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82
resultados
Última actualización
21/11/2024 [07:54:00]
Resumen de: CN118980187A
本发明公开了一种采用分段地热储能加多能互补调频调控系统，涉及储能装置技术领域；分层地热储能装置包括垂直单U管，其穿设于地层的换热孔内，并延伸至换热孔内的下层换热区域；所述垂直单U管顶部用于外接下层换热水体循环模块；螺旋管组件套设于所述垂直单U管上部的外侧，并位于所述换热孔内的上层换热区域；所述螺旋管组件顶部用于外接上层换热水体循环模块；隔热模块位于所述螺旋管和所述垂直单U管之间。本发明基于上述采用分段地热储能加多能互补调频调控系统，通过分别位于换热孔不同层的垂直单U管和螺旋管组件，实现了换热孔内，不同层之间的分层储热，减少了换热孔内的冷、热堆积。
Resumen de: CN118980118A
本发明公开了一种锅炉耦合地源热泵的储热系统及储热供热方法，属于能源转换的技术领域，包括，供能单元，包括锅炉，以及设置于所述锅炉上的烟道；除渣单元，包括设置于所述烟道上的工作壳体、设置于所述工作壳体内部的除渣机构，以及设置于所述除渣机构下方的收集机构；交换单元、储能单元、地源热泵，以及热用户。该储热系统通过将锅炉产生的高温烟气除渣后导入交换单元和储能单元，使得进入交换单元的高温烟气更加纯净，气体更加均匀，有效提高了热交换效率，从而提高能量储存效率，同时，土壤的高储热能力和低热损失率使得地源热泵系统在跨季节储热方面具有巨大潜力，锅炉与地热能的结合也提高了整体储热系统的效率和灵活性。
Resumen de: CN118979491A
本发明公开一种能源桩及其施工方法，涉及地源热泵技术领域，包括隔热段和换热段；隔热段内设置有预制管桩；换热段设置于隔热段的下方；隔热段和换热段内设置有U型换热管，U型换热管的进口和出口位于隔热段的顶部；预制管桩外部设置有第一填充物；换热段内设置有第二填充物。本发明能源桩及其施工方法，将换热段放在根植桩下部水泥土桩段，由于水泥土桩段具有较小的弹性模量，在相同的温度变化量下，可有效减小工作时桩身附加温度应力，进而有效的降低对桩身承载特性影响，从而保障上部建筑物的安全稳定。换热段水泥土桩成桩过程中通过在水泥浆中添加材料增大导热系数，提高能源桩的换热效率；施工方便，施工效率高。
Resumen de: AU2023267260A1
The invention relates to system (100) for controlling carbon sequestration, comprising at least one emitter (10), being configured to output a process fluid (11) comprising carbon dioxide that is to be sequestrated; at least one reservoir (20), being connected over a pipeline (70) with the at least one emitter (10) and being configured to receive and store the process fluid (11); at least one compressor unit (30), being disposed at the pipeline (70) between the at least one emitter (10) and the at least one reservoir (20) and being configured to control a downstream pressure of the process fluid (11); at least one valve (40), being disposed at the pipeline (70) between the at least one emitter (10) and the at least one reservoir (20) and being configured to control a flow of the process fluid (11) from the at least one emitter (10) to the at least one reservoir (20); an optimizer unit (50), being configured to determine emitter output data (DO) by continuously logging emitter output levels of the process fluid (11) of the of at least one emitter (10), wherein the emitter output levels relate to an amount of process fluid (11); being configured to determine future emitter output data (DOF) using the determined emitter output data (DO), wherein the future emitter output data (DOF) relate to a prediction of emitter outputs in a predetermined time window; being configured to determine optimized control set-points (S) for controlling the sequestration of the process fluid (11) usi
Resumen de: US2024376871A1
The process comprises recovering heat power from a geothermal fluid emitted at a hydrothermal active site at the bottom of a body of water, in particular at a bottom of a lake, a sea or an ocean; converting the recovered heat power into electricity in the body of water or at the surface of the body of water; powering at least an equipment with the electricity obtained from converting the recovered heat power; simultaneously injecting a carbon dioxide containing stream, in particular a stream of carbon dioxide dissolved in water, in a ground formation at a carbon dioxide injection site next to the hydrothermal active site to carry out a carbonation of the carbon dioxide in the ground formation.
Resumen de: US2024376783A1
The invention relates to a piston and cylinder assembly (12) of a downhole tool (10), and in particular to a piston and cylinder assembly of a rotary steerable tool. The piston (20) has an outer wall (80) which is in direct sliding contact with a wall of the cylinder (12) whereby to provide a solid sealing interface without elastomer seals. The cylinder has a retainer (22) for the piston, the retainer having at least one retaining part, the piston having at least one retained part (74), the retaining part and the retained part cooperating to retain the piston in the cylinder. The retained part is separate from the outer wall. The invention avoids the requirement for cross pins or the like to retain the piston in the cylinder and thereby avoids any holes or other discontinuities in the sealing surfaces. The invention thereby separates the function of retaining the piston from sealing the piston to cylinder interface. The invention also relates to a downhole tool with a piston and cylinder assembly, and a method of assembling the piston and cylinder including the steps of: inserting the piston into the cylinder so that the retained part passes the retaining part, rotating the piston relative to the cylinder so that at least a portion of the retained part becomes aligned with at least a portion of the retaining part, and locking the piston against rotation relative to the cylinder.
Resumen de: US2024377106A1
Described and illustrated is a method for providing process steam for a process, in particular a process engineering process, using geothermal heat. In order to enable a more climate-friendly, simpler, more efficient and more economical operation, it is provided that the geothermal heat of a thermal fluid heated in a geothermal heat source is used to provide a geothermal steam, that an upgrading steam is used to upgrade the geothermal steam and that during the upgrading the geothermal steam is simultaneously compressed and heated.
Resumen de: US2024377300A1
A device and a method for evaluating damage of high-temperature and high-humidity gas to a surrounding rock porous structure are provided. The device includes a rock sample clamper, a temperature control device, a pressurizing device, a gas mixing injection device, a CT scanning device and a low-temperature nitrogen adsorption device. By simulating the gas rock reaction under the conditions of in-situ temp., pressure and gas, using CT scanning device to visually monitor and analyze the reaction condition of gas and tunnel surrounding rock and the change condition of porous structure, and using low-temperature nitrogen adsorption test to obtain porous structure parameters change condition before and after reaction of gas and tunnel surrounding rock, and the damage evaluation index of the porous structure is established.
Resumen de: US2024377550A1
Systems and techniques may be used to obtain information corresponding to a well of a reservoir. An example technique may include drilling a first well, inserting a fiber optic cable into the first well, sending a laser pulse down the fiber optic cable, and capturing distributed fiber optic sensing (DFOS) data. The example technique may include determining, based on the DFOS data, well placement parameters for a second well, and outputting the well placement parameters for the second well.
Resumen de: WO2024231758A1
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: WO2024231757A1
A drilling fluid is flowed through a bore of a first coiled tubing to a bottom hole assembly (BHA) comprising a drill bit and into a wellbore being drilled. A cooling fluid is flowed toward the drill bit through a second coiled tubing residing in the wellbore with the first tubing. The cooling fluid has different thermal characteristics than the drilling fluid. In certain instances, the first and second tubings are bundled. In certain instances, the drilling fluid is oil based drilling fluid and the cooling fluid is water based drilling fluid.
Resumen de: WO2024231756A1
A specified variance of thermal resistance of a drill string along its length is selected such that, as the wellbore is drilled by the drill string in a subterranean zone towards and then reaches a target measured depth, a temperature of the drilling fluid at a bottom-hole assembly to which the drilling fluid is conveyed by the drill string neither substantially exceeds nor substantially falls below a target operational temperature range. The wellbore is drilled with the drill string constructed, as the wellbore is being drilled, to have the specified variance of thermal resistance along its length.
Resumen de: EP4461922A2
In a geothermal plant, alternately injecting an acid composition and a caustic composition removes or inhibits scale build-up.
Resumen de: CN118933637A
本发明提供一种集成式地热井口装置，涉及地热能利用技术领域，包括集成壳体，集成壳体的外表壁设置有进气口，进气口的侧边一端连通有输送管道，输送管道的顶部连通有蒸汽排汽管道，蒸汽排汽管道的侧边一端连通有消音器，输送管道的外表壁一侧连通有第一排水管，第一排水管的侧边一端设置有第一电动阀门，通过就地变压器、泄压阀、第一排水管、第一电动阀门、蒸汽排汽管道、第二电动阀门、温度传感器、第三电动阀门、除雾器、汽水分离器与消音器的配合下，使得整体装置在进行使用时，地热能源能被充分处理，再将处理后产生气体排放至周围环境中，避免在排放时，气体中还存在有害物对周围环境造成影响。
Resumen de: CN118935760A
本发明涉及地热利用技术领域，尤其涉及一种地源热井系统及地热采集方法，包括保温管、抽水泵、地源热泵机组和抽水井，其中，所述保温管同轴设置在所述抽水井中，所述保温管下端的侧部设置有进水孔，以使井水可以进入到所述保温管中；所述抽水泵设置在所述保温管中，用于将所述保温管内的井水泵送至所述地源热泵机组中；本发明通过设置清孔组件的一端在滤水孔中上下往复滑动，以将滤水孔中的泥沙推入第一进水通道中，使得过滤组件不易被井内泥沙堵塞，保证了抽水的效率，同时，该系统可以对井水进行两次沉降、四次过滤，使进入地源热泵机组的井水较为洁净，不易对地源热泵机组造成堵塞，有利于系统的正常运行，使得系统的维护成本和能耗较低。
Resumen de: CN118936191A
本发明公开了一种利用土壤恒温特性散热的高效热交换水箱，属于热交换水箱技术领域，包括：发热部件；容器内部填充有非导电介质，发热部件浸泡于非导电介质中并通过非导电介质热交换；发热部件与水冷却循环系统相连用于热量从发热部件传输至水箱；土壤风冷换热组件，埋没于土壤中并且位于水箱下方以及两侧，通过将地上的空气从水箱的一侧流入水箱下方的土壤深处与土壤接触，从水箱的另一侧排出气流带走土壤中的热量，水箱埋设于土壤中，供存储循环水并通过土壤调节温度，水箱的底面安装有水箱底座，水箱底座底面四角固定有中空支撑柱，使得水箱下方预留出供空气流通的空间，在水箱底座底面还设置有气流对流辅助组件。
Resumen de: CN118935758A
本发明公开了干热岩型地热资源开发过程中水岩反应及流体渗透过程技术领域的多场耦合作用下干热岩储层改造与热能提取方法，包括以下步骤：步骤一，成井与靶区优选：钻出注入井和生产井；步骤二，岩层压裂；步骤三，化学刺激：在注入井内固定改造装置，并注入化学刺激剂；步骤四，回收监测：监测岩层裂缝情况并回收热能；步骤五，再钻评估：继续钻取注入井和生产井，重复步骤二到步骤四，评估岩层改造效果和热能提取效率。本发明操作简单，通过电动伸缩杆对改造装置限位，使低温高压水能够对岩层进行定点压裂，进而实现裂缝的定向扩展并增大裂缝的长度与扰动范围，增大低温高压水与岩层的接触面，使低温高压水带出的热能更多，提升热能提取效率。
Resumen de: CN118934116A
本发明公开了一种地热能与压缩空气耦合储能系统及其使用方法，属于压缩空气储能和地下取热蓄能技术领域，包括压缩系统、换热储热系统、储气系统、膨胀系统、地热蓄热系统和地热取热系统，通过将直接利用岩层中低温区域的地热能对压储系统中遗弃低温水或者外接高压低温水进行加热并对地热进行蓄积，弥补储释能过程热量散失，对释能过程中膨胀透平机中的空气进行再次加热，建立压缩空气储能与地热耦合系统，通过设置地热蓄热环节，并结合压储系统过程热量易耗散的问题，解决了转换效率不高的难题，采用地热进行补热，加热蓄热介质，其储能效率可提高12％—15％，且能量密度提高20％—25％。
Resumen de: CN118935759A
本发明涉及地热能利用技术领域，提出了一种地源热井及维保方法，包括固定套管，固定套管插接在井内；还包括外管和内管，外管包括相连接的上段和下段，内管包括相连接的连接段和工作段，其中，上段设置在固定套管内；下段延伸至固定套管外，且下段远离上段的一端密封；连接段设置在上段内，且连接段延伸至井外，上段与连接段之间形成空腔；工作段设置在下段内，且工作段与下段之间具有密封腔室，密封腔室填充有换热介质；连接段和工作段均开设有介质供入流道和介质回流流道。本发明地源热井进行换热时，可通过空腔隔离或向空腔内填充保温介质，降低热量损耗，如此简化了保温结构，降低了施工难度，同时还不会受到冻融循环及化学腐蚀等因素的影响。
Resumen de: CN118912717A
本发明公开了一种光伏、风力发电建筑基础蓄冷、蓄热系统及其使用方法，系统包括：电力智能控制系统，用于利用太阳能、风能进行发电；基础土壤蓄能系统，设于建筑底部，包括换热构件及蓄能建筑基础构件，换热构件，设于蓄能建筑基础构件中，用以升温或降温蓄能建筑基础构件，进而调节蓄能建筑基础构件的蓄能量；蓄能建筑基础构件包括级配土壤层和建筑固有结构体，级配土壤层在建筑固有结构体中填充设置，基础土壤蓄能系统的顶部接触建筑的地面板向建筑内部空间换热。本发明利用建筑基础大量蓄能，能够消纳大量不稳定可再生能源，减少或免除蓄能电池的用量，提升安全性，规模化应用可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: CN118911766A
本说明书提供一种地下盐矿和竖井相结合的能量利用系统及其控制方法，其中系统包括：设置在竖井中的外管、内管、封堵器，外管与内管之间形成环形腔道；在第一状态下，封堵器将外管内腔分为相互隔绝的上、下两部分，在外管内腔的上部，环形腔道与内管内腔连通，形成供暖系统中热媒循环路径的一部分；在第二状态下，封堵器封堵内管底部或者环形腔道，以使内管和/或环形腔道通过外管底部与地下盐矿的内腔连通，形成压缩气体的流通通道。本方案仅利用封堵器就可以实现“竖井井筒换热+地下盐矿储气”的高效集约化利用模式，在降低系统造价的同时提升了能源利用效率，提供了一种高效创新、清洁友好的“储能+取热”能源应用模式。
Resumen de: CN118912716A
本发明涉及地质、石油等深井超深井的地热相变开采领域，具体是一种压力脉冲式井下相变换热器及其工作方法，该换热器包括从上到下依次设置的上半球壳、圆柱壳和下半球壳，其内设有三层套管、配重、倒置的T型活塞、压力脉冲限流器、双层螺旋折流板、流向转换器；所述三层套管竖直穿设在上半球壳轴线处，所述三层套管的外层为环空层用来注入相变介质、中间层填充保温材料、内层为中空流道用于相变介质相变后的膨胀输送。本换热器无其他耗能原件，以相变介质的脉冲压力作为完成热交换后载热相变介质的主要驱动力，通过相变介质在换热器内吸热发生相变自由膨胀的过程提供动力，在实现载热相变介质返回地面的同时，抽排低温地热水，实现高效开采。
Resumen de: CN118912744A
本发明属于可再生能源中的地热能技术领域，公开了一种可实现多种取热深度的地下地埋管系统，本发明提供的可实现多种取热深度的地下地埋管系统包括：包括地埋管外管、地埋管中心定管、地埋管中心转管、中心定管孔、中心转管孔以及流体。地埋管换热器内管由紧密贴合的位于相对外侧的中心定管、位于相对内侧的中心转管构成。中心定管与中心转管侧面有不同排列形式的孔，通过顺时针旋转中心转管可以使位于两管特定深度位置的孔一一对应供流体流通，而其他深度位置的孔均处于闭合状态，从而实现多种取热深度。
Resumen de: WO2024229184A1
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.
Nº publicación: US2024369046A1 07/11/2024
Solicitante:
CONOCOPHILLIPS COMPANY [US]
CONOCOPHILLIPS COMPANY
Resumen de: US2024369046A1
The present disclosure generally relates to harvesting geothermal energy from mature and near end-of-life oil and gas reservoirs that have been subjected to secondary oil recovery steam processes like steam-assisted gravity drainage (SAGD), steamflood, etc. The geothermal potential of these mature SAGD reservoirs can be used to generate green electricity thus reducing the greenhouse gas (GHG) footprint of the oil production. Lateral spacing of injectors and producers, with closing of unused members of a well-pair for energy recovery is described.
BOPI
Sede Electrónica
