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一种动态分析地热井流量计工作状态的方法及系统

Resumen de: CN122190734A

本发明属于地热资源监测技术领域，公开一种动态分析地热井流量计工作状态的方法及系统，所述方法包括：以不低于2秒/次的频率同步采集地热水管道的压力、温度数据与目标流量计的动态流量数据；将数据输入预置的分析模型，通过计算连续时间窗口内压力波动标准差σ_P、流量波动标准差σ_Q及两者相关系数R_PQ进行动态关联分析，将结果分为“可靠”、“可疑”、“不可靠”三个等级；根据研判结果生成诊断报告并触发分级报警。系统包括传感器组、集成于IP66防护箱内的数据采集与处理终端、人机交互界面及报警装置。本发明实现了对气液两相流干扰下流量计工作状态的在线实时诊断与精准预警，有效提升了地热水开采与回灌计量的准确性与合规监管水平。

一种多热源供蒸汽系统及使用方法

Resumen de: CN122191517A

一种多热源供蒸汽系统及使用方法，其包括中深层地热能联合复叠热泵蒸汽系统、太阳能集热器和储热系统；中深层地热能联合复叠热泵蒸汽系统包括低温级热泵系统、高温级热泵系统和蒸汽发生系统；储热系统包括相变储热装置和第二水箱。本发明通过多能互补与相变储热技术，有效克服了单一能源供应的不稳定性，并利用复叠热泵承担基础温升以降低水蒸气压缩机的工作压比与能耗，显著提升系统的COP，并大幅降低传统锅炉的化石能源消耗与污染排放；同时，深度运用两分时电价机制，通过在低电价时段储热、在高电价时段释热，实现用能成本显著降低；此外，通过水泵驱动流量调控，实现热能的空间梯级利用与供需动态匹配，增强系统动态稳定性与能源利用效率。

天然气水合物开采与CO2封存及地热利用一体化系统及方法

Resumen de: CN122190698A

本发明公开了一种天然气水合物开采与CO2封存及地热利用一体化系统及方法，所述天然气水合物开采与CO2封存及地热利用一体化系统应用于目标储层，所述目标储层自上而下至少包括水合物层、下伏气层，所述下伏气层下方具有地热层，所述天然气水合物开采与CO2封存及地热利用一体化系统包括：井组结构、地面系统；所述井组结构包括：注入井，采出井，地热能加热井段，第一分支采出井，第二分支采出井，分支注入井，分支注入井位于第二分支采出井的下方；地面系统包括地面换热站，地面换热站用于将采出的混合产物进行分离。本申请能够在同一井组内协同实现地热开采、天然气水合物分解增产、二氧化碳地质封存三大功能。

GROUNDWATER HEAT EXCHANGER

Resumen de: US20260160452A1

A groundwater heat exchanger includes a distributor, a collector, a plurality of heat exchange pipes, and a return pipe. The distributor includes a first interior chamber and a first port to the first interior chamber. The collector includes a second interior chamber and a second port to the second interior chamber. The plurality of heat exchange pipes each have a first end attached to the distributor and a second end attached to the collector, extend along a central axis, and define a fluid passageway between the first and second interior chambers. The return pipe is fluidically connected to the second interior chamber and includes a section extending through the distributor that is transverse to the central axis.

GRAVITY-ASSISTED MULTIPHASE GEOTHERMAL RE-INJECTION SYSTEM AND METHOD

Resumen de: WO2025026577A1

The system comprises a liquid-gas separator (31) having an inlet (31.1), a gas outlet (31.3) and a liquid outlet (31.2). The system further includes a first vessel (33), a second vessel (35), a pumping unit (37) having a suction side (37.1) and a delivery side (37.2); and a fluid connection (41.4) to the geothermal re-injection well (7). The suction side (37.1) of the pumping unit (37) is adapted to be fluidly coupled selectively with a lower side of the liquid-gas separator (31), a lower side of the first vessel (33) and a lower side of the second vessel (35). The delivery side (37.2) of the pumping unit (37) is adapted to be fluidly coupled selectively with the first vessel (33) and the second vessel (35). The gas outlet (31.3) of the liquid-gas separator (31) is adapted to be fluidly coupled selectively with an upper side of the first vessel (33) and an upper side of the second vessel (35). The fluid connection (41.4) to the geothermal re-injection well (7) is adapted to be fluidly coupled selectively with the upper side of the first vessel (33) and the upper side of the second vessel (35).

多尺度扰动强化的同轴式中深层地热换热器

Resumen de: CN122170547A

本发明提供了一种多尺度扰动强化的同轴式中深层地热换热器，包括外套管、内回流管、扰动模块，所述内回流管设置于外套管内部，所述内回流管外壁与外套管内壁之间存在间隙，所述间隙为环隙流道，所述扰动模块包括多个主导流翼、V型引流翼阵列、微凸点阵列，所述V型引流翼阵列包括多个V型引流翼，所述V型引流翼阵列位于主导流翼的下游，所述微凸点阵列包括多个凸点，所述微凸点阵列设置于主导流翼及所V型引流翼阵列的背风区。

一种地热井管柱及施工工艺

Resumen de: CN122169721A

本发明属于地热开发技术领域，具体地，涉及一种地热井管柱及施工工艺。地热井管柱包括：表层套管，在所述表层套管上设置有第一承载短节；技术套管，在所述技术套管的外壁设置有用于与所述第一承载短节适配的第一坐挂环，在所述技术套管上设置有第二承载短节，所述第二承载短节位于所述第一坐挂环的下方；尾管组件，在所述尾管组件的外壁设置有用于与所述第二承载短节适配的第二坐挂环。本发明能够降低成本，提高施工效率。

基于空间分离物理耦合思想的钻孔换热器混合格式算法

Resumen de: CN122154328A

0001 本发明公开了基于空间分离物理耦合思想的钻孔换热器混合格式算法，包括以下步骤：设计一种网格划分方法建立地下换热器的孔内回填料孔外岩土区域的径向一维Nr节点非稳态扩散数值模型；设计一种网格划分方法，建立流体沿流动方向的一维2Nf节点非稳态对流扩散数值模型，并建立管壁径向一维两节点导热数值模型；设计一种隐显混合数值格式，实现流体+PE管与回填料+岩土的非稳态传热的耦合计算；针对步骤S2的数值模型设计一种两重迭代算法，实现每一时步PE管内流体温度及管内壁温度联立求解；基于隐显混合数值格式设计一种算法，实现“接收进口温度→计算流体沿程温度及管壁温度→计算管道外壁换热量→计算管外固体区域温度”的顺序模拟。

一种用于地下管廊结构的地热隔绝消除设备

Resumen de: CN122147912A

0001 本发明属于地热隔绝消除设备领域，尤其是一种用于地下管廊结构的地热隔绝消除设备，包括：管廊、多个冷却塔、多个固定架、多个地热隔绝单元、多个导流板和柔性金属薄膜。管廊设置在地面下；多个冷却塔设置在地面上；多个固定架连接在管廊内；多个地热隔绝单元依次连接在管廊的内壁上，地热隔绝单元上的进液口上连接有进液支管，地热隔绝单元上的出液口上连接有回流支管。本发明设计合理，通过多个地热隔绝单元依次连接在管廊内壁上，地热隔绝单元由多个中空隔热板连接组成，相邻隔热板之间设置隔热垫，无明显间距，避免了现有技术中热交换管道间距导致的地热渗透问题，结合循环冷媒的主动吸热，实现地热的彻底阻断与消除。

矿井采空区地热储能协同工作面降温系统及控制方法

Resumen de: CN122148376A

本发明公开一种矿井采空区地热储能协同工作面降温系统及控制方法，该系统利用地下采空区设置采空区储能单元，将地热开采井的地热能作为吸收式制冷机组的驱动热源，耦合高温热泵机组余热回收、采空区储能单元进行储能，以及多级换热单元进行能源分配，并且地热能经初级换热模块驱动吸收式制冷机组制冷，通过矿井原有空调冷冻水管网为工作面供冷，地热尾水经多级换热完成供暖或被高温热泵机组的余热加热，后储于储热采空区供系统调峰，高温热泵机组回收工作面涌水主管的涌水余热制中温冷源储于储冷采空区补冷，地热回灌井消纳系统余热，同步消纳可再生能源，实现地热能、涌水余热的梯次利用与采空区储能和工作面降温的深度协同。

一种提升干热岩钻孔岩层导热性能的方法

Resumen de: CN122148244A

0001 本发明涉及地热资源开发技术领域，公开了一种提升干热岩钻孔岩层导热性能的方法，包括以下步骤：在干热岩地层中完成U型井的钻孔施工；向U型井的目标层段注入导热复合胶液作为压裂液进行水力压裂，形成密集裂缝网络；将导热复合胶液注入密集裂缝网络中；封井养护，使导热复合胶液疏水固化，导热材料紧密挤压，填实裂缝缝隙，形成填充式高导热改性层。本发明仅采用U型井形成闭合换热回路，无需施工分支井；在U型井底部利用导热符合胶液水力压裂，于井孔周围干热岩形成密集裂缝网络，再以导热复合胶液完全填充裂缝缝隙形成高导热改性层，将有效换热面积从井筒壁面扩大至地层尺度，显著降低传热热阻，解决冷堆积问题，提升地热开采井换热效率。

一种基于多层级递进式动-静-柔的热储综合改造方法

Resumen de: CN122148268A

0001 本发明提供了一种基于多层级递进式动‑静‑柔的热储综合改造方法，涉及热储层增产技术领域。方法包括：首先基于原始测井数据建立岩石力学特性剖面模型，获取参数集并计算理论破裂压力；据此优选射孔层位，执行高能爆破作业，利用冲击波与气楔作用构建近井低起裂压力预处理带；随后利用预处理带引导大排量水力压裂，构建深部大体积三维裂缝网络；注入化学刺激介质，在裂缝壁面形成抗闭合的流体导流沟槽；最后构建开采循环回路，基于井口返排数据实现运行参数的闭环优化。本发明通过“动”式致裂降压、“静”式压裂扩容及“柔”式刻蚀保导的协同作用，解决了深部热储起裂困难、波及范围小及裂缝易闭合难题，实现了地热资源的高效开发与长期稳产。

一种地源热泵地埋管下管组件

Resumen de: CN122149092A

本发明涉及管道工程技术领域，特别涉及一种地源热泵地埋管下管组件，包括U型管，还包括扶正单元，所述扶正单元设置有多个且均匀连接在U型管上，所述扶正单元包括两个左右对称分布且可拆卸连接在U型管上的扶正部，扶正部上连接有至少两个抗浮部，抗浮部上连接有用于改变抗浮部和扶正部状态的提拉部。本发明采用的扶正单元可以在U型管下放至埋管孔的过程中对U型管进行导向和保护，避免U型管与埋管孔孔壁之间发生碰撞或摩擦导致损坏的现象，并且扶正单元与牵引单元配合，可以只通过一个驱动实现U型管的自动居中功能和提高U型管抗浮的功能，降低设备投入与运维成本。

GEOTHERMAL COOLING SYSTEM

Resumen de: US20260153273A1

0000 A geothermal cooling system, the system comprising: a forced geothermal circuit in communication with a well bore; a heat exchanger; a cold reservoir fluid intake; and a reservoir return channel. A method for geothermal cooling, the method comprising: passing a hot working fluid into a forced geothermal circuit comprising a heat exchanger; passing a cold reservoir fluid from a reservoir through an intake; passing the cold reservoir fluid into the heat exchanger; reducing the temperature of the hot working fluid to form a cold working fluid; increasing the temperature of the cold reservoir fluid to form warm reservoir fluid; passing the cold working fluid into a cold surface closed loop; and passing the warm reservoir fluid into a reservoir return channel.

HYBRID SOLAR POWER GENERATION SYSTEM AND CIVIL ENGINEERING WORK WITH SUCH SYSTEM

Resumen de: US20260155782A1

The invention concerns a hybrid solar power generation system comprising: a set of photovoltaic panels,a first loop circuit containing a heat-carrying fluid able to circulate along the first loop circuit, said first loop circuit defining a first portion for circulation of the fluid in a first temperature range, a second portion adjacent to said photovoltaic panels for thermal exchange between the fluid and said photovoltaic panels and a third portion for circulation of the fluid in a second temperature range, wherein the temperatures of the second temperature range are greater than the temperatures of the first temperature range,a heat pump with a second loop circuit containing a heat-carrying fluid, said second loop circuit passing successively through an evaporator, a compressor, a condenser and a metering device, where the heat source of said evaporator is the heat-carrying fluid present in said third portion of the first loop circuit, anda Stirling engine, where the Stirling engine's heat source derives from heated fluid refrigerant present in a portion of the second loop circuit placed between the compressor, and the metering device.

SINGLE-WELL STRUCTURE FOR EXPLORATION AND EXTRACTION OF DEEP GEOTHERMAL ENERGY, METHOD FOR CONSTRUCTING UNDERGROUND HEAT EXCHANGE TANK, AND POWER GENERATION METHOD

Resumen de: WO2026113375A1

The present invention relates to an ultra-deep well hydroelectric power generation method using a density difference between cold water and hot water in geothermal energy, solving the problems that conventional geothermal energy utilization mostly uses a water pump to extract underground hot water for use, and a water turbine cannot be used to generate power from geothermal energy. The method comprises the following steps: S1, drilling an exploration and extraction well; S2, generating a bottom hole crack; S3, deploying a central pipe; and S4, injecting cold water between the central pipe and a casing pipe, wherein after the cold water is heated by a hot dry rock formation at the bottom of the exploration and extraction well, hot water rises from the central pipe, a specific gravity difference between the hot water and the cold water is used to form a water head difference between the inside and outside of the central pipe, and the hot water conveyed by the central pipe to the ground surface impacts a water turbine to generate power. In the present invention, a heat extraction point is the hot dry rock formation, reducing the impact on groundwater, breaking through the inertial thinking that conventional power generation by water turbines requires using the gravitational potential energy of water flow, and providing a brand-new hydroelectric power generation manner of water flowing from bottom to top.

APPARATUS, SYSTEM AND METHOD FOR REGULATING FLUID FLOW THROUGH A WELL SYSTEM

Resumen de: AU2024405048A1

Some embodiments of the present disclosure relate to an apparatus for regulating flow of a fluid flowing through the apparatus when deployed and retained within a well. The apparatus may comprise a retaining assembly for retaining the apparatus in a desired position within a wellbore; a mandrel with a first end and a second end, defining a longitudinal axis therebetween, the mandrel defining one or more orifices for fluid communication between inside the mandrel and outside the mandrel; and, a shift sleeve in nested arrangement with the mandrel, the shift sleeve defining one or more orifices for providing fluid communication between an inside of the shift sleeve and outside the shift sleeve. The shift sleeve is shiftable in response to changes in a property of a fluid flowing through the apparatus, wherein shifting of the shift sleeve changes a cross- sectional flow area of one of the one or more orifices.

STATOR END TURN PROTECTION FROM PARTIAL DISCHARGE EVENTS IN ELECTRICAL SUBMERSIBLE PUMP (ESP) MOTORS

Resumen de: US20260155695A1

Some implementations include an apparatus comprising a member configured to couple to an end of a stator core of an electrical submersible pump (ESP) motor, the ESP motor to be positioned in a wellbore, wherein the member has a bore through which a motor rotor is to be located, wherein one or more slots are formed in the member around a perimeter of the bore, wherein the member includes a doped material, and wherein the member including the doped material exhibits one or more semiconductive characteristics. The apparatus further includes a laminate material configured to be positioned within at least one of the one or more slots, wherein the laminate material includes at least one of a conductive layer or an insulative layer.

シリカスケール生成量の予測システム、地熱発電システム、シリカスケール生成量の予測方法及びシリカスケール生成量の予測プログラム

Resumen de: JP2026091733A

0001 【課題】シリカスケールの生成量をより精度高く予測できるシリカスケール生成量の予測システムを提供する。 【解決手段】本発明に係るシリカスケール生成量の予測システムは、対象物の予測部位における温度Ｔ<ｓ>に依存したシリカ濃度Ｃの予測式ＰＦ及びシリカを含む流体が前記予測部位に到達するまでの時間ｔ<ｓ>に依存したシリカ濃度Ｃの予測曲線ＰＣとの少なくとも一方に基づいて、前記予測部位における前記シリカスケールの生成量を予測するシリカスケール生成量予測部と、を備え、シリカ濃度Ｃの予測式ＰＦ及びシリカ濃度Ｃの予測曲線ＰＣは、流体に含まれるシリカの可逆反応及び不可逆反応と沈殿平衡反応を含むシリカ重合反応を用いて生成した反応モデルに基づいて得られ、シリカスケール生成量予測部は、シリカの初期濃度Ｃｉ及び流体の流量ＦＲの少なくとも一方の要素を用いて、予測部位におけるシリカスケールの生成量を計算する。 【選択図】図１

一种轴向变导热系数的中深层地埋管回填结构及布设方法

Resumen de: CN122129033A

本发明属于地埋管回填技术领域，涉及一种轴向变导热系数的中深层地埋管回填结构及布设方法，回填结构为自地表向井底方向依序设置的上部保温段、中部过渡段、下部高效换热段，各段深度范围依序增加，各段的平均导热系数依序增大；布设方法包括：基础参数获取与建模、建立材料库与参数化、优化模型构建与求解、方案解译与分段设计；本发明能够有效抑制井口热短路、显著强化深部取热、提升系统性能并延长地热田可持续性，因此本发明减轻了浅部地层的热扰动，有利于岩土体的热恢复，可减缓系统长期运行中的性能衰减速率。

一种房建地基无电化气动降水装置

Resumen de: CN122129036A

本发明属于房屋建筑技术领域，尤其是涉及一种房建地基无电化气动降水装置，包括储气罐，所述储气罐的侧壁连接有控制器，所述储气罐的侧壁连接有支撑架，所述支撑架的上侧壁连接有空气压缩机。本发明全自动化气动降水技术能够保质保量完成基坑降排水任务，经济效益与环境效益尤为显著，不仅有力推动了项目科技创效与绿色文明施工水平的提升，更在提高能源利用效率、升级工程施工自动化程度方面展现出极高的推广价值，能够在不同地质水文条件下广泛开展应用实践，并持续进行适应性优化改进，从而充分释放全自动化气动降水技术在工程降排水领域的核心功能价值。

A DEVICE FOR SEALING A CHAMBER IN A WELLBORE, AND RELATED SYSTEMS AND METHODS

Resumen de: MX2026004652A

A device for sealing a chamber between a wall of a wellbore or casing and a pipe disposed in the wellbore or casing includes a body having a first portion, a second portion, and a passage that extends through the first portion and the second portion. The device also includes a seal disposed around the body's second portion, and a mandrel located at a first position inside the passage and moveable to a second position inside the passage to urge the seal against a wall of a wellbore or casing that the body lies in. When the mandrel is at the first position the mandrel lies in the first portion of the device's body, and when the mandrel is at the second position the mandrel lies in the second portion of the device's body.

面向跨季节储能的群采群灌开式地热系统运行调控方法

Resumen de: CN122107596A

本发明属于地热能利用技术领域，涉及面向跨季节储能的群采群灌开式地热系统运行调控方法，包括：1、将位于核心热储区范围内的地热井划分为中心热井组，将位于核心热储区外缘的井划分为外围冷井组；2、建立评价指标包括：热回收效率、热突破风险指数、开采均衡度E、效率系数；3、夏季储热工况下，外围冷井组抽水，中心热井组高温回灌；冬季取热工况下，中心热井组高温采热，外围冷井组低温回灌；4、根据评价指标调整夏季储热工况下、冬季取热工况下的水流量与回灌温度；本发明解决了现有中深层地热井井位布局和运行调控存在的问题，实现了对地热井热储资源的高效、均衡利用。

面向能量梯级利用的地热能井下换热综合优化方法及系统

Resumen de: CN122107595A

本发明属于地热能开发利用技术领域，涉及一种面向能量梯级利用的地热能井下换热综合优化方法及系统。包括：获取流体入口的热能监测数据以及热流道流体监测数据，并进行特征提取获取多级热能输出特征；获取能量利用对象的热能使用需求信息集合；根据多级热能输出特征分析热能使用需求信息集合，对能量利用对象集合进行划分，输出多级能量利用对象集合；建立多级能量利用对象集合与流体入口和独立换热流道的连接关系，基于连接关系进行地热能井下换热梯级优化传输。本发明解决了现有技术中地热能井下换热采用单深度单流道设计，无法针对不同深度热能差异梯级采集，且热能分配依赖经验，从而导致高温热能低用、低温热能闲置，利用效率低下的问题。

一种断控型地热热储资源的评价方法及装置

Nº publicación: CN122114326A 29/05/2026

Solicitante:

中国石油化工股份有限公司中国石油化工股份有限公司石油勘探开发研究院

Resumen de: CN122114326A

本发明提供了一种断控型地热热储资源的评价方法及装置，断控型地热热储资源的评价方法包括：获取探区地表的土壤的元素含量以及水样中的元素含量；在所述土壤的元素含量以及水样中的元素含量确定热源元素含量、通道元素含量、盖层元素含量以及热储元素含量；根据所述热源元素含量、所述通道元素含量、所述盖层元素含量以及所述热储元素含量评价所述探区的断控型地热热储资源。本发明通过识别、选取反映断控型地热勘探中热储、盖层、通道、热源等四要素密切相关的土壤元素，利用土壤元素指标、参数识别与评价断裂型地热高温、中温、低温地热资源属性，从而确定地热热源和热储的有利区。