，当换热过程结束后，换热介质通过出口流出热交换器，开发地热的全程，换热介质未与地热水直接接触，避免了对地热水的污染；环状热交换片的外周还设置有多个保护条和多个保护结箍，对壳体、筛状热交换片、环状热交换片形成保护框架，避免损坏。
Absstract of: CN121702046A
本发明属于地热能利用技术领域，具体公开了一种U型井换热控制系统及方法，该系统包括由直井与水平井连通的换热回路、含蒸发器与冷凝器的换热组件、第一循环泵与第二循环泵、温度监测网络、热损失计算模块、数字孪生模块及控制模块组成，控制模块根据用户端需求温度，调控两个循环泵的输出压力，精确控制介质在水平井段和直井段的输送时间，从而主动、精准地将介质温度稳定在目标值。本发明通过对第一循环泵、第二循环泵压力的协同调控，直接控制介质在B‑A段和A‑C段的输送时间，从而主动地将A点和C点的温度稳定在目标值，提升了对用户端需求温度的响应速度与控制精度，从源头避免了能源的无效浪费，显著提高了系统能效。
Absstract of: CN121702047A
本发明提供了一种深井自循环提高地热温度的方法、装置、存储介质和设备。所述方法包括：基于历史数据选取目标深井；对所述目标深井进行取灌设计，根据取灌设计部署回灌井，设置浅层射孔井段；利用所述目标深井及浅层射孔井段，形成自循环模式，对所述浅层射孔井段的低温水进行加热；从所述目标深井中采出加热后的地热水完成热交换，通过所述回灌井进行回灌。本发明的深井自循环提高地热温度的方法提高了地热的利用率。
Absstract of: AU2024331393A1
A geothermal electrolysis system including a salt water intake to receive salt water from a salt water source, one or more geothermal wells to heat the salt water to produce heated salt water, a desalination plant including one or more desalination chambers for separating salt from the heated salt water to produce at least some fresh water, an electrolysis plant connected to the desalination plant and receiving a salt brine by-product from the desalination plant, wherein the electrolysis plant is configured to electrolyse the salt brine by-product to create electrolysed water, and one or more discharge outlets to discharge and store one or more of the products of the electrolysis system.
Absstract of: US20260078640A1
A high frequency torsional oscillation mitigation tool for use in a downhole drilling assembly. The tool has a first end, a second end, and a one-way coupling therebetween. The one-way coupling has a first part connected to rotate with the first end and a second part connected to rotate with the second end. The one-way coupling has an engaged condition in which the first part and the second part can rotate together in a first rotational direction whereby drill string rotation can be communicated to the drill bit. The one-way coupling has a disengaged condition in which the first part can rotate relative to the second part in a second rotational direction. The one-way coupling can have multiple sets of driving elements along its longitudinal axis. The tool can include a locking mechanism to override the one-way coupling for recovering a stuck downhole assembly.
Absstract of: US20260078932A1
A geothermal power generation system comprises: a heat collecting cover, comprising a cap and an opening, wherein the cap comprises a heat conducting layer, a thermoelectric conversion layer, and a heat dissipation layer, from inside to outside, wherein the opening faces a geothermal well; a thermometer, capable of measuring a collector temperature of the heat conducting layer; a lifter; a control circuit, controlling a height of the heat collecting cover apart from the geothermal well via the lifter according to the collector temperature.
Absstract of: US20260078658A1
A controlled rate of propagation of the fluid saturation front or thermal front is desired in may oil and gas and geothermal operations. Natural fractures and fractures created during hydraulic stimulation may have heterogeneous hydraulic properties resulting in uneven flow distributions, therefore leading to short-circuiting and breakthrough issues. The present invention relates to wellbores connected hydraulically by multiple fracture zones; methods are directed to control for even flow distribution among fractures, regardless of heterogeneities in fracture hydraulic properties, and to control propagation of saturation fronts and thermal fronts in subsurface reservoirs.
Nº publicación: EP4709965A1 18/03/2026
Applicant:
EAVOR TECH INC [CA]
Eavor Technologies Inc
Absstract of: CN121263582A
Drilling is performed in a wellbore in a subterranean region with a drill string including coiled tubing. The coiled tubing has a volume length normalized radial thermal resistance of at least 0.008 mK/W to heat transfer through the wall of the tubing. A drilling fluid is flowed through a drill string while drilling, wherein the ratio of drill string bulk density to drilling fluid bulk density is 2 or less.
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