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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

Resumen de: 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。

高熱伝導性スラリー組成物及びその方法

Resumen de: MX2025014876A

A high-thermal conductivity slurry composition is provided that includes slurry mixture comprising a high-thermal k material and an optional dispersant. The high thermal k material is in form of a plurality of particles having a wide size distribution that spans across at least 2 log units. The high-thermal k material is present in an amount effective such that the slurry composition has, upon compaction or settling of the slurry mixture at a target location, a thermal conductivity of at least 3 W/m°K.

DRILLING IN HOT ZONES ON COILED TUBING

Resumen de: 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.

TEMPERATURE MANAGEMENT OF DRILL STRING COMPONENTS

Resumen de: 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.

地热反应器井

Resumen de: 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.

一种热电联供系统

Resumen de: 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。

多分支径向井辅助U型井强化闭式取热系统及施工方法

Resumen de: 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。

一种耦合火力发电的地热能储能系统及方法

Resumen de: 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。

一种深部地热簇式集中探采布井方法及钻井结构

Resumen de: 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。

一种基于地下空腔的储能利用系统和工艺方法

Resumen de: 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。

中深层水热型地热供暖系统及方法

Resumen de: 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。

使用地热能来加热流体的水下系统和方法

Resumen de: 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.

一种U型井换热控制系统及方法

Resumen de: 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。

深井自循环提高地热温度的方法、装置、存储介质和设备

Resumen de: 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。

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

Resumen de: 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。

SEA WATER GEOTHERMAL SYPHONING PURIFICATION, DESALINATION AND ELECTROLYSIS SYSTEM

Resumen de: 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.

Geothermal power generation system

Resumen de: 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.

HIGH FREQUENCY TORSIONAL OSCILLATION MITIGATION TOOL

Resumen de: 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.

METHODS AND SYSTEMS TO CONTROL FLOW AND HEAT TRANSFER BETWEEN SUBSURFACE WELLBORES CONNECTED HYDRAULICALLY BY FRACTURES

Resumen de: 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.

TEMPERATURE MANAGEMENT OF DRILL STRING COMPONENTS

Resumen de: 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.

DRILLING IN HOT ZONES ON COILED TUBING

Resumen de: 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.

スケール抑制方法、スケール抑制装置、地熱発電システム及び流体利用システム

Resumen de: JP2026049588A

【課題】シリカスケールの析出をより精度良く抑えることができるスケール抑制方法を提供する。【解決手段】本発明に係るスケール抑制方法は、溶存シリカ及び水を含有する流体に含まれる、対象となる陽イオンの濃度と、流体中の溶存シリカの濃度との関係を示す溶存シリカ濃度曲線に基づいて、流体中の陽イオンの濃度を調整する陽イオン濃度調整工程を含み、溶存シリカ濃度曲線は、陽イオンの濃度が増加するにしたがって溶存シリカの濃度が溶存シリカの初期濃度よりも上昇する第１の濃度範囲と、陽イオンの濃度が第１の濃度範囲よりも増加するにしたがって溶存シリカの濃度が低下する第２の濃度範囲とを含み、陽イオン濃度調整工程は、流体中の陽イオンの濃度を、第１の濃度範囲内、又は第２の濃度範囲のうち溶存シリカの初期濃度以上となる範囲内とする。【選択図】図３

CROSS-CONTROL CAPABLE RECIRCULATING GROUNDWATER-BASED HEATING AND COOLING SYSTEM AND RECIRCULATING METHOD THEREOF

Resumen de: KR20260037979A

본 발명은 복수의 순환 저수조를 운용하면서 단일 순환 라인을 통해 복수의 순환 저수조에 저수된 순환 지하수의 수위 및 온도를 체킹하여 복수의 순환 저수조 중 특정 순환 저수조에 저수된 순환 지하수의 수위가 사전설정된 수위 미만이거나, 특정 순환 저수조에 저수된 순환 지하수 온도가 사전설정된 온도 미만이거나 사전설정된 온도를 초과하는 경우에는, 복수의 순환 저수조 중 특정 순환 저수조를 제외한 다른 순환 저수조에 저수된 순환 지하수를 공급함으로써, 적은 용량의 순환 지하수로도 대규모의 농업 단지에 적용할 수 있는 교차 제어가 가능한 재순환 지하수를 활용한 냉난방 시스템 및 그 재순환 방법에 관한 것이다.

一种用于地热尾水回灌的反冲洗过滤装置及方法

Resumen de: CN121668781A

本发明涉及反冲洗过滤罐的技术领域，公开了一种用于地热尾水回灌的反冲洗过滤装置及方法，其中，一种用于地热尾水回灌的反冲洗过滤装置，包括壳体，设置在壳体底部的排污管、设置在壳体中心的内筒、分别设置在内筒上、下端面且连接壳体的上挡环和下挡环，以及设置在内筒外侧且连通上挡环和下挡环的多根过滤筒，还包括，旋转设置在壳体中心的转动轴，转动轴转动连接有排污臂，排污臂转动时与任一过滤筒吻合，排污臂转动连接排污管；设置在排污臂内且由反冲流体驱动的涡轮；由该涡轮驱动的离心调速器，由离心调速器在设定转速下触发的锁止释放机构；当反冲流量低至设定值时，离心调速器触发锁止释放机构，使排污管旋转至下一过滤筒下端。

一种空气源热泵蓄热与地源热泵供暖系统及使用方法

Nº publicación: CN121677021A 17/03/2026

Solicitante:

上海理工大学

Resumen de: CN121677021A

本发明涉及一种空气源热泵蓄热与地源热泵供暖系统，涉及空调技术领域，包括地源热泵与空气源热泵，地源热泵一侧连接室内换热器，地源热泵的另一侧连接用热环路，用热环路上设有用热环路循环泵，用热环路上连接多组用热环路地埋管；空气源热泵一侧连接室外换热器，空气源热泵的另一侧连接充热环路，充热环路上设有充热环路循环泵，充热环路上连接多组充热环路地埋管；用热环路地埋管与充热环路地埋管均设置在蓄热井中；用热环路地埋管上设有用热环路截止阀；充热环路地埋管上设有充热环路截止阀。本发明采用同井双环路的蓄热井，提高了系统运行的能效和灵活性。采用跨季节蓄热模式，缓解热量季节性供需不平衡。