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Updated on
04/02/2026 [07:47:00]
Absstract of: CN121451936A
本发明公开了一种基于井‑地多域数据的注采联动控制方法，属于注采监测和控制技术领域，能够解决现有技术无法同时实现井下‑地面多源信息的融合感知、秒级异常预警以及注采参数的联动智能控制的问题。所述方法包括：S1、根据采集的井下感知数据和地面感知数据确定待测井在对应采样周期的状态特征向量；S2、根据待测井在不同采样周期的状态特征向量确定待测井在当前采样周期的风险指数；S3、根据待测井在当前采样周期的状态特征向量和风险指数构建待测井在当前采样周期的回报函数；S4、求解待测井在当前采样周期的回报函数，并根据求解得到的最优控制策略控制待测井的注采设备在下一采样周期的注采动作。本发明用于注采联动控制。
Absstract of: CN121430211A
本发明涉及清洁能源利用技术领域，公开了一种相变潜热蓄能型中深层地热与太阳能光热的时空互补系统及方法，系统包括地热相变稳定化子系统、太阳能相变融合子系统、时空调制释放子系统；方法包括从中深层地质结构中提取原始地热流，将原始地热流的波动性热能转化为具有均匀热分布的稳定地热基荷；捕获太阳辐射能形成初始太阳能热流，将初始太阳能热流与稳定地热基荷通过相变材料的潜热释放与吸收循环进行热融合，将原始地热流和初始太阳能热流整合为单一的融合热储能；基于外部时空需求信号，从融合热储能中提取热能，根据时间与空间分布要求，输出符合外部时空需求的热能供应。本发明形成具备时空自适应能力的多能互补供热体系。
Absstract of: CN121430232A
本发明涉及地源热泵技术领域，公开了一种地源热泵地埋管分区布设及冷热平衡控制方法，包括以下步骤：获取所述地源热泵地埋管所在区域的当前三维地温场状态；预测在未来一预测时域内、不同控制策略下所述地温场的未来状态序列；基于一个以所述预测时域内的系统综合运行成本最小化为目标的多目标优化函数，求解得到一个最优控制序列；所述多目标优化函数至少包括表征系统短期运行能耗的能耗项和表征地温长期平衡状态的平衡项；执行所述最优控制序列中的首个控制动作。本发明构建的预测模型能够将物理规律与从实际运行中持续学习到的数据残差相结合，确保了控制决策所依赖的预测信息在系统长期运行中始终保持高保真度。
Absstract of: CN121435655A
本申请公开了一种地热井智能选址方法、装置、电子设备及地热井控制系统，本申请涉及地热井选址技术领域，所述地热井智能选址方法包括：获取地热井种群、地质模型以及适应度函数，地热井种群包括多个具有不同选址参数的地热井；根据各地热井的选址参数、地质模型和适应度函数，计算得到各地热井的适应度；检测地热井种群是否满足遗传终止条件；若不满足，则根据各地热井的适应度，对地热井种群进行遗传进化，以更新地热井种群，并返回执行：根据各地热井的选址参数、地质模型和适应度函数，计算得到各地热井的适应度的步骤；若满足，则将适应度最高的地热井作为目标地热井。本申请能够高效准确地完成地热井选址。
Absstract of: US20260027505A1
A scrubber for geothermal power generation, includes a treatment container, a drainage pipe, and a cooling mechanism. The treatment container separates geothermal steam into a separated gas and a separated liquid by treating the geothermal steam with a treatment liquid and has a steam supply opening to which the geothermal steam is supplied, and a gas release opening from which the separated gas is released. The drainage pipe is placed below the treatment container to discharge the separated liquid. The cooling mechanism cools a portion of the treatment container between the steam supply opening and the drainage pipe.
Absstract of: US20260028968A1
Methods are provided for extracting thermal energy from a geothermal reservoir having at least one feature extending therethrough, which involve drilling or accessing a production well that intersects the at least one feature, wherein the at least one feature provides a flow path of pressurized geothermal fluid into the production well. Well log data can be analyzed to determine position of the at least one feature in the production well. One or more interventions, or combinations of interventions, can be performed to open the feature or otherwise enhance the flow rate of pressurized geothermal fluid carried by the feature into the production well. The intervention(s) can be performed on multiple features that connect to the production well. The method can also be applied to multiple production wells.
Absstract of: US20260029165A1
A groundwater heat exchanger includes a plurality of heat exchange pipes, a housing and a cable channel. Each of the heat exchange pipes is configured to receive a loop fluid flow. The housing has an interior chamber that contains the heat exchange pipes and defines a groundwater passageway that is configured to receive a groundwater flow. The cable channel is formed on an exterior of the housing and extends along a central axis of the housing. The cable channel includes at least one cable pathway configured to receive one or more cables.
Absstract of: US20260028891A1
The present invention proposes a packer, comprising a central tube (1), an outer surface of which is provided with a first prefabricated groove (11); a rubber cylinder unit (2), comprising a rubber cylinder assembly (21), an upper rubber cylinder seat (22) and a lower rubber cylinder seat (23), a slot (221) being formed in an inner wall surface of the upper rubber cylinder seat; an upper anchoring unit (3) and a lower anchoring unit (4) arranged at both ends of the rubber cylinder unit, respectively, the upper anchoring unit comprising an upper cone (31) and an upper slip (32), and the lower anchoring unit comprising a lower cone (41) and a lower slip (42); and an unsetting mechanism (5), comprising a connecting sleeve (51), wherein through grooves (511) are arranged on the connecting sleeve, and one unsetting block (52) is arranged in each through groove.
Absstract of: US20260028271A1
A high-thermal conductivity grout composition is provided. The composition includes a grout mixture including a cementitious material, a retarder, and a high-thermal k material that advantageously can form a pumpable slurry upon admixture with water. The retarder is present in an amount effective that delays setting of the grout mixture at a target location having a geostatic target temperature of at least 300° F. for at least two hours. The high-thermal k material is present in an amount effective such that the grout mixture has, upon setting at the target location, a thermal conductivity of at least 1 W/m° K.
Absstract of: GB2700388A
A geothermal heat extraction system comprising: a heat transfer column F placed within a borehole, the column formed of a plurality of preformed cartridges containing a heat dissipating material, the cartridges connected by a heat transfer sub containing a heat transfer plug; and a heat exchanger X connected to the surface end of the column. The heat dissipating column may be graphite or aluminium oxide and may be in a solid or a granular form. The column may be surrounded by casing S comprising a graphene pipe or graphe foil wrap encased in a steel or composite tubing. Figure 2
Absstract of: WO2024194342A1
The invention relates to a device for exchanging geothermal energy with an aquifer which is near the surface for an operation in a thermal power station using an exploitation well (1) for conveying groundwater out of the aquifer (3) through at least one exploitation line (7) and using an injection well (4) for injecting the conveyed groundwater into the aquifer (3) through at least one injection line (9), wherein the at least one exploitation line (7) and the at least one injection line (9) are connected together via a primary line (17) in order to transfer water. The invention is characterized in that the exploitation well (1) has at least one horizontal exploitation section (6) at the aquifer-side end (12) thereof, the at least one exploitation section (6) is operatively connected to at least one exploitation line (7) in order to convey water out of the aquifer (3), and a filter tube (2) is arranged within the at least one exploitation section (6).
Absstract of: EP4685413A1
A groundwater heat exchanger includes a plurality of heat exchange pipes, a housing and a cable channel. Each of the heat exchange pipes is configured to receive a loop fluid flow. The housing has an interior chamber that contains the heat exchange pipes and defines a groundwater passageway that is configured to receive a groundwater flow. The cable channel is formed on an exterior of the housing and extends along a central axis of the housing. The cable channel includes at least one cable pathway configured to receive one or more cables.
Absstract of: CN121408874A
本发明涉及一种中低温深度取热的吸收式冷热双工况级联系统及其运行方法，包括地热一次侧取热单元、双热泵级联单元、用户端及冷却塔，地热一次侧取热单元与双热泵级联单元形成“串联取热降温+串联升温提位+多源并联混合”的协同模式，能够同时获得60‑80℃供暖热水与7℃冷冻水，提供供热、制冷双工况运行。本发明以第二类吸收式热泵将地热中温直接作为驱动热源，无需电压缩机；再与第一类吸收式热泵级联，使井口出水进一步放热，将回灌温度压低至约20℃再进行回灌，实现“多用热”；同时提供用户所需的供热/冷冻输出；通过阀门与循环泵的联动，仅以小功率泵耗即可完成工况切换与能量分配，达到少耗电、深度取热的目标。
Absstract of: CN121413338A
本发明涉及地热能利用技术领域，公开了基于地质分层的深浅耦合地源热泵系统优化设计方法，方法包括以下步骤：S1，获取目标场地的地质分层信息，以及各分层的热物性参数、水力参数和力学参数；S2，针对深部换热器基元和浅部换热器基元；S3，引入运行权向量，用于定义全生命周期内深、浅部换热系统承担建筑负荷的动态分配比例；S4，建立以全生命周期总成本最小化为目标函数的优化模型；S5，采用优化策略求解所述优化模型，获得最优解；S6，根据所述最优解，输出一体化优化设计方案。通过将物理布局设计与动态运行策略进行一体化协同优化，全面考虑了地层热－水－力耦合效应，实现全生命周期成本的最小化。
Absstract of: CN121409025A
本发明公开了一种多结构耦合的土壤长周期储热装置，属于可再生能源储能技术领域。该装置包括圆柱状土壤储热体、短期蓄热水箱以及高温分集水系统和低温分集水系统。土壤储热体在径向上划分为中心区、中间环区和外周区，中心区和中间环区布置U型管结构的浅层储热井，外周区布置同轴套管结构的中深层储热井，并形成内密外疏的布局。高温分集水系统将高温工质优先导入中心区及外周区储热井，低温分集水系统将低温工质导入中间环区储热井，从而在地下主动构建“高‑低‑高”的温度场梯度。这种结构利用外围低温区形成热屏蔽效应，并结合顶面保温板，有效抑制了径向和向上的热损失，显著提高了跨季节储热效率。
Absstract of: CN121407914A
本发明涉及一种地热能换热系统及其布井压裂制备方法，地热能换热系统，包括分别布置于岩石的注入水平井、采出水平井及直井，所述注入水平井具有相对的注入竖直段和注入水平段，所述采出水平井具有相对的采出竖直段和采出水平段，所述注入水平段在所述采出水平段下方，所述注入水平段通过若干第一压裂裂缝连通所述采出水平段，所述直井的底部比所述采出水平段深，所述直井的底部通过若干第二压裂裂缝连通所述采出水平段。上述地热能换热系统，形成联合注采井，获得足够大的裂缝表面积来确保压裂裂缝与注入流体的热交换能迅速有效实现，能够提高换热效率，还能够提高采出井温度和流量，这对于深层地热资源的开发利用将发挥重要的技术支撑作用。
Absstract of: CN121407555A
本发明公开了一种预制能源桩，涉及预制桩技术领域，包括上桩体和下桩体，所述上桩体和下桩体内固定连接有介质管道。本发明通过安装有上连接件、中间连接件、下连接件，实现桩体与桩内介质管道的快速对接，解决多段桩体内介质管道对接困难的问题，实现工厂预制与现场装配的协同，提高施工效率。
Absstract of: CN121408860A
本发明公开了一种基于地热井的换热系统，涉及地热设备技术领域。包括地下换热系统，所述地下换热系统包括U型换热管和螺旋导热件，所述U型换热管设置于地底，并且所述螺旋导热件套设于所述U型换热管上，所述U型换热管上设置有循环泵；地上换热系统，所述地上换热系统包括热交换组件、上介质管道和压力控制组件，所述上介质管道的两端分别与所述U型换热管的两端相连接，所述压力控制组件与所述上介质管道相连接，所述热交换组件与所述上介质管道相连接；PLC，所述PLC分别与所述地下换热系统和所述地上换热系统相连接。本发明可对U型换热管进行预热，避免寒冷状态下突然高温对U型换热管的刺激，可提高U型换热管的使用寿命。
Absstract of: CN121381701A
本发明提供了一种倾斜微桩能源桩热‑力响应试验系统及试验方法，包括微桩能源桩、模型箱、荷载加载装置、循环温控装置、桩顶位移测试装置、数据采集设备和排水系统。微桩能源桩斜置于模型箱中，模型箱配有排水系统与孔压力计，可进行饱和或非饱和土体测试；模型箱外配有循环温控装置，通过换热管向微桩能源桩输送换热液，实现能源桩系统模拟；微桩能源桩桩内和桩表面设有热电偶与应变片，周边土体埋有热电偶，桩顶设有位移计，结合数据采集系统可实现温度、应变与位移数据的收集。本发明可基于饱和或非饱和土体，针对倾斜微桩能源桩施加倾斜轴力，测试桩体温度应力分布及周边土体温度，可用于测试微桩能源桩系统的热‑力响应。
Absstract of: CN121382148A
本发明涉及新能源开发与储能技术领域，公开一种基于深地干热岩层储氢与地热能开发的耦合系统及其工作方法，耦合系统包括地表子系统、井筒子系统和干热岩储层；地表子系统包括制氢单元、氢气压缩注入模块、发电热电联供单元、气体分离纯化模块和中央控制系统；气体分离纯化模块连接有电网；井筒子系统包括井下采出设备、井筒输送系统和地面井口装置；井筒输送系统包括注入井和生产井，干热岩储层包括若干条相互连通的人工裂隙网络，人工裂隙网络内安装有监测模块。本发明将大规模储氢与干热岩开发结合，利用干热岩储层的空间、高温环境与封闭性，同步实现氢气储存、地热高效提取与转化，破解储氢与增强型地热系统的发展难题。
Absstract of: CN121383462A
本申请公开了一种用于油气中心处理站跨季节储取协同U型井系统,属于地热开采及应用技术领域。包括一带二模式地热井、太阳能集热场、除砂器、U型换热器、第一缓冲罐、第二缓冲罐、蒸发器、压缩机、膨胀阀、冷凝器、第一循环水泵、第二循环水泵、第三循环水泵、智能中央控制器、多深度土壤温度传感器阵列、气象数据接口模块及若干智能电动调节阀。本申请通过巧妙的系统构型和阀门控制逻辑，实现了太阳能与地热能在跨季节时间尺度上的高效协同，既利用太阳能和油气中心处理站核心设施产生的余热补充了地热能的消耗，缓解了土壤热失衡，又利用地热能的稳定性弥补了太阳能的间歇性，最终达到了节能减排、延长系统寿命的目的。
Absstract of: CN121382124A
本发明属于地热能开发利用技术领域，尤其涉及一种深层地热开采井的高效抽采设备，包括多个抽水装置，多个所述抽水装置通过多个延长管件依次串联接通，靠近井口的所述抽水装置与吊装设备上的钢丝绳固定连接；所述抽水装置包括抽水机构、固井组件和导正机构，所述固井组件套设在所述抽水机构的外壁上，所述固井组件用于与井壁摩擦接触，以保持所述抽水机构在井内的工作位置，所述导正机构设置在所述抽水机构的底端，所述导正机构用于将抽水机构顺利下放至井内并与井体保持同轴。本发明保障了抽水机构在井内的稳定固定以及顺利下放井底和始终与井体同轴定位，有助于提升抽采运行的稳定性。
Absstract of: CN121383290A
本发明提供一种地热能源供热状态监测方法，涉及供暖监测技术领域，本发明将供热系统划分为主干网层、支线网层和末端用户层三个层级，并在各层级的功能节点定时采集温度、流量、压力，形成同一时刻的状态快照向量，基于这些快照向量实时计算每个功能节点的热功率，并据此分析各级管网的热能损耗总功率，若某层级热能损耗超出预设阈值，则锁定该层级并筛选其中所有功能节点为监测对象，调取其历史数据，提取多维异常特征，通过对异常特征的序列分析和标准差判据，判定变异时刻，并以变异时刻在连续采样周期内是否均有出现为依据，判断节点是否出现异常及其最早发生时刻，最后结合能量流路径追踪异常传播路径。
Absstract of: CN121383461A
本发明涉及地源换热技术领域，公开了一种钢筋混凝土地下换热器预制模块及其安装方法，包括：换热器本体，内部限定出换热通道，换热通道分别与进风管以及出风管连通；螺旋肋呈螺旋形布置于换热通道的内表面。通过换热器本体将换热通道与浅层地层隔开，利用钢筋混凝土制成的换热器本体作为换热结构，具有抗水汽侵蚀和抗挤压变形能力，延长使用寿命；同时，在换热通道内设置螺旋肋，空气进入换热通道后形成旋流，能够避免在通道内壁形成空气边界层，进而提高换热效率。换热器本体的前后两侧设置有换热凹槽，能够增加换热器本体与浅层地层的换热面积，多条换热通道在换热器本体内蜿蜒布置，能够提高管道布置长度，大幅减少沟槽的开挖量。
Nº publicación: CN121382122A 23/01/2026
Applicant:
中国地质大学（武汉）中国地质大学（武汉）内蒙古研究院
Absstract of: CN121382122A
本发明公开一种不可采煤层耦合煤层气开采的地热储能系统以及方法，包括地面集热单元、注热储能单元及联产单元，地面集热单元收集太阳能和风光过剩电能并转化为高温热能；注热储能单元包括注热装置、注入井、抽采井、人工热储空间、上盖层和下盖层，不可采煤层中位于注入井和抽采井间的部位经改造后形成渗透率为10‑100 mD的人工热储空间，注热装置与地面集热单元、注入井连接，将高温热能注入人工热储空间内储存，且使得人工热储空间内吸附态煤层气解吸为游离态；联产单元与抽采井连接，利用高温热能供暖/供冷、回收游离态煤层气供气发电；如此，开发不可采煤层资源，消纳太阳能和风光过剩能源，实现高效地热储能、稳定发电供暖/供冷。
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