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66
results.
Updated on
19/04/2025 [07:43:00]
Results 25 to 50 of 66
Absstract of: CN119778894A
本发明提供了一种基于多分支井筒的中深层地热换热系统，包括主井筒子系统和位于地面以下地热层内部的分支井筒子系统以及位于地面以上的地表换热子系统；主井筒子系统包括竖直设置且下端沿竖直方向伸入地热层的四个主井筒，其中两个主井筒上端通过地表换热子系统进行连通，剩余两个主井筒上端通过地表换热子系统进行连通；分支井筒子系统包括水平设置且左右两端分别与相应主井筒下端连通的多个分支井筒。采用本发明能够利用工作流体的热虹吸实现工作流体的自循环，从而实现对地热能的高效利用。
Absstract of: CN119778056A
本申请提供了一种基于地热利用原理的风光电储能系统，涉及地热发电领域，系统包括：供电装置、加热装置、换热装置以及发电装置；所述供电装置用于利用风能发电机组和太阳能板储存的电能，通过输出端电缆传递给井筒内加热线圈；加热装置用于通过加热线圈产生的热能对含水层和花岗岩层进行加热，对热能进行存储；换热装置用于将含水层和花岗岩层的热能转换为水的内能，得到水或水蒸汽；发电装置用于将水或水蒸汽转换为高温高压的蒸汽，驱动汽轮发电机组运行进行发电。联合风能、太阳能产生的电能对地层中的含水层和花岗岩层进行加热，使岩层中的热源大大提高，使换热介质采出温度提高，达到地热发电所要求的温度，实现地热发电。
Absstract of: CN119778017A
本发明公开了一种地下矿山热害治理与地热能开发利用协同处理系统，冷水供应与减压系统包含位于矿井上部恒温带工程内的冷水收集池(1)及供水管道(2)，供水管道(2)沿井筒布置下至深部需降温中段；隔热支护和换热系统(S)之换热管网(16)是由导热速度极快的中空金属换热管组成相互贯通的网状结构；水泵(8)入水口由保温管(9)接换热管网出水口(18)，水泵(8)的出水口由保温水管(9)沿井筒布置上排至地表换热器(10)，最后进入地表供暖系统。本发明通过换热管网将矿井上部恒温带内冷水收集池中的冷水给入深部需降温中段作业现场，将作业现场环境温度有效控制在湿球温度27℃以下，既能实现高温作业区域环境温度控制又能回收地热资源，达到节约能源的目的。
Absstract of: CN119778893A
本发明涉及地热系统技术领域，具体公开了一种中深层地热井下地埋高效换热器，包括：外套管、同轴嵌设于外套管中的内套管以及位于内套管下端部的储热缓流单元；储热缓流单元通过隔流件有效分隔换热流道与回流道，防止冷热流体直接混合，避免热短路；配合螺旋分流片和缓流件动态调节，延长流体井下停留时间，增强湍流强度，提升换热效率；利用流体动能驱动涡轮叶片及转轴，带动分流件和往复件动作，无需外部能源即可实现流体路径动态调节；缓流结构和柔性囊片降低流体对地层的冲击，减少储层扰动；闭式循环设计避免抽取地下水，防止污染，内套管隔热腔阻断径向热传递，减少回流道热量损失。
Absstract of: CN119746571A
一种城市用氢能源的无碳化生产装置。以自然无碳能源太阳能、地热能、辐射能为能量源，比单一能源制氢能量密度高，比能量大，能量源充足稳定。以氢为能源转换载体，以水为生产制氢原料。比光、热、化学法制氢，电解法制氢，生物法制氢，核能制氢，其他物理方法制氢转换效率高，转换速度快，不使用消耗催化材料，采光面积小，制氢产量大。即保护生态环境又促进经济的发展，是实现现代化城市无碳化建设的一种有效途径。
Absstract of: CN119755820A
本发明提供回灌井回扬水处理系统，主要涉及地热利用技术领域。回灌井回扬水处理系统，包括开采井、回灌井、供水管、回灌管、除砂器、板式换热器、过滤器，所述除砂器通过供水管与开采井相互连通，所述过滤器与回灌井通过回灌管相互连通，所述除砂器、板式换热器、过滤器通过连接管依次连通，所述供水管与回灌管上分别设有第一阀门、第二阀门，所述供水管与回灌管之间设有可调节的回水管网。本发明的有益效果在于：本装置在不改变原有系统的基础上，通过增加回水管网对回扬水的回路进行优化，节省了供暖企业基础建设及施工成本。
Absstract of: CN119754275A
本发明公开了一种适用于钻孔灌注桩的W型能源桩埋管结构及施工方法，其适用于桩长较大的情况，扩展了能源桩的适用范围。同时，本方案其通过在W型换热器的顶部弯头处配备了排气装置与回路，提高了能源桩群的长期换热效率，保障系统稳定运行。此外，本发明还提供另一种合理的能源桩群间距计算方法，其能够对能源桩间距进行计算，以获得最佳能源桩排布。
Absstract of: CN119746497A
本申请提供一种防堵塞的地热尾水回灌装置，包括回灌管线、回灌泵以及过滤组件。回灌管线连接于回灌井；回灌泵连接于回灌管线；过滤组件连接于回灌泵，过滤组件包括过滤管道、升降部、安装部以及过滤部，过滤管道包括管壁、由管壁围合形成的中空部、位于管壁顶面且与中空部连通的第一开口以及与第一开口相对的第二开口，第一开口和第二开口呈长条状且均沿垂直于过滤管道的长度方向延伸，安装部设置在过滤管道的第一开口位置，安装部向朝中空部凹陷形成容纳部；过滤部通过第二开口插入到中空部，过滤部包括过滤网和导轨架，导轨架连接在过滤管道的两侧管壁上，过滤网通过导轨架与管壁滑动连接；升降部设置在容纳部，升降部包括驱动部、传动部和牵引部，牵引部通过传动部与驱动部连接，牵引部包括两根牵引带，两个牵引带从安装部的底部伸出并与过滤网可拆卸连接。本申请实施例提供的防堵塞的地热尾水回灌装置，以至少解决现有的地热尾水回灌装置不方便更换过滤网的技术问题。
Absstract of: US2025109890A1
A system and method for in ground heat exchange, including at least one first array and one second array, each first and second array comprising a plurality of capped pipes; at least one temperature sensor; and at least one flow rate sensor, a plurality of flow rate valves connected to each first array and second array, the flow rate valves configured to facilitate flow of a liquid through the system; at least one pump attached to the flow rate valves for modulating the flow rate of the system; and a heat pump, wherein the system is configured to provide heating and cooling to a building.
Absstract of: US2025109891A1
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.
Absstract of: WO2025069842A1
This control device is for a geothermal heat utilization system comprising: a heat source well facility provided with a pumping water well, a return water well, a well-side pipe extending from the pumping water well to the return water well, and a heat exchanger provided partway in the well-side pipe; a geothermal heat utilization circuit provided between the heat exchanger and equipment; and an auxiliary heat supply facility provided in the equipment in parallel with the geothermal heat utilization circuit and provided with a heat source machine. The control device includes a return water temperature acquisition unit that acquires a return water temperature of water returned to a return water well of the geothermal heat utilization system, a flow rate control unit that controls a flow rate of a refrigerant flowing from the geothermal heat utilization circuit to the equipment on the basis of the return water temperature, and a heat source machine control unit that controls start and stop of the heat source machine on the basis of the return water temperature.
Absstract of: JP2025048300A
【課題】本発明は、地熱資源を効率的に利用することで、エネルギー問題に対処しようとする課題を解決する。【解決手段】地熱資源を利用するためのシステムであり、該システムは、地熱エネルギーの収集手段と、地熱エネルギーを変換する手段と、地熱エネルギーを効率的に利用する手段とを含む。【選択図】図１
Absstract of: AU2023365990A1
The present disclosure describes a system and a method for generating energy from geothermal sources. The system includes an injection well and a production well extending underground into a rock formation, a first lateral section connected to the injection well and a second lateral section connected to the production well, the first and second lateral sections connected with a multilateral connector, defining a pressure-tested downhole well loop within the rock formation and in a heat transfer arrangement therewith. The downhole well loop cased in steel and cemented in place within the rock formation. The downhole well loop to receive working fluid capable of undergoing phase change between liquid and gas 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.
Absstract of: GB2634155A
Methods and systems for geothermal energy production wherein multiple horizontal or vertical wells are used to pass fluids through the Earth from an injector well 215 to a producer well 210 through induced cracks, splits, fractures, conduits, or channels in the rock. Such methods and systems include controlling tensile-split conduits in a subterranean geothermal formation by providing an injection well, providing a production well, configuring the injection well for injection of a tensile-splitting fluid into a production zone, configuring the production well to produce a heated fluid from the production zone, applying pressure to the production well, creating a plurality of tensile-split conduits, raising or lowering the pressure in the production well, establishing fluid communication between the injection well and the production well using hydro-shearing, and producing the heated fluid to the surface.
Absstract of: US2025067481A1
A heat extraction system for extracting heat from a reservoir, the system including a co-axial tool configured to be placed underground, the co-axial tool having an outer pipe and an inner pipe located within the outer pipe, each of the outer pipe and the inner pipe being connected to a shoe so that a fluid flows through an annulus defined by the inner and outer pipes, reaches the shoe, and flows through a bore of the inner pipe; and a power generator fluidly connected to a chemical processing unit to receive a fluid, and also fluidly connected with a first port to the inner pipe and with a second port to the outer pipe of the co-axial tool. A temperature difference of the fluid at the power generator and at the co-axial tool drives the power generator to generate energy.
Absstract of: AU2023416997A1
(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property (1) Organization11111111111111111111111I1111111111111i1111liiiii International Bureau (10) International Publication Number (43) International Publication Date W O 2024/141507 Al 04 July 2024 (04.07.2024) W IPO I PCT (51) InternationalPatent Classification: (81) Designated States (unless otherwise indicated, for every F24T 10/17 (2018.0 1) kind of national protection available): AE, AG, AL, AM, (21) International Application Number: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, PCT/EP2023/087738 CA, CH, CL, CN, CO, CR, CU, CV, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, Fl, GB, GD, GE, GH, GM, GT, (22) International Filing Date: HN, HR, HU, ID, IL, IN, IQ, IR, IS, IT, JM, JO, JP, KE, KG, 22 December 2023 (22.12.2023) KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, MG, MK, MN, MU, MW, MX, MY, MZ, NA, (25)FilingLanguage: English NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, (26) Publication Language: English RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, ST, SV SY, TH, (30)PriorityData: TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, WS, FR2308348 01 August 2023 (01.08.2023) FR ZA,ZMZW. (84) Designated States (unless otherwise indicated, for every (71)Applicant: CGG SERVICESSASFR/FR;27,Avenue kind of regional protection available): ARIPO (BW, CV, Carnot,91300MASSY(FR). GH, GM, KE, LR, LS, MW, MZ, NA, RW, SC, SD, SL, ST, (72) Inventors: PETER-BORIE
Absstract of: CN119713621A
本公开提供了一种单井取热系统，包括：井台，设置于地热井的井口；井上装置，设置于上述井台，具有与外部用水环境连通的第一进水管及第一回水管；换热装置，设置于上述地热井内，包括：换热器，具有循环侧及换热侧，上述循环侧与上述第一进水管及上述第一回水管相连通，上述换热侧和地热环境相连通，以使地热水在上述地热井内与上述循环侧换热；以及潜水泵，设置于上述换热器的下方，与并上述换热侧相连通，被配置为将上述地热水抽取至上述换热侧。
Absstract of: CN119727533A
本发明为一种结合太阳能的使用星球地表和地下温差发电系统，利用有机会受到太阳光照射的星球地表和地下存在温差的特性，在可以被太阳光周期性照射的星球上，使用独特结构的地面换热器充分利用其地表和地下的热源和冷源，再结合有机朗肯循环进行热功转换从而实现星球上的温差发电。为了节省成本，本发明通过合理的结构设计，使热功转换系统可以正向运行也可以反向运行。为了适应不同的使用场景，本发明可以根据星球具体的温度情况灵活地选择不同的工质，使系统的发电效率总是能达到当下情况的最优。这样的发电方式可以在很大程度上摆脱对太阳照射的依赖，在太阳光不能一直照射的地方也可以获取较为稳定的高品位电能。
Absstract of: WO2025057643A1
This geothermal power generation system, which generates power using thermal energy in a geothermal zone, comprises: at least two wells; a power generation facility that extracts a geothermal fluid generated in the geothermal zone from any one of the at least two wells and generates power using thermal energy contained in the geothermal fluid; and a geothermal heat exchanger that performs heat exchange on the fluid circulating in a flow path configured as a closed loop-type flow path in the geothermal zone. The geothermal heat exchanger is provided at any one point between the at least two wells.
Absstract of: WO2024041922A1
The invention relates to 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: WO2025065031A2
A thermal system includes a borehole heat exchanger, a facility having a peak heating load, a data center including at least one heat generating electronic component, and a ground-source heat pump. The data center, the borehole heat exchanger, and the ground-source heat pump are connected in a dynamic downhole fluid circuit with a flow of a downhole fluid. The dynamic downhole fluid circuit is configured to reject heat from the data center to the facility and to the BHE, and a power capacity of the data center is less than the peak heating load of the facility.
Absstract of: US2025102191A1
Systems and processes for dry hot rock drilling operations using sCO2 expanded across one or more downhole J-T valves or chokes to cool MWD components. Methods of modeling same.
Absstract of: US2025101889A1
A thermal energy method for converting thermal to mechanical energy is disclosed. The method comprises circulating liquid and vapor phases of a working fluid in a closed loop comprising a recipient arranged at a lower part and a tube system comprising a rising part, a condenser section of a descending part and a hydrostatic pressure section of a descending part. A corresponding system is also disclosed.
Absstract of: US2025101961A1
The method and the system are related to means for extraction of geothermal energy from deep wells having been used for oil or gas production. The extracted geothermal energy may then in turn be used in generation of electricity. A first aspect of the invention is a geothermal energy recovery system adapted to recover heat from a depleted oil and gas reservoir being a reservoir storing hot water and, a second aspect of the invention is a method for adapting an oil and gas production well of a depleted oil and gas reservoir into a geothermal energy recovery system for recovering heat from said depleted reservoir. According to this method the energy potential from abandoned wells can be exploited.
Nº publicación: US2025101962A1 27/03/2025
Applicant:
RODA ENERGY CORP [CA]
Roda Energy Corporation
Absstract of: US2025101962A1
The present disclosure describes a system and a method for generating energy from geothermal sources. The system includes an injection well and a production well extending underground into a rock formation, a first lateral section connected to the injection well and a second lateral section connected to the production well, the first and second lateral sections connected with a multilateral connector, defining a pressure-tested downhole well loop within the rock formation and in a heat transfer arrangement therewith. The downhole well loop cased in steel and cemented in place within the rock formation. The downhole well loop to receive working fluid capable of undergoing phase change between liquid and gas 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.
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