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54
resultados
Última actualización
06/12/2025 [07:46:00]
Resumen de: CN121067474A
本申请涉及地热开发利用领域，提供一种用于增强中深层地热井换热效率的对接井结构，包括入水井和回流井；入水井具有第一竖直段和至少一个换热对接段；换热对接段的一端与第一竖直段连通；回流井具有第二竖直段和换热路径延长段；换热路径延长段的上端与第二竖直段的底部连通；换热路径延长段除上端外的任意部位与第一竖直段之间的水平间距均大于换热路径延长段上端与第一竖直段之间的水平间距；换热对接段背离第一竖直段的一端与换热路径延长段连通。本申请解决了传统对接井结构换热效率低且占地面积大的问题。
Resumen de: CN121066797A
本发明涉及一种太阳能与地热能联合集热发电系统及其运行方法，属于可再生能源开发利用领域。旨在解决现有地热集热器换热效率低、耐腐蚀差、热短路及太阳能与地热能各自局限性引起的能源利用效率低和供电不稳定的问题。系统包括以超临界二氧化碳为循环工质的有机朗肯循环装置，依次连接的压缩机、地热取热器、回热器、槽式太阳能集热器、膨胀机、冷却塔及储液罐。地热取热器采用一体式结构，壳体外表面设有凹槽，内部设有螺旋流道及扰流板；槽式太阳能集热器包含反光面及导热管；运行方法为：超临界二氧化碳依次流经地热取热器、回热器低温侧、太阳能集热器加热；经膨胀机做功后进入回热器高温侧放热；工质在冷却塔内相变为液态后返回压缩机。
Resumen de: CN121067378A
本发明涉及供暖技术领域，具体涉及一种基于发电机组余热回收的供暖系统，包括余热采集单元，包括并联在发电机组凝汽器循环管路上的板式换热器和冷却塔，且两者之间设置切换阀组；地下储能单元，包括通过换热管路连接板式换热器的采灌井一和采灌井二，采灌井一和采灌井二的底部通过高导热填充层实现热耦合；热泵机组单元，包括溴化锂吸收式热泵，其低温热源入口并联连接板式换热器的出口及其中采灌井一的抽水管路。相较于现有技术，本申请通过设置有地下储能单元与切换阀组协同运行，二者协同工作，在保障供热安全的同时，实现了地上地下一体化的余热调蓄、释放与控制，提高了系统的稳定性、调节能力与能源综合利用效率。
Resumen de: US2025369657A1
Processes and systems are disclosed. The process may include obtaining a plurality of wells, including an injection well and a closed-loop geothermal well, drilled into a geothermally heated formation and inserting a closed-loop geothermal system, including a working fluid configured to extract heat from the geothermally heated formation and supply it to a heat utilization facility, configured to extract heat from the working fluid, located on the surface of the earth, into the closed-loop geothermal well. The process further includes injecting a flow of geothermal fluid into the geothermally heated formation through the injection well, such that the plurality of wells is configured to direct the flow of geothermal fluid from the injection well to the vicinity of the closed-loop geothermal well.
Resumen de: WO2025251074A1
Processes and systems are disclosed. The process may include obtaining a plurality of wells (502, 504, 506), including an injection well (504) and a closed-loop geothermal well (502), drilled into a geothermally heated formation (204) and inserting a closed-loop geothermal system, including a working fluid configured to extract heat from the geothermally heated formation (204) and supply it to a heat utilization facility (206), configured to extract heat from the working fluid, located on the surface of the earth, into the closed- loop geothermal well (502). The process further includes injecting a flow of geothermal fluid into the geothermally heated formation (204) through the injection well (504), such that the plurality of wells (502, 504, 506) is configured to direct the flow of geothermal fluid from the injection well (504) to the vicinity of the closed-loop geothermal well (502).
Resumen de: WO2024158461A1
Systems and techniques may be used for horizontal geothermal drilling and multistage hydraulic stimulation treatment. An example technique may include receiving in-well fiber optics data related to stimulation treatment effectiveness at a horizontal well comprising a set of hydraulically conductive fractures. The example technique may include determining a well condition of the horizontal well based on the in-well fiber optics data.
Resumen de: CN121048287A
本申请涉及地热利用领域，提供一种用于中深层地热井的换热装置，包括外管、内管和扰动件；外管的内壁上设有凸起部和凹陷部；内管的一端穿入外管内并与外管连通；扰动件设于外管内且与内管连接；扰动件具有多个扰动叶片；扰动叶片配置为可形变展开；扰动件的数量为一个或多个，至少存在一个扰动叶片用于展开至与凹陷部抵接，至少存在一个扰动件的扰动叶片用于半展开至与凸起部抵接。本申请解决了传统换热结构换热效率不佳的问题。
Resumen de: CN121048286A
本公开涉及一种中深层地埋管换热器的运行方法，通过在中深层地埋管换热器中设置具有可切换的流道的内管、并在不同深度位置设有第一开口和第二开口，使得中深层地埋管换热器至少具备取热、取冷两种运行模式，突破了现有的中深层地埋管只能执行单向供热运行的限制，实现供热、供冷双向运行，扩展了系统的应用范围、并且提高了系统的长期运行稳定性。
Resumen de: CN121048285A
本公开涉及一种中深层地埋管换热器，通过在中深层地埋管换热器中设置具有可切换的流道的内管、并在不同深度位置设有第一开口和第二开口，使得中深层地埋管换热器至少具备取热、取冷两种运行模式，突破了现有的中深层地埋管只能执行单向供热运行的限制，实现供热、供冷双向运行，扩展了系统的应用范围、并且提高了系统的长期运行稳定性。
Resumen de: JP2025173672A
【課題】既存の機器を利用し、非凝縮ガスの流量の変動に応じて還元水とともに非凝縮ガスを適正に地中へ還元する地熱発電システムを提供する。【解決手段】実施形態の地熱発電システム１は、地熱流体を蒸気と熱水に分離するセパレータ１１と、熱水を還元井１４に導く還元水配管１２と、蒸気が導入される蒸気タービン２０と、蒸気タービン２０の排気が導入される復水器２２と、復水器２２において蒸気と分離された非凝縮ガスを還元水配管１２に導くガス導入管３７と、ガス導入管３７の非凝縮ガスを昇圧するガス圧縮機３８と、セパレータ内の圧力を調整する圧力調整弁３３と、セパレータ１１に導入される地熱流体の流量に係る情報を検知する流量検知装置１５と、流量検知装置１５の検知情報から算出した非凝縮ガスおよび熱水の流量に基づいて圧力調整弁３３およびガス圧縮機３８を制御する制御装置４０とを備える。【選択図】図１
Resumen de: CN121024537A
本发明涉及二氧化碳捕集、利用及地质封存技术领域，具体涉及深部咸水层碳封存协同地层水地热能开采方法及系统。所述方法包括：确定目标咸水层及该区域的岩石破裂压力；部署注入井和生产井；将二氧化碳通过注入井注入含油气盆地咸水层，同时生产井产出地层可动水及地热能，直至地层可动水被采尽；所述生产井以定井底流压方式生产，产出地层可动水、部分注入的二氧化碳及地热能；注入二氧化碳作为换热介质，采出地热能，所述地热能包括产出地层可动水和二氧化碳中的热能；全程检测目标咸水层的孔隙压力，若孔隙压力达到岩石破裂压力的80%时，停止注入二氧化碳。本技术方案能够提升碳封存的稳定性和经济性。
Resumen de: CN121024561A
本发明涉及一种丛式井组高效群采方法，包括：获取目标区域地层结构、热储层分布、地温梯度、渗透率及孔隙度；基于地质参数与井下传感器数据生成井组协同逻辑，包括动态井距计算、井群Voronoi聚类分组、产量分配关系及干扰抑制策略；根据协同逻辑确定生产优化参数，通过监测系统实时采集温度、压力、流量数据，结合地质干扰模型(含热‑流耦合方程)动态调整生产。针对多层热储层实施分层布井与选择性射孔，独立设置各层参数。利用协同逻辑过滤监测数据干扰，当单井波动时自动调节邻井产量与回灌量维持总产能稳定，基于实时数据更新故障诊断模型并递归优化参数，形成闭环控制。
Resumen de: CN121023885A
本发明涉及一种适用于青藏高原多年冻土区的路基土体水分抽离系统，该系统包括通过联接管串联在一起的防雨帽、聚热管、聚热塔和水平管以及设在路基本体和基底钻孔内的多孔垫材。路基本体中的多孔垫材中设有水平透气管，水平透气管的一端与水平管相通；基底钻孔内的所述多孔垫材中设有数根竖向透气管；聚热管的外部为全封闭玻璃罩，内部为钢质的能量收集管，能量收集管上分布有均匀穿入的传热钉；聚热塔的下部为倒圆锥状的吸热底罩，吸热底罩的内部分布有发热凸钉；聚热塔的外部为稍大的倒锥形玻璃罩，其边缘设有塔罩支架；塔罩支架上设有玻璃塔罩；玻璃塔罩与倒锥形玻璃罩紧密连接。本发明可有效降低路基及基底土体水分含量。
Resumen de: CN121025668A
本申请涉及一种热管能源桩及热管地源热泵系统及其运行管理方法，解决了现有地源热泵需额外动力耗能高、难以适配冬夏双向供能的技术问题，该系统包括桩基、热管、换热器与热泵机组。热管结合于桩基，为带毛细芯、抽真空且充装相变工质的密闭管体，分桩基下部/侧部的蒸发段与上部的冷凝段；蒸发段与土壤换热，冷凝段连换热器，热泵地源侧接换热器；毛细芯借毛细力驱动工质自主回流，实现热量传递或释放。本申请具有如下效果：解决现有技术中低耗与全年供能的矛盾，实现无额外动力，冬夏双向高效供能，大幅降低建筑冷热源系统能耗。
Resumen de: CN121025637A
本发明提供了一种利用地热的储能系统，包括：地热井；汽轮机，与地热井连接；发电机，与汽轮机连接；凉水塔，与地热井间隔设置；气液交换组件和储水体，气液交换组件连接在凉水塔和储水体之间；多个加热装置，沿上下方向间隔地设置在储水体中，其中，多个加热装置与储水体所在的不同的地层相对应，每个加热装置与发电机电连接；供能管路，与气液交换组件和/或储水体连接；热网换热器，连接在供能管路上，且热网换热器与地热井连接。本申请的技术方案有效地解决了相关技术中的储能系统供能效率较低的问题。
Resumen de: US2025362059A1
A system for geothermal heating comprising: a forced geothermal circuit in communication with a well bore; a well bore heat exchanger; a multilateral channel; a channel casing design; and a pump. A method for geothermal heating comprising: passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; heating the fluid; passing the heated fluid through a multilateral channel comprising a multilateral channel design casing; and passing a reservoir fluid and the fluid into a heat exchanger. A method for a loop recovery process comprising: passing a circulation fluid into a system for geothermal heating; passing the circulation fluid into a well bore heat exchanger; heating the circulation fluid; passing the heated circulation fluid out of the system for geothermal heating; passing the heated circulation fluid through a heat exchanger of an organic Rankine cycle; and cooling the circulation fluid.
Resumen de: AU2024269002A1
In a drilling string comprising a component, an arrangement of insulated drill pipe among other drill pipe in the drilling string is configured based on a performance/temperature relationship of the component. A characteristic of a flow of fluid through the drilling string is configured based on the performance/temperature relationship of the component while the drilling string is in a wellbore and the drilling string is being operated to drill a wellbore.
Resumen de: WO2025241316A1
The present invention relates to the technical field of geothermal systems, and provides a flexible heat exchanger-based tunnel seepage water energy utilization system and method. The system comprises a seepage water pipe system, an overflow water pipe system, and an energy storage tank. The interior of the energy storage tank is divided into multiple interconnected subspaces, and each subspace is internally provided with a flexible heat exchanger. The seepage water pipe system and the overflow water pipe system each comprise upper and lower systems, an upper seepage water pipe system is paired with a lower overflow water pipe system, a lower seepage water pipe system is paired with an upper overflow water pipe system, and different paired systems are activated depending on the season. Tunnel seepage water enters the subspaces of the energy storage tank by means of the seepage water pipe system, exchanges heat with the flexible heat exchangers, and then is discharged by means of the overflow water pipe system. The present invention fully utilizes the energy contained in seepage water to provide cooling energy or heat energy for terminal units in a building, is environmentally friendly, economical and practical, and has the advantages of high heat exchange efficiency and long service life.
Resumen de: AU2024267336A1
Drilling in a wellbore in a subterranean zone with a drilling string including a coiled tubing. The coiled tubing having a bulk, length normalized radial thermal resistance to heat transfer through a wall of the tubing of at least 0.008 m K/W. Flowing a drilling fluid through the drilling string while drilling, where a ratio of a drilling string bulk density to a drilling fluid bulk density is 2 or less.
Resumen de: 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.
Resumen de: CN121007925A
本发明涉及地热资源开发领域，尤其涉及一种模拟热储取热不取水地热开发实验装置及实验方法。主要解决现有的地热井地热开采实验方法无法模拟不同深度地层和地热井段不同位置所处的温度和压力等条件而限制了实验结果代表性的问题。所述供热单元内部设有受热单元，若干个受热单元串联后一端连接保温活塞中间容器，另一端与用热单元入口相连；供热单元上设有加热装置，且供热单元上连接孔隙内压驱替泵和围压泵；还包括工控机，工控机控制每个供热单元的加热温度、围压和孔隙压力。该实验装置可以模拟不同深度、井段不同位置的地层状况，在考虑热储条件下地热井管柱内流体特征和地热用热需求的有效数据，形成模拟地热井开发流程，提高数据可靠性。
Resumen de: CN120991641A
本申请涉及一种用于地热源同轴换热井系统的扶正导流装置，涉及地源直接利用的技术领域，其包括扶正导流组件；扶正导流组件包括第一连接件、第二连接件和稳定件；稳定件设置有多个，第一连接件和第二连接件均设置在内管上，多个稳定件通过第一连接件和第二连接件沿内管周向设置；稳定件与换热介质接触后，稳定件变形至抵紧内管和外管。本申请具有提高地热换热井系统的换热效率的效果。
Resumen de: AU2024265722A1
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, where the first fluid heats a second fluid. The first fluid flows from the heat exchanger to a second inlet of the pressure exchanger. The first fluid flows in a second fluid path through the pressure exchanger 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. The first fluid flows from the second outlet to a turbine which drives a generator.
Resumen de: US2025354445A1
A positioning and orientating apparatus for branch well, which has an orientating coupling shaft; a hydraulic cylinder having a guiding sleeve; a setting unit having an anchoring mechanism and a sealing mechanism; a setting actuation unit, having a sealing cylinder, a piston, and a force transmitting cylinder, wherein an upper end of the force transmitting cylinder is fixedly connected to the piston, a sealing chamber in communication with the central flow channel is formed within the sealing cylinder, and the piston is configured to drive the force transmitting cylinder to move downwards when a pressure of the drilling fluid reaches a first pressure; and a releasing unit having a pressure-bearing cylinder, an elastic claw, and a ball seat. The elastic claw is separated from the slot by lifting up the releasing unit when the pressure of the drilling fluid reaches a second pressure, thus completing a releasing procedure.
Nº publicación: US2025354725A1 20/11/2025
Solicitante:
SHINTANI TATSUYA [JP]
SHINTANI Tatsuya
Resumen de: US2025354725A1
The heat retention system (1) is equipped with a storage section (10), a passage section (30), and a guide section (40). The passage section (30) constitutes a passage for substances as a medium for transporting heat. The storage section (10) stores the substance. The guide section (40) connects the storage section (10) to the passage section (30) and guides the substance from the storage section (10) to the passage section (30). The passage section (30) is located in the housing space (330) that houses the object. A first housing section (20) that houses the object is further included. The first housing section (20) is disposed in the housing space (330). The substance is a liquid (LQ). The storage section (10) is located in the ground (G2). The first storage section (20) is located in the containment space (330). The guide section (40) guides the liquid (LQ) from the storage section (10) to the passage section (30). The passage section (30) is disposed outside the first storage section (20).
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