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地下封闭取热系统、多能互补供暖系统及其运行方法

Resumen de: CN119844919A

本发明提供了一种地下封闭取热系统、多能互补供暖系统及其运行方法，涉及可再生能源利用技术领域，地下封闭取热系统包括多孔岩层、定向井管和高导水泥，多孔岩层中钻设有定向井孔，定向井孔包括竖直井孔段以及与竖直井孔段下端连通的水平井孔段，定向井管置于定向井孔中，且包括相连通的竖直井管段和水平井管段，竖直井管段位于竖直井孔段中，水平井管段位于水平井孔段中，高导水泥填充于定向井孔的孔壁与定向井管的管壁之间，地下封闭取热系统的注采循环工质的冰点低于0℃。本发明可以相对增加系统在每次工质循环时于围岩中所获取的热量，即增加系统的取热量，进而可以提高系统的经济性，利于地下封闭取热技术的广泛应用。

一种干热岩地热立体井网开采方法

Resumen de: CN119844061A

本发明公开了一种干热岩地热立体井网开采方法，包括步骤：依据构建的立体井网模型呈交错的两排开凿垂直井、水平井和分支井；将两排垂直井、水平井和分支井分为注入井组和生产井组；对注入井组的分支井和生产井组的分支井进行同步对向压裂形成裂缝网络连通；向注入井组泵水并从生产井组抽采。本发明采用鱼骨井结构压裂形成复杂裂缝网络换热的方式，通过向干热岩岩层开凿两排呈交错分布的垂直井后水平对向开凿水平井，且相邻水平井之间对向开凿平行交错分布的分支井，形成鱼骨井结构，则在相邻对向分支井之间同步对向压裂后，在鱼骨井结构之间形成复杂的裂缝网络连通，连通施工操作较为方便，且能够通过大面积裂缝网络有效提升换热效率。

地热发电系统

Resumen de: WO2024055199A1

Mainly disclosed in the present invention is a geothermal power generation system, comprising: a heat collection cover, comprising a cover body and a cover opening, wherein the cover body sequentially comprises a heat conducting layer, a thermoelectric conversion layer, and a heat dissipation layer from inside to outside, and the cover opening can face a geothermal well; a temperature measurement apparatus, capable of measuring the heat collection temperature of the heat conducting layer; a lifting/lowering apparatus; and a control circuit, controlling a distance between the heat collection cover and the geothermal well by means of the lifting/lowering apparatus according to the heat collection temperature, wherein if the heat collection temperature is higher than a set temperature interval, the heat collection cover is controlled to move away from the geothermal well, if the heat collection temperature is lower than the set temperature interval, the heat collection cover is controlled to move close to the geothermal well, and if the heat collection temperature is within the set temperature interval, the heat collection cover is controlled not to move.

一种地热能的能源管控系统

Resumen de: CN119844810A

本发明提出一种地热能的能源管控系统，包括：加压舱模块、地热能与太阳能耦合模块、环境调节模块、双循环地热能发电模块。根据不同工况向地源热泵机组内通入冷水和热水，同时控制热泵机组和高压储气罐的开闭而控制建筑物内温度和压力，在保证建筑室内正压力值的同时维持适当的温度，从而保证室内人员感到舒适。同时在设施农业建筑进出口处设置加压舱，在保证设施农业建筑物内环境参数不会因为人员进出而变化，也保证了人员不会因为进出设施农业建筑的压力变化而产生身体不适现象。本套系统中不采用化石燃料，直接实现了节能低碳减排的目标。

地热源热能交换器

Resumen de: CN119844918A

本发明提供地热源热能交换器，涉及地热源使用领域。地热源热能交换器，包括一根用于换热的并折弯成“U”字型的换热管，所述换热管分为进液管和出液管，进液管和出液管之间设置可以截断下方换热管循环的截断单元，截断单元连通进液管和出液管，截断单元的数量为多个，多个截断单元等间隔设置在进液管和出液管之间。该地热源热能交换器，当换热管发生泄漏时，通过逐一临时接通截断单元使得其下方的换热管不接入循环，进而能够寻找到换热管的漏点，并在找到漏点后，将漏点上方最接近漏点的截断单元永久接通，解决了现有技术中地热换热器出现损坏不易寻找漏点以及维修困难的问题。

METHODS OF CONSTRUCTING A GEOTHERMAL HEAT EXCHANGER IN A GEOTHERMAL RESERVOIR, AND GEOTHERMAL HEAT EXCHANGERS CONSTRUCTED IN A GEOTHERMAL RESERVOIR

Resumen de: US2025122865A1

Provided is a method of constructing a geothermal heat exchanger comprised of a geothermal well(s) that maximizes heat transfer from sweet spots of geothermal energy of a geothermal reservoir to the geothermal well(s). The method involves dynamically identifying the sweet spots, and selecting a predetermined shape and/or increasing a dimension of the geothermal well(s) within the sweet spots to increase a surface area of contact between the geothermal well(s) and the sweet spots. The method further involves calculating a mathematical best fit line to minimize a distance between the geothermal well(s) and the sweet spots, and forming at least a part of the geothermal well(s) to, or to a proximity of, the sweet spots along the mathematical best fit line. Methods may include increasing an effective thermal radius of the geothermal well(s) by geothermal fracturing, geothermal acidizing, or geothermal multilateral wells, and embedding thermal energy storage (TES) materials therein.

Boosting well performance geothermal systems

Resumen de: GB2634584A

Methods and systems are provided for extracting thermal energy from a geothermal reservoir. One aspect involves drilling at least one sidetrack that extends from a primary wellbore and intersects at least one fracture target in the geothermal reservoir. The at least one sidetrack can be configured to increase fluid flow into the primary wellbore from the at least one fracture target. The increase of fluid flow into the primary wellbore from the at least one fracture target as provided by the at least one sidetrack can increase the amount of captured heat from the geothermal reservoir.

一种用于铁路路桥过渡段冻害防治的能源桩系统及使用方法

Resumen de: CN119826396A

本发明涉及一种一种用于铁路路桥过渡段冻害防治的能源桩系统及使用方法，能源桩系统包括桥桩埋管子系统、热泵机组、路基布管子系统和供能子系统，可利用能源桩技术将换热管植入路桥过渡段桩基础和冻害路基内部形成闭合回路，通过制冷剂在换热管回路循环流动实现热量交换，使得在寒冷季节将冻结深度控制在有害临界范围之内，并使冻结锋面保持在地下水毛细迁移高度以上，进而有效消除水分对冻胀的影响，在气温回暖时可延缓冻胀区双向融化速度，防止出现翻浆冒泥、沉降过大等冻害现象。本发明的有益效果在于：能够有效利用恒温带和增温带的浅层地热能，实现路桥过渡段冻害问题的“热能转化式”主动控温防治，具有良好的应用前景。

基于工业烟气的废弃油气井碳封存与储能调峰系统

Resumen de: CN119825468A

本发明属于能源管理领域，涉及电力调峰技术，用于解决现有技术中无法高效消纳和利用波动性的可再生能源，以降低电力系统的调峰负担的问题，具体是基于工业烟气的废弃油气井碳封存与储能调峰系统，包括烟气注入子系统、深地碳封存及储能联合子系统和地热增强的压缩烟气发电子系统，烟气注入子系统包括压缩装置，压缩装置的入口与工厂排放烟气出口连通，压缩装置与热量回收装置连接进行换热；本发明是通过三个子系统的协同工作，取消烟气中二氧化碳富集的高耗能分离过程，并自发利用地热资源，将弃用地层作为光伏风电储能和自发碳封存的介质，将富余的光伏风电等待储能源转化为压缩烟气势能。

一种智能多源热泵热水装置

Resumen de: CN119826353A

本发明涉及热泵热水设备技术领域，具体涉及一种智能多源热泵热水装置，包括热泵箱基体，所述热泵箱基体的内壁固定安装有隔断板，隔断板的上方形成有蒸发腔，隔断板的下方形成有冷凝腔，热泵箱基体的顶部配置安装有排风扇。本发明克服了现有技术的不足，通过冷凝管一先与冷凝腔内部的水进行加热使用，流经冷凝管一的气体介质能够在后续进入到换热腔内部，由冷凝管一进入冷凝盘的高温介质流失将会降低，从而提高介质在冷凝腔内部流动的时间，从而能够通过冷凝盘表面的换热翅片对冷凝腔内部的水进行高效的热交互，从而能够对冷凝腔内部的水进行高效加热使用。

一种矿井水结合水源热泵供暖循环系统

Resumen de: CN119826375A

本发明属于水源热泵技术领域，具体公开了一种矿井水结合水源热泵供暖循环系统，地下水源热泵，地下水源热泵上连接有辅热装置以及防堵式进水装置；地下水源热泵的底部具有水源热泵进水管以及水源热泵排水管，水源热泵进水管远离地下水源热泵的一端连接在辅热装置上，防堵式进水装置连接在防堵式进水装置上，通过防堵式进水装置塞入矿井内抽取矿井内部水源，随后水源经过辅热装置借助环境热能对矿井水进行辅助加热，使得矿井水进入地下水源热泵后通过换热器得到更多的热能。

用于中深层地热井开发的开式同井换热装置

Resumen de: CN119826384A

本发明涉及地热开发技术领域，提供一种用于中深层地热井开发的开式同井换热装置，包括井口装置、主体部件和温度监测装置。井口装置设有换热介质采出孔和换热介质注入孔，采出孔和注入孔均通过地面换热管线与换热器循环连接；主体部件包括换热管柱串、套管和换热机组，换热管柱串和套管均设于井口装置的底部，换热管柱串的内部构造出换热采出通道，换热采出通道与换热介质采出孔连通，换热管柱串和套管之间构造出井下回注通道，井下回注通道与换热介质注入孔连通；温度监测装置设于换热管柱串和套管之间。本发明将现有技术中的废弃井改造为地热井时可进行同井开发，以达到“取热不取水”的目的，进而实现地热资源清洁高效利用的目的，延长废弃井的服务年限。

一种基于空气-水-相变-土壤换热的新型智能通风冷却系统

Resumen de: CN119802747A

本发明公开了一种基于空气‑水‑相变‑土壤换热的新型智能通风冷却系统，提升建筑通风效率与冷却性能，减少能耗并适应多气候条件。系统包括储水单元(建筑基础下含U型空气循环管)、供水单元(地下水补充及过滤回收)、排水单元(高效排水防积水)、相变储能单元(分阶段储热释热减缓温升)、空气循环管道单元(灵活送风布置)及智能控制单元(物联网动态监测与优化)。系统创新结合建筑筏式基础与换热装置，利用地下水、空气及土壤自然换热特性，并整合相变储能与智能控制，解决了传统浅层地热通风系统换热效率与埋深选择的难题，提供了一种高效、可持续的建筑通风冷却方案，在绿色建筑领域具有广泛应用前景。

一种利用超导热棒摄取地源热的能源集成供应系统

Resumen de: CN119802703A

本发明提供了一种利用超导热棒摄取地源热的能源集成供应系统,包括设于地面下的多个容纳腔，多个容纳腔在地下呈上下排列，所述容纳腔内设有导热液，两个所述容纳腔之间通过超导热棒连接；地面上设有热水槽和冷水槽，还包括：混合罐，热水槽与混合罐之间通过排进管a连通；冷水槽与混合罐之间通过排进管b连通。本发明通过容纳腔内的导热液吸收地源热，通过超导热棒将热量传输至上一层容纳腔内的导热液中，热量逐层向上传导，直至将热量传输至热水槽热水中，排进管a将热水通入混合罐内，排进管b将冷水通入混合罐内进行混合；通过排出管将混合的热水传输至地暖管进行供暖，如此循环，利用地热进行地暖供热，节约资源提高能量利用效率。

ペットボトル等を使い安価に温度調節された空間等を利用する方法や食物やサービス等を適切に循環させ安定した社会を築き成長する方法

Resumen de: JP2020182434A

To improve the cost, etc. of the energy, etc., related to temperature control, etc., of a space, etc.SOLUTION: PET bottle-shaped materials are connected to make space for cultivating food, etc.SELECTED DRAWING: Figure 1

GEOTHERMAL ENERGY SYSTEM

Resumen de: WO2025074160A1

A system for geothermal heating, the system comprising a forced geothermal circuit disposed in a well bore. The system also comprise a well bore heat exchanger and an pump. The system may further comprise a circulation fluid and flux co-inverter. A method for geothermal heating, the method comprising passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; passing reservoir fluid into an annulus space; and passing the reservoir fluid through a sub-surface formation.

POWER GENERATION FROM PRODUCED WATER

Resumen de: WO2025076188A1

Aspects of the disclosure provide for power generation from produced water. A method includes extracting production fluid from an oil well, wherein the production fluid includes water, wherein the water is at a first input temperature. The method includes diverting at least the water of the production fluid to an on-site power generation system. The method includes converting heat energy of the water to electrical energy at the on-site power generation system, wherein after the converting the water is a second output temperature lower than the first input temperature.

生活コスト削減等。

Resumen de: JP2021085651A

To facilitate reduction of costs of energy or the like.SOLUTION: Upward energy is generated inside a tank by utilizing gravity difference between water (liquid or the like) and air (gas or the like). A device including a blade or the like that can open and close the upward energy generated in the tank is connected to a component like a chain of a bicycle and a component like a crank in order to convert the upward energy to rotational energy. A device for transmitting this rotational energy is disposed in the middle part of the tank. Water (liquid or the like) is supplied into the tank through a pipe or the like. Compressed air (gas or the like) is supplied into the tank. The water (liquid or the like) is dropped downward from an upper part to a lower part. The energy is converted into electric power by using a generator, or is used as another energy source. The water (liquid or the like) in the lower part is lifted up and reused with a power obtained by converting gravitational difference between liquid and gas into rotational energy.SELECTED DRAWING: Figure 1

Directional Well Hydraulic Clutch Drill String Full Rotation Controller

Resumen de: US2025116159A1

The disclosure is in the technical field of oil drilling, and in particular relates to a directional well hydraulic clutch drill string full rotation controller, including a rotary assembly, a power assembly and a control assembly. It has two working states: compound drilling and directional drilling. According to the change of the tool face, adjusting the rotation speed of the upper drill string or the displacement of drilling fluid may change the working state of the controller and complete the directional drilling work. The directional well hydraulic clutch drill string full rotation controller has a low cost and high safety and reliability. When oriented, the drill string keeps rotating, which greatly reduces the friction of the drill string system, reduces the stick-slip vibration phenomenon of the drill bit, and thus increases the ROP. The research and development of this technology is of great significance to the petroleum industry.

GEOTHERMAL ENERGY SYSTEM

Resumen de: US2025116430A1

A system for geothermal heating, the system comprising a forced geothermal circuit disposed in a well bore. The system also comprise a well bore heat exchanger and an pump. The system may further comprise a circulation fluid and flux co-inverter. A method for geothermal heating, the method comprising passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; passing reservoir fluid into an annulus space; and passing the reservoir fluid through a sub-surface formation.

BOOSTING WELL PERFORMANCE IN GEOTHERMAL SYSTEMS

Resumen de: EP4534923A1

Methods and systems are provided for extracting thermal energy from a geothermal reservoir. One aspect involves drilling at least one sidetrack that extends from a primary wellbore and intersects at least one fracture target in the geothermal reservoir. The at least one sidetrack can be configured to increase fluid flow into the primary wellbore from the at least one fracture target. The increase of fluid flow into the primary wellbore from the at least one fracture target as provided by the at least one sidetrack can increase the amount of captured heat from the geothermal reservoir.

A MODULAR FLUID-FLUID HEAT TRANSFER ARRANGEMENT AND A METHOD THEREOF

Resumen de: WO2023234832A1

A modular fluid-fluid heat transfer arrangement (100) is disclosed. The arrangement (100) comprising first inlet and outlet junction pipes (111, 112), second inlet and outlet junction pipes (121, 122); and a plurality of heat pump modules (130a, 130b, 130c), each comprises: first inlet and outlet ports (131a, 131b); second inlet and outlet ports (132a, 132b); control means (133); and a refrigerant circulation path (134) including: a first heat exchanger unit (135) fluidly connected to said first inlet and outlet ports (131a, 131b); a compressor (136); a second heat exchanger unit (137) fluidly connected to said second inlet and outlet ports (132a, 132b); and an expander (138); wherein, when in use, said plurality of heat pump modules (130a, 130b, 130c) are connected in parallel to each other, by their respective first inlet and outlet ports (131a, 131b) being connected to said first inlet and outlet junction pipes (111, 112), respectively, and by their respective second inlet and outlet ports (132b, 132a) being connected to said second inlet and outlet junction pipes (122, 121), respectively. The disclosure further relates to a method (300) for controlling the arrangement (100).

SYSTEM, METHOD AND COMPOSITIONS FOR EXTRACTING LITHIUM FROM LOW-ENERGY BRINES

Resumen de: AU2023275896A1

The present invention relates to a system (10) for extracting lithium or lithium salts from a brine, comprising: a feed circuit (20) for receiving the brine; a pre- treatment circuit (30) for removing carbon dioxide, silica and transition metals from the brine to obtain a treated brine, said pre-treatment circuit including a first pH modification unit (31) configured to modify a pH of the brine to 4 to 5, preferably about 4.5, a depressurization unit (32) positioned downstream from the first pH modification unit configured to depressurize the brine to about atmospheric pressure, a second pH modification unit (33) positioned downstream from the depressurization unit configured to modify the pH of the brine to 9 to 11, preferably about 10, prior to resting the brine in a precipitation tank (36), a precipitate filter unit (34) positioned downstream from the second pH modification unit configured to remove a precipitate including the silica and the transition metals from the brine and a third pH modification unit (35) positioned downstream from the precipitate filter unit configured to modify the pH of the brine to 5 to 6 to obtain the treated brine; a direct lithium extraction circuit (40) for extracting a lithium enriched brine comprising the lithium or lithium salts from the treated brine to obtain a lithium depleted brine; and a post-treatment circuit (50) for redissolving at least part of the precipitate and adding it to the lithium depleted brine to obtain a treated lithium

Downhole assembly to mitigate high frequency torsional oscillation and oscillation mitigation tool suitable for use in a downhole assembly

Resumen de: GB2634477A

The invention relates to a downhole assembly to mitigate high frequency torsional oscillation, in particular the high frequency torsional oscillation which can occur in a drilling operation for geothermal energy or for oil and gas. The downhole assembly (10, Fig.1) has a rotary steerable tool (18, Fig.1) and a high frequency torsional oscillation mitigation tool (20, Fig.1), the high frequency torsional oscillation mitigation tool having a one-way coupling (100) and a locking mechanism (Fig.14-18) for the one-way coupling, the high frequency torsional oscillation mitigation tool being located above the rotary steerable tool. The invention also relates to an oscillation mitigation tool (20) suitable for use in a downhole assembly. The high frequency torsional oscillation mitigation tool has a first end, a second end, a one-way coupling (100) between the first end and the second end. The tool has a first connector (142) at the first end and a second connector (144) at the second end, the first and second connectors being configured for releasable connection to other downhole components in use. The one-way coupling has a first part (134) and a second part (140), the first part being connected to rotate with the first end and the second part being connected to rotate with the second end. The one-way coupling has an engaged condition in which the first part (142) and the second part (144) can rotate together whereby drill string rotation can be communicated to the drill bit. The o

一种中深层土壤源热泵高效换热装置

Nº publicación: CN119778914A 08/04/2025

Solicitante:

山东鲁辰能源发展股份有限公司