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68
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Última actualización
20/02/2026 [07:45:00]
Resultados 25 a 50 de 68
Resumen de: CN121474732A
本发明提供了一种砂岩热储层地热尾水回灌装置，涉及地热尾水回灌技术领域，包括套管基管，套管的内壁固定连接有若干个阶梯状连接件，基管上设置有两个用于防垢的填充式筛管组件，基管的底端固定连通有用于排水的绕丝筛管组件；填充式筛管组件包括与基管固定连通的穿孔管，穿孔管的表面覆盖有填充过滤层，填充过滤层的表面开设有若干个第一导流槽，绕丝筛管组件包括中心管、若干个纵向支撑杆和绕丝层，绕丝层的表面固定连接有螺旋导流环，若干个纵向支撑杆的内壁共同设置有若干个环形导流板，通过多级过滤降结构低堵塞风险，通过第一导流槽、第二导流槽引导尾水的流动路径，减少紊流和过滤结构对尾水造成的阻力，提高了尾水的流速和回灌量。
Resumen de: CN121474733A
本发明公开了一种中深层地热井的尾水回灌系统及工作方法，具体涉及，包括回灌井、真空破坏器、流量计、控制系统、远程监控装置、稳流罐、杂质过滤装置、真空检测装置和温控装置。本发明所述的一种中深层地热井的尾水回灌系统及工作方法，通过在回灌井加装真空破坏器，有效解决了回灌过程中产生的负压问题，防止了供暖系统内形成真空柱，提高了供暖效果，简化了地热动态监测工作，其中真空破坏器的设置使得尾水能够顺利回灌至热储层，避免了空气进入回灌系统的情况，保持了尾水的水质，防止了回灌通道堵塞，提高了回灌效率，且无需设置复杂的除砂器、过滤罐和排气罐等设备，简化了系统结构，降低了系统成本，同时提高了回灌效率。
Resumen de: AU2024305888A1
A compressed gas energy storage system which can also store thermal energy. The storage system can have a surface subsystem, a geological heat storage subsystem, and a compressed gas storage subsystem. The surface subsystem can comprise gas compression, gas expansion, and heat exchange functions. The geological heat storage subsystem can comprise a cold and hot zone in fluid communication with the surface subsystem. The compressed gas storage subsystem can also be in fluid communication with the surface subsystem. The systems and methods can be implemented in porous rock formations. This allows for the use of extremely large, natural formations rather than man-made salt caverns, as is the current state of the art. Existing wells drilled by oil and gas producers can be utilized, thereby drastically reducing cost and time for implementation. Further, use of sub-surface thermal management provides a complete solution for long term energy storage at high efficiency.
Resumen de: WO2026025568A1
A geothermal device and method for reconstruction of abandoned oil and gas wells. The geothermal device comprises a heat exchanger arranged at the wellhead of an abandoned oil and gas well and an unpowered heat extractor located inside the abandoned oil-gas well, wherein the unpowered heat extractor comprises a thermal insulation member and an evaporation member; the heat exchanger, the thermal insulation member and the evaporation member are sequentially in communication with each other from top to bottom; a liquid working medium is injected into the unpowered heat extractor, absorbs heat from a crude oil layer and evaporates into a gaseous working medium; the gaseous working medium is sequentially transported through the evaporation member and the thermal insulation member to the heat exchanger, condenses in the heat exchanger to release heat and turns into the liquid working medium; and the liquid working medium flows back to the bottom of the abandoned oil and gas well under the action of gravity. The present invention achieves true "heat extraction without water extraction", and does not require a water pump during operation, thereby reducing operation costs.
Resumen de: US20260036049A1
A system for recovering thermal energy from a fractured subterranean formation can include a fluid removal system configured to remove a fluid comprising a liquid phase from the fractured subterranean formation through a wellbore that is in fluidic communication with a low permeability rock matrix through fractures in the fractured subterranean formation. The system can also include a heated fluid collection system configured to recover, through the wellbore, a heated fluid comprising a vapor phase that is expelled from the low permeability rock matrix of the fractured subterranean formation as a result of a reservoir pressure of the fractured subterranean formation falling below a saturation pressure of the fluid, where the fluid removal system is configured to be shut down while the heated fluid collection system operates, and where the heated fluid collection system is configured to be shut down while the fluid removal system operates.
Resumen de: US20260036340A1
A method includes causing a first portion of a heat-transfer working fluid to flow from a first lateral wellbore of a closed-loop geothermal well to a second lateral wellbore of the closed-loop geothermal well via a wellbore intersection. The first lateral wellbore and the second lateral wellbore reside in a target subterranean zone. A second portion of the heat-transfer working fluid is caused to flow through the Earth of the target subterranean zone from the first lateral wellbore to the second lateral wellbore.
Resumen de: US20260036015A1
A method of improving heat recovery from a geothermal well includes receiving temperature distribution data from a distributed temperature sensing (DTS) system comprising a fiber optic cable disposed in a wellbore, which extends through a formation; analyzing the temperature distribution data to determine a fluid flow profile along the wellbore; determining, based on the fluid flow profile, a location of dominant flow rate; and injecting a sealing agent into the formation at the location. When the sealing agent cures, fractures within a fracture system are sealed in the formation at the location. The cured sealing agent prevents or mitigates fluid flow through the formation at the location.
Resumen de: US20260036003A1
The present invention provides components with metamaterial structures for use in enhanced geothermal systems.
Resumen de: 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.
Resumen de: MX2025014757A
The present disclosure describes a system and a method for generating energy from geothermal sources. The system includes an insulated injection pipe and a common well segment, an injection well and a production well, a first lateral section connected to the injection well and a second lateral section connected to the production well, a multilateral connector joining the first and second lateral sections, the insulated injection pipe coinciding with the common well segment, defining a pressure-tested loop within the rock formation and in a heat transfer arrangement therewith. The loop cased in steel and cemented in place. The loop to receive working fluid capable of undergoing phase change within the downhole well loop as a result of heat transferred from the rock formation. The system also includes a pump to circulate working fluid, a turbine system to convert the flow of working fluid into electricity, and a cooler.
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.
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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
Resumen de: 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.
Resumen de: 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).
Resumen de: 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。
Nº publicación: CN121408874A 27/01/2026
Solicitante:
天津大学
Resumen de: 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。
BOPI
Sede Electrónica
