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82
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Última actualización
21/11/2024 [07:54:00]
Resultados 50 a 75 de 82
Resumen de: CN118857428A
本发明涉及地热回灌技术领域，具体公开了地热回灌自动化监测装置，包括连接板件与监测管，连接板件上方设有缓冲模块，缓冲模块与连接板件之间连接有扩流模块，缓冲模块底端连接有支撑模块，缓冲模块上设有监测模块，连接板件底端边缘连接有上浮环件，监测管底端穿过缓冲模块、连接板件以及上浮环件，在进行地热回灌时，回灌尾水会落至缓冲板件上，通过缓冲板件的缓冲，在重力的作用下，使尾水依次通过圆形通孔、支撑管件以及流通槽口落至连接板件顶部，然后由连接板件顶部边缘汇入回灌井内的水液中，在尾水汇入量小于尾水回灌量时，通过扩流模块，为缓冲板件顶部的尾水提供额外的汇入方式，提高尾水汇入量，防止缓冲板件上尾水堆积。
Resumen de: CN118856403A
本发明属于光伏发电系统技术领域，具体公开了一种多能耦合能源自洽系统及其方法，自洽系统包括蓄热水箱、光伏光热组件、热泵系统、地热井、溴化锂制冷机组以及空调系统；蓄热水箱用于向需侧提供卫生热水；光伏光热组件与蓄热水箱连接，用于向蓄热水箱提供热水；热泵系统用于与地热井连接，还与蓄热水箱连接，将地热井的热水、蓄热水箱的热水提升温度后向需侧供暖；溴化锂制冷机组用于以蓄热水箱的热水作为热源进行制冷；空调系统将溴化锂制冷机组的冷量供给需侧；蓄热水箱与地热井连接，用于向地热井蓄热。本发明有效的解决解决地埋管换热器周围热储的冷堆积问题，可以做到系统内部零外能输入、零碳排放，实现了能源自洽。
Resumen de: NZ790942A
A method of removing built up aluminosilicate scale in a conduit of a geothermal plant reinjection well in which a fluid comprising mineralized water is flowing. The method comprises alternately treating the fluid in the conduit with an acid composition and a caustic composition via a lance, wherein treating is carried out without stopping the fluid flow in the conduit. The caustic composition may comprise a chelator and a surfactant dependent on analysis of the scale.
Resumen de: CN118836590A
本发明公开了一种建筑结构体蓄能热循环一体化系统及控制方法，其一体化系统包括：可再生能源产能模块、能源智能控制模块、支护蓄能模块、腔体热循环模块。能源智能控制模块将可再生能源转化为电能，并对电能进行自动分配；基础蓄能模块将电能转换为热能并大量储存，通过腔体热循环模块传递循环至建筑结构体中，进而将建筑结构体作为冷热交换机构调节建筑内部空间的热环境。本发明利用建筑物质实体蓄能量大的特点，进行建筑结构体和建筑围护体一体化蓄能，以构件本体空腔作为传热系统，在不增加空调等设备的情况下，实现了全建筑空间环境调控，能充分消纳不稳定可再生能源，可提升安全性，降低不稳定可再生能源对电网的冲击，避免大量弃电现象。
Resumen de: CN118835934A
本发明提出了一种用于强制对流地热井的管柱和作业方法，包括换热工质循环管柱和井下强制对流循环管柱，换热工质循环管柱上端连接地面装置，下端设置有井下换热器，其内部包括由上到下以及由下到上流通换热工质的工质循环通道。井下强制对流循环管柱，在第一完井段和第二完井段之间构成了热储流体的强制对流循环通道，井下强制对流循环管柱上设置有井下动力装置，可为热储流体的强制对流循环提供动力。换热工质和热储流体间接接触发生热交换，即两循环相互独立，符合取热不取水的原则。本发明还提供了上述管柱及相关工具的入井施工作业方法，包括井下各工具的连接及下入流程，通过所述方法可有效保障“强制对流”地热开发模式的安全高效开展。
Resumen de: CN118836588A
本发明涉及中深层地热资源开发技术领域，具体公开了一种开放式中深层地热换热系统，包括开放式中深层地热井装置，所述开放式中深层地热井装置包括井壁管和安装在所述井壁管内的中心管以及安装在所述井壁管上的导流装置，所述井壁管和中心管之间形成换热流道；所述井壁管位于换热井内，且穿过含水地层伸入岩热型热储层内，位于岩热型热储层内的所述井壁管外壁与岩热型热储层内壁之间形成第一间隙；导流装置包括上滤水管和下滤水管，上滤水管位于井壁管中部，下滤水管位于井壁管底部或靠近底部位置；本发明地热换热系统满足温泉洗浴用水的水温和水质需求，同时不易出现中心管脱落，便于后续井内出现冷热水串通故障排查与检修，减少热量损失。
Resumen de: CN118839475A
本发明公开了一种基于仿射变换的中深层地源热泵同轴换热器的模拟方法，涉及中深层地源热泵技术领域，针对中深层地源热泵同轴换热器模拟过程中遇到的计算难题，该方法首先依据中深层地源热泵地埋管换热器的实际物理特性，构建出精确的数值模型。通过步骤一至步骤五，结合模型数据集，采用仿射变换对控制方程进行优化，利用MATLAB和ANSYSFluent软件进行数值模拟，并通过自编辑函数UDF将两者结合，最终实现对井下同轴换热器的高效模拟和优化设计。该方法将复杂的物理过程通过数学模型和数值仿真进行优化，利用仿射变换简化方程，并通过结合不同的软件工具进行多层次的仿真和修正，最终实现对地埋管换热器性能的精确预测和优化。大幅降低了计算复杂度，提高了模拟效率。
Resumen de: CN118836589A
本发明提供一种地热开采系统及方法，该系统包括：注入井、生产井、以及工质循环泵组；所述生产井有多个，并且对称布置于所述注入井的四周；所述注入井和所述生产井通过压裂方式连通；所述工质循环泵组用于从所述注入井泵入循环工质，并从所述生产井中抽出高温高压的循环工质。利用本发明方案，可以保证较好的换热效果及较高的循环工质回收率，提高地热能开采效率和利用率。
Resumen de: WO2024218371A1
The invention provides a system and method for monitoring a supercritical geothermal reservoir. The method comprises injecting an injection fluid and at least one tracer into the geothermal reservoir. The method comprises taking at least one sample of supercritical fluid produced from the geothermal reservoir and measuring a concentration of the at least one tracer in the at least one sample. The method comprises monitoring at least one characteristic of the supercritical geothermal reservoir based on measured concentration of the at least one tracer.
Resumen de: WO2024218368A1
The invention provides a system and method for monitoring a subterranean formation. The method comprises injecting injection fluid into the at least one injection well wherein the at least one injection well is in fluid communication with the subterranean formation. The method comprises injecting or releasing at least one tracer into the at least one injection well and taking at least one sample from fluid produced from the subterranean formation. The method comprises measuring a concentration of the at least one tracer in the at least one sample and based on the measured concentration of the at least one tracer monitoring at least one characteristic of the subterranean formation.
Resumen de: WO2024218548A1
A method performed on a wellbore system with a first surface wellbore extending from a terranean surface to a subterranean zone, a second surface wellbore extending from the terranean surface to the subterranean zone and a plurality of connecting wellbores in the subterranean zone each connecting the first and second surface wellbores. A lateral wellbore is drilled using a drill string extending through the first surface wellbore. While drilling, flow of drilling fluid from the drill string is sealed against returning towards the first surface wellbore through the connecting wellbores.
Resumen de: US2024353304A1
The present disclosure relates to a method and a device for predicting ability of a temporary plugging agent to plug cracks and a storage medium, and includes the following steps: calculating a plane elastic modulus of a core through experiments, acquiring a maximum force load of a specimen, calculating rock fracture toughness through the maximum force load, manufacturing an artificial crack model and placing it in a core holder, preparing temporary plugging deflection fluid by selecting a temporary plugging agent, injecting the temporary plugging deflection fluid into the artificial crack so as to calculate apparent fracture toughness of the temporarily plugged crack, and finally calculating a fracture pressure of the temporarily plugged crack based on the calculated rock fracture toughness and the plane elastic modulus of the core. Through the above method, the present disclosure provides a standard fracture pressure calculation method.
Resumen de: US2024353051A1
A geothermal power system includes a power generation unit and tubing configured to be positioned within a wellbore coupled to the power generation unit. The tubing includes a first pipe with a first annular wall defining a first inner diameter and a first outer diameter. The first pipe has a first thermal conductivity. A second, pipe at least partially surrounds the first pipe. The second pipe includes a second annular wall defining a second inner diameter that is larger the first outer diameter of the first pipe. The second pipe has a second thermal conductivity. A coating applied to at least a portion of at least one of the first outer diameter of the first pipe and the second inner diameter of the second pipe has a coating thermal conductivity that is less than at least one of the first thermal conductivity and the second thermal conductivity.
Resumen de: WO2024220825A1
A well is completed in a subterranean formation with first and second fractures. Geothermal fluid flows into the well via the first fracture while flow into the well via the second fracture is prevented. Geothermal fluid flows into the well via the second fracture while flow into the well via the first fracture Is prevented. Fluidic access in the well to the first and second fractures is closed off. Then the well is recompleted on the subterranean formation by creating third and fourth fractures in the subterranean formation. The first, second, third, and fourth fractures are discrete from each other. Geothermal fluid flows into the well via the third fracture while flow into the well via the first, second, and fourth fractures is prevented. Geothermal fluid flows into the well via the fourth fracture while flow Into the well via the first, second, and third fractures is prevented.
Resumen de: US2024352305A1
A method of repairing a well is provided. The method includes injecting a brine solution into the well, injecting carbon dioxide into the well, and reacting the brine solution in the reservoir rock with the carbon dioxide to form calcite such that calcite precipitates into the desired flow path between a cold well and a hot well to effectively repair short circuits within the EGS reservoir.
Resumen de: WO2024220864A1
A first fluid is produced from a first subterranean formation, and the fluid is used to generate electricity and/or heat a second fluid. The first fluid is injected into a second subterranean formation that is different from the first subterranean formation. The first fluid is transferred from the second subterranean formation to the first subterranean formation. In some implementations, the first fluid is produced from the first subterranean formation at a first zone of a well, and is injected into the second subterranean formation at a second zone of the well. In some implementations, the generation of electricity using the first fluid is performed with an electrical submersible generator installed in the well. In some implementations, the transfer of the first fluid from the second subterranean formation to the first subterranean formation is performed using the electrical submersible generator as a pump.
Resumen de: WO2024220835A1
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. The first fluid heats a second fluid at the heat exchanger. The first fluid flows from the heat exchanger to a second inlet of the pressure exchanger. The first fluid enters the pressure exchanger at the second inlet, and flows in a second fluid path 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.
Resumen de: GB2629256A
A system and method for monitoring a subterranean formation. The method comprises injecting injection fluid into the at least one injection well wherein the at least one injection well is in fluid communication with the subterranean formation. The method comprises injecting or releasing at least one tracer into the at least one injection well and taking at least one sample from fluid produced from the subterranean formation. The method comprises measuring a concentration of the at least one tracer in the at least one sample and based on the measured concentration of the at least one tracer monitoring at least one characteristic of the subterranean formation.
Resumen de: US2024240618A1
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.
Resumen de: AU2022414101A1
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for using a hot sedimentary aquifer (HSA) in geothermal energy generation applications. An example embodiment operates by pumping, via multiple extraction wells, heated water from one or more extraction depths of an HSA. The HSA is identified based on a permeability satisfying a threshold permeability range. The example embodiment further operates by extracting, via a power generation unit, heat from the heated water to generate power and transform the heated water into cooled water. Subsequently, the example embodiment operates by injecting, via multiple injection wells, the cooled water at one or more injection depths of the HSA.
Resumen de: EP4450808A1
Issue to be resolved: To provide a power generation device and a power generation method capable of improving power generation efficiency and circulate and use a moving medium.Resolution: A power generation unit is equipped with a moving medium storage tank located in a pit formed in a heat source zone, a moving medium supply unit for supplying the moving medium to the moving medium storage tank, and a power generator that generates power by driving the moving medium flowing between a low-temperature zone above the moving medium storage tank and a high-temperature zone below the moving medium storage tank. The coaxial circulation power generator includes an outer pipe connected to the moving medium supply unit and an inner pipe for circulating the moving medium, and the outer and inner pipes installed in the moving medium storage tank are equipped with rotating blades that rotate in opposite directions around the direction of flow of the moving medium.
Resumen de: CN118815383A
本发明涉及特高含水井同轴换热改造方法，包括如下步骤：对特高含水井的热储层进行识别，选取同轴换热改造地热井；取出井内生产管柱，并检测井筒完整性；对选取的地热井进行换热井段改造；将中心管下入到井内，并将中心管的上部接头与井口连接；原有油井套管和中心管形成双筒同轴套管空间，中心管的底端悬空在油井套管中，循环工质从油井套管上部环空流入，进入井筒底部地热储层完成热交换，经中心管的底端导流孔进入从顶部流出，形成井下换热器管路系统；将地面循环系统与井下换热器管路系统相连接，形成闭式环路，驱动环路内的循环液不断循环，实现井底热能交换利用；本发明实现了地热资源的高效利用。
Resumen de: CN118816401A
本发明公开了一种搭配太阳能储热的翅式U型地埋管蓄热器，包括：竖井、U型翅式管道和相变回填材料；在地面上开挖形成竖井，相变回填材料填充于竖井中，U型翅式管道完全埋设于相变回填材料中；U型翅式管道的两侧上端包括换热流体进口和换热流体出口，将太阳能储热的换热流体由换热流体进口进入并通过换热流体出口流出，使得热量通过U型翅式管道传递至相变回填材料实现蓄热。通过本发明的技术方案，增大了换热流体与相变回填材料的换热面积，加大了流体在换热管内的扰动，提高了太阳能蓄热器的蓄热效率，实现了对太阳能热量的蓄热过程，实现了冷、热流体与固‑液相变回填材料之间的高效换热。
Resumen de: CN118815465A
本发明公开了一种钻井融冰透孔过程的气体流量监测装置，包括：密封装置、输送装置、气液分离器、流量测定装置和导热管，输送装置穿过密封装置上预留的通孔以深入钻孔的内部输出高温液体，使钻孔内部的冰融化从而生成气液混合物，气液混合物被气液分离器分离成气体和液体，气体单独通过流量测定装置进行测量，导热管植入地底深层并且环绕密封装置均匀设置。本发明的实施例通过密封钻孔，将溢出的气体和液体分离，然后单独监测气体流量的方式实现目的，同时还使用导热管将地底深层的热量传递至地表浅层，利用地表浅层的冷源降低地底深层的温度，以保持或增强钻孔周围冻土的稳定性，降低钻孔在融冰透孔过程中因被高温液体加热而崩塌的可能性。
Nº publicación: CN118816403A 22/10/2024
Solicitante:
河南工大设计研究院有限公司
Resumen de: CN118816403A
本发明公开了一种基于柔性相变材料的相变能源桩，包括由若干根纵向主筋和横向箍筋围成的筒状结构钢筋笼，从下到上中间位置焊接有螺旋结构支撑杆，螺旋结构支撑杆上螺旋缠绕有管状柔性相变材料；管状柔性相变材料包括柔性相变材料、换热管和金属卡箍，换热管外端分段套设有柔性相变材料，两段柔性相变材料的接口处通过金属卡箍固定；换热管一端为进水口、另一端为出水口，固定在同一根横向箍筋上，混凝土填充桩体内部其它缝隙；柔性相变材料由石蜡、白油和烯烃嵌段共聚物通过熔融共混法混合而成。本发明可以明显提升桩体储能性能，在提升桩体换热效率的同时避免了桩身强度下降，减少了桩体因温度波动产生的一系列问题，应用领域广阔。
BOPI
Sede Electrónica
