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Updated on
25/03/2026 [08:10:00]
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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.
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.
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.
Absstract of: CN121677187A
本发明公开了一种用于地铁能源管片的表面敷设管道快速安装装置，包括基座、管道卡扣和柔性垫层，基座设置在所述管片的内表面，基座底部设有与所述管片内表面曲率相适配的曲面安置座，管道卡扣与基座可拆卸连接，用于将换热管道压紧安置在基座上，柔性垫层设置在基座与管片之间，和/或设置在基座、管道卡扣与换热管道的接触面，确保基座和换热管道的安装稳定性，管道卡扣将换热管道压紧安置在基座上，并与基座可拆卸连接，使得换热管道能在管片安装完成后，才设置在管片内表面，安装方便快速，且易于拆卸进行维护，以提高换热管道与管片配合的稳定可靠性。
Absstract of: 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。
Absstract of: CN121677188A
本发明公开了一种利用地热能的取回水共用井，本发明中，在井壁中设置有较粗的回水管，回水管贴合井壁设置，回水管中设置有滤水段，地下出水层的水通过井壁的砾石及滤水段的过滤后流入回水管中，取水管插入回水管中，水泵设置在取水管底部，水泵将回水管中的水抽出供空调系统换热使用，换热后的尾水再通过回水管顶部的连接管流回井中，冬季井中水温高于外界环境温度，可以为空调系统提供热源，夏季井水中的水温低于外界环境温度，可以为空调系统提供冷源，尾水回流井中及时补给，实现了同井“取热不取水”，使单井中水源达到动态平衡，可维持含水层的压力稳定，从而保证地热系统的换热功率长期稳定，延长地热田的使用寿命。
Absstract of: TW202519804A
A control device according to the present invention comprises: an operation control unit that can switch between a first cold storage mode that supplies heat stored at a hot water well to a cooling tower without the mediation of heat source equipment and stores cold obtained from the cooling tower at a cold water well without the mediation of the heat source equipment, a second cold storage mode that supplies heat stored at the hot water well to the cooling tower via the heat source equipment and stores cold obtained from the cooling tower at the cold water well via the heat source equipment, a first cold emission mode that supplies cold stored at the cold water well to equipment without the mediation of the heat source equipment, and a second cold emission mode that supplies cold stored at the cold water well to the equipment via the heat source equipment; a calculation unit that calculates an integrated cold storage amount; a prediction unit that predicts a necessary cold storage amount; and a mode determination unit that determines whether control is to be performed in the first cold storage mode or the second cold storage mode on the basis of the integrated cold storage amount and the necessary cold storage amount.
Absstract of: CN121677189A
本发明公开了一种中高温地热井旋风式井口生产装置，其包括：立式的旋风闪蒸罐，用于进行汽水分离，旋风闪蒸罐的中部设置有用于接收地热两相流的两相流入口；卧式的热水稳压罐，用于接收旋风闪蒸罐分离出的热水并稳定其液位与压力；旋风闪蒸罐的底部通过热水管道与热水稳压罐连接，旋风闪蒸罐的上部通过平衡管与热水稳压罐的顶部连接，旋风闪蒸罐内设置有竖直的蒸汽管道，蒸汽管道的上端靠近旋风闪蒸罐的顶部，蒸汽管道的下端从旋风闪蒸罐的底部密封穿出，热水稳压罐的底部设置有第二热水出口；本方案可实现动态闪蒸面的动态稳定，并确保了热水中无蒸汽、蒸汽中无液体，实现水汽的彻底分离。
Absstract of: CN121689576A
本发明属于地下能源存储与地热利用技术领域，尤其涉及一种利用煤矿地热的地下压缩空气储能装置及方法，包括：地下储库、地热利用系统和地面压缩发电系统。该方法通过分阶段控制地热利用系统实现高效储能：压缩阶段关闭系统，将高压空气注入储库，压缩热存于围岩；储存阶段开启系统，通过热吸收模块汲取地热，经热传递模块加热空气提升势能；放电阶段关闭系统，释放空气发电并从围岩吸热。本发明将地热补给与储能过程耦合，显著提高发电时空气的初始温度和势能，解决传统方法热能管理失衡问题，实现地热资源高效利用与放电量提升。
Absstract of: 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。
Nº publicación: CN121655017A 13/03/2026
Applicant:
中石油深圳新能源研究院有限公司中国石油天然气股份有限公司
Absstract of: CN121655017A
本发明公开了一种供暖制冷系统及其控制方法。供暖制冷系统包括控制系统、地热系统、室外换热器和冷热供给系统；地热系统用于供暖模式的热量生产和制冷模式的热量埋存，并向控制系统传输运行过程中的第一物理量数据；冷热供给系统用于通过室外换热器与地热系统进行热交换，并向控制系统传输运行过程中的第二物理量数据和用户侧的目标需求温度；控制系统用于根据用户侧当前温度和目标需求温度，判定运行模式；控制系统还用于根据第一物理量数据、第二物理量数据和目标需求温度，向地热系统和冷热供给系统输出控制信号。本发明能够提升供暖制冷系统的用能效率，并且能够避免因供需不匹配而造成的热能、电能浪费的问题。
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