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64
results.
Updated on
27/02/2026 [07:29:00]
Absstract of: AU2024256536A1
A first fluid is produced from a first subterranean formation, and the fluid is used to generate electricity and/or heat a second fluid. The first fluid is injected into a second subterranean formation that is different from the first subterranean formation. The first fluid is transferred from the second subterranean formation to the first subterranean formation. In some implementations, the first fluid is produced from the first subterranean formation at a first zone of a well, and is injected into the second subterranean formation at a second zone of the well. In some implementations, the generation of electricity using the first fluid is performed with an electrical submersible generator installed in the well. In some implementations, the transfer of the first fluid from the second subterranean formation to the first subterranean formation is performed using the electrical submersible generator as a pump.
Absstract of: AU2024257437A1
A geothermal power system includes a pressure exchanger fluid ically coupled to a heat exchanger. A first fluid enters the pressure exchanger at a first inlet, and flows in a first fluid path to a first outlet. The first fluid flows from the first outlet to the heat exchanger. The first fluid heats a second fluid at the heat exchanger. The first fluid flows from the heat exchanger to a second inlet of the pressure exchanger. The first fluid enters the pressure exchanger at the second inlet, and flows in a second fluid path to a second outlet. A pressure of the first fluid reduces as the first fluid transits through the pressure exchanger along the first fluid path. A pressure of the first fluid increases as the first fluid transits through the pressure exchanger along the second fluid path.
Absstract of: GB2630448A
A system and method for monitoring a supercritical geothermal reservoir. The method comprises injecting an injection fluid and at least one tracer into the geothermal reservoir. The method comprises taking at least one sample of supercritical fluid produced from the geothermal reservoir and measuring a concentration of the at least one tracer in the at least one sample. The method comprises monitoring at least one characteristic of the supercritical geothermal reservoir based on measured concentration of the at least one tracer.
Absstract of: GB2629256A
A system and method for monitoring a subterranean formation. The method comprises injecting injection fluid into the at least one injection well wherein the at least one injection well is in fluid communication with the subterranean formation. The method comprises injecting or releasing at least one tracer into the at least one injection well and taking at least one sample from fluid produced from the subterranean formation. The method comprises measuring a concentration of the at least one tracer in the at least one sample and based on the measured concentration of the at least one tracer monitoring at least one characteristic of the subterranean formation.
Absstract of: WO2024218548A1
A method performed on a wellbore system with a first surface wellbore extending from a terranean surface to a subterranean zone, a second surface wellbore extending from the terranean surface to the subterranean zone and a plurality of connecting wellbores in the subterranean zone each connecting the first and second surface wellbores. A lateral wellbore is drilled using a drill string extending through the first surface wellbore. While drilling, flow of drilling fluid from the drill string is sealed against returning towards the first surface wellbore through the connecting wellbores.
Absstract of: AU2024257729A1
A well is completed in a subterranean formation with first and second fractures. Geothermal fluid flows into the well via the first fracture while flow into the well via the second fracture is prevented. Geothermal fluid flows into the well via the second fracture while flow into the well via the first fracture Is prevented. Fluidic access in the well to the first and second fractures is closed off. Then the well is recompleted on the subterranean formation by creating third and fourth fractures in the subterranean formation. The first, second, third, and fourth fractures are discrete from each other. Geothermal fluid flows into the well via the third fracture while flow into the well via the first, second, and fourth fractures is prevented. Geothermal fluid flows into the well via the fourth fracture while flow Into the well via the first, second, and third fractures is prevented.
Absstract of: CN121557534A
本发明涉及地热能利用与建筑工程技术领域，具体为一种基于地热钻井施工期的现场临时供暖系统及方法，解决了地热钻井施工期在施工时，地热钻井一旦钻遇热储层，会产出高温地热流体，即热水，在传统施工模式中，这部分热量在测试完成后往往被直接排放或闲置，直至正式的地热电站或供暖站建成，这造成了施工期间宝贵热资源的白白浪费的问题，包括地热井子系统，包括至少一口产出热流体的地热开采井和至少一口用于流体回注的地热回灌井。本发明可通过即采即用和闭环循环的方式，实现钻井施工期地热资源的即时高效利用与零浪费功能，同时本发明还可直接利用地热能替代传统燃料，实现显著降低供暖运行成本与能源消耗的功能。
Absstract of: CN121550710A
本公开提出一种基于地热水供应膜分离提氦的地热水除气装置，包括：地热水处理结构，所述地热水处理结构包括地热水处理箱，地热水处理箱内装设有搅拌脱气结构；排气结构，所述排气结构位于地热水处理箱内的中部，排气结构内装设有补偿加热结构，排气结构的周侧装设有分散脱气结构；除砂结构，所述除砂结构与排气结构和分散脱气结构相对应。在本公开的一种基于地热水供应膜分离提氦的地热水除气装置中，可以较为彻底的将地热水中的气体分离出，并且可以通过除砂结构进行辅助脱气，从而提高脱气的效果，加快脱气的效率，并且可以通过膜脱气结构将气体中不同的成分分离出来，从而方便对氦气进行利用，提高装置的经济效益。
Absstract of: CN121556924A
本发明提供煤矿瓦斯‑热害联合治理与地热利用的方法，基于地面U型井技术，通过一体化布置气‑热共采井与采热井，在煤炭开采前同步抽采煤层瓦斯和地层热能，从源头协同治理瓦斯涌出与高温热害，同时，将回收的瓦斯与地热水分别作为燃气和热源进行资源化利用，并通过井群协同与注采调控实现高效运行，最终构建了“煤‑气‑热”多资源协同开发新模式，实现了煤矿瓦斯‑热害联合治理与地热利用，实现了灾害治理与资源利用的效益最大化，推动了煤矿的安全、绿色与高效开采。
Absstract of: CN121549203A
本发明公开了一种基于地热能的温室加热系统，包括室外地热能换热系统，通过循环介质与地表下岩石进行热交换获取低温热能再进行升温输出；散热末端单元，布置于温室内接收室外地热能换热系统输出的热能实现供热；智能温控单元，布设于温室各区域及地热能采集单元周围土壤，实时反馈温度数据并通过控制散热末端单元供热，保持温室内温差小于预设范围；土壤热平衡监测模块，与智能温控单元电连接，实时监测地层温度分布，动态优化室外地热能换热系统；余热回收单元，用于回收室外地热能换热系统冷凝废热并二次利用。本发明较传统燃煤锅炉减少70%碳排放，温室气体减排效率显著，系统运行无燃烧过程，无污染物排放，契合绿色农业与低碳能源转型需求。
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: US20260048360A1
A method of removing carbon dioxide from a carbon dioxide-containing gas includes absorbing carbon dioxide from the carbon dioxide-containing gas in an absorber with a lean absorbent to form a loaded absorbent, heating the loaded absorbent using a geothermal energy source and to form a heated loaded absorbent, and providing the heated loading absorbent to a regenerator to form a carbon dioxide-rich gas and the lean absorbent. Related systems and methods of removing carbon dioxide from a carbon dioxide containing gas utilizing a geothermal energy source are also disclosed.
Absstract of: US20260049743A1
A geothermal heating and cooling system comprising a conduit comprising a biaxially oriented pipe made by a process comprising a) forming a polymer composition comprising an ethylene-based polymer and/or a propylene-based polymer into a tube and b) stretching the tube in the axial direction and in the peripheral direction to obtain the biaxially oriented pipe.
Absstract of: US20260049744A1
Compositions and methods for thermal reach enhancement (TRE) are presented in which a TRE material comprises at least two functionally distinct solid components that enable high thermal conductivity with minimal flowback during and after placement, even where the TRE is placed into a low permeability formation. The first component is characterized by low kinetic friction and deformability upon compression, the second component is characterized by high internal and external kinetic friction and interlocking upon compression, and the first and second components form a compacted hybrid high thermal k material with minimal void space.
Absstract of: MX2025008412A
Apparatus, system, and method for controlling molten salt heat exchangers. The system includes a magma-driven heat exchanger that extends at least partially into a magma body containing magma. Molten salt flowing through the magma-driven heat exchanger absorbs heat from the magma to form heated molten salt. A second heat exchanger located externally to the magma-driven heat exchanger uses the heated molten salt to heat a working fluid from a first temperature to a second temperature that is higher than the first temperature. The system also includes a set of fluid conduits defining a flow path that conveys the molten salt between the magma-driven heat exchanger and the second heat exchanger in a loop. Fluid control devices are included for controlling flow of the molten salt through the flow path.
Absstract of: CN121539886A
本申请提供了一种采用同轴套管式透水管桩的浅层地热能开采方法，包括以下步骤：步骤S1，预制同轴套管式透水管桩；步骤S2，安装所述同轴套管式透水管桩；步骤S3，地下水通过所述透水孔与同轴套管式透水管桩接触；步骤S4，循环介质通过外管管壁与桩外水体持续进行热交换；步骤S5，通过透水孔，外管管壁直接与地下水接触，再将地下水热能传递给带有第一温度t1的循环介质，从而间接实现地下对流换热功能。本发明采用透水管桩的桩体，主动引导地下水在桩身孔隙中渗透流动，流动的地下水将同轴套管释放或吸收的热量通过对流方式迅速带走，极大地强化了热量在桩体与水体间的输运速率。
Absstract of: CN121539906A
本发明公开了一种地源热泵安装结构及其地源热泵系统，属于地源热泵技术领域，包括地台，本发明中，通过设置有螺旋式换热管，相较于传统的单一直管或者U型管，螺旋式换热管有效的增加了地源热泵的换热面积，进而提高了地源热泵的热量交换效率，在面对复杂的地质条件时，保证了地源热泵的换热波动的稳定性，缓冲垫圈可以吸收土壤沉降产生的冲击力，有效的缓冲了换热管受到的应力，避免了固定锚套直接压迫导致换热套管破损，提高了换热管的热传导效果，采用固定锚套可以实现对换热管的整体结构进行固定，防止了换热管因土壤沉降、地下水流动出现移位或者变形，增强了安装结构的稳定性，使安装结构可适用于松软地质的区域，提高了安装结构的适用性。
Absstract of: CN121539885A
本发明公开了一种干热岩地热资源开采方法、装置、设备及存储介质。该方法包括：对预先在目标开采区域中布局的多组地热采灌井进行参数监测，确定多组地热采灌井中当前正在地热资源开采的第一采灌井，并确定所述第一采灌井对应的第一采灌参数；根据所述第一采灌参数，确定用于切换采灌井的采灌井切换分数；根据预先制定的切换阈值范围和所述采灌井切换分数，确定切换所述第一采灌井的采灌井切换方案，并根据所述采灌井切换方案，将当前正在地热资源开采的第一采灌井切换至多组地热采灌井中的其他采灌井，以实现井组的智能切换与热储均衡开发，保障了地热产能的连续性，延长了地热资源的使用寿命，为干热岩资源规模化开发提供经济可行的技术路径。
Absstract of: CN121520746A
本申请涉及地热能开发利用技术领域，公开了中深层地温能无水开采的多井协同强化换热方法。该方法构建包含中心主采热井、辅导热井阵列及温敏相变热导桥接灌浆域的倒锥形热传导网络。运行时，中心井注入低温工质致使灌浆域降温至相变温度以下，触发微胶囊相变收缩，诱导高导热填料相互接触并构建导热渗流网络，使灌浆域热导率由基态转变为增强态。辅导热井利用重力热管原理将远场热量汇聚并传递至中心井。本发明利用温度场驱动材料微观结构演变，实现了热导率的自适应调节，在显著扩大取热体积的同时，降低了非运行期间的井筒热散失，提升了地热能开采效率，减少了非运行期间井筒内工质热量向地层的反向散失。
Absstract of: CN121520747A
本申请涉及地热能利用技术领域，公开了一种利用超临界二氧化碳的中深层地热井换热系统及方法，所述系统包括：用于使超临界二氧化碳循环的闭式循环回路；密度主动调控模块，所述密度主动调控模块包括：微增压注入单元、热电制冷微调单元和微泄压缓冲单元；智能控制模块，用于控制所述密度主动调控模块，以调节所述闭式循环回路中超临界二氧化碳的自然循环流量。本发明通过设置智能控制模块根据实时运行参数预测系统自然循环驱动力的未来趋势，基于测结果可提前对密度主动调控模块发出指令，在系统偏离最优工作点之前进行前馈式干预，从而有效抑制了传统反馈控制中固有的时滞与超调问题，提升整个换热系统运行的平稳性和热量提取效率。
Absstract of: MX2025009333A
The aspects of the invention include a geothermal system obtains heated heat transfer fluid via heat transfer with an underground reservoir of magma, a wellbore extending between a surface and into the underground reservoir of magma, and a partially cased wellbore having a first borehole portion extending from a surface into an underground magma reservoir. A chamber is located within the borehole and extends at least partially into the underground reservoir of magma. An inlet conduit allows flow of heat transfer fluid from the surface and into the chamber. An outlet conduit allows.flow of heated heat transfer fluid from the chamber toward the surface. The system includes steps of providing a molten salt down a wellbore extending from a surface and into an underground reservoir of magma, receiving heated molten salt from the wellbore, and providing the heated molten salt to a heat-driven process.
Absstract of: CN121520023A
本发明公开了深部高温煤层隔热开采协同可调温空间构建与应用方法。首先在煤层下方岩层进行条带开采与矸石充填，建立水循环控温系统，为上部煤层降温并提取地热。随后在降温煤层中构建充填高导热材料并安装存储罐的可调温空间。最后利用所述地热将存储罐内重介悬浮液加热至最优温度，直接用于煤矿重介分选系统，实现安全开采与地热资源综合利用。
Absstract of: CN121519900A
本发明属于地热能利用技术领域，具体公开了一种U型井精准对接方法，该方法包括：同步采集直井与水平井的地质及实时钻进轨迹数据；构建集成地质模型与实时轨迹的可视化虚拟场景；实时获取直井进度及其地质与坐标数据，据此动态优化水平井的造斜角、工具面角及钻进参数；在虚拟场景中设置初始靶点，并依据其与双井的相对空间关系实时调整水平井轨迹以实现精准对接。本发明还通过地应力模拟与机器学习预测靶点偏移，利用随钻测量与压力监测实现轨迹动态修正与闭环控制。本发明有效解决了现有U型井对接中依赖人工经验、数据整合不足、轨迹调整滞后导致的对接成功率低、周期长、成本高的问题，显著提高了钻井对接精度与效率。
Absstract of: CN121520745A
本发明公开了一种基于土壤耦合能源的日放夜充式智能供能系统，涉及供能管理技术领域。本发明通过土壤换热器回路采集用户建筑周边的地热参数集，在供放能时间轴上设置策略调整点，获取各个策略调整点的匹配度数值，进而根据匹配度数值判断各个策略调整点是否执行，根据判断结果生成动态供放能策略序列并执行，根据土壤换热器回路的空间位置分布建立三维热物性分布图，将地热参数集映射于三维热物性分布图，进而对地热参数集进行修正，根据三维热物性分布图建立热响应模型，将热响应模型划分为多个供放能区域，建立供放能时间轴并获取分时电价信息，进而在供放能时间轴上对各个供放能区域设置窗口期以及负荷预测曲线。
Nº publicación: CN121520744A 13/02/2026
Applicant:
中国电建集团昆明勘测设计研究院有限公司
Absstract of: CN121520744A
本发明涉及地热控制技术领域，公开了一种基于多源热储协同调度的深层地热梯级开发系统及控制方法，系统包括多源热储感知与融合子系统、动态热流调度子系统及梯级热能释放子系统。方法包括将多源的原始热储分布数据合并为包含热储的实时温度、压力及渗透率参数的热储状态图；将热储状态图转换为实时热流调度计划，热流调度计划指定从各热储提取热能的速率、顺序及路径；根据实时热流调度计划，热能通过多级热交换序列，从高温到低温逐级释放，产生不同品位的热能输出，用于发电或供暖。本发明实现地下热储参数的精准三维建模，突破传统地热开发中能量利用效率低、地层扰动风险高、产能衰减快的技术瓶颈。
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