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68
results.
Updated on
01/09/2024 [08:04:00]
Results 50 to 68 of 68
Absstract of: US2024263844A1
An example heat exchanger includes an outer housing defining an outer chamber. The heat exchanger also includes an inner housing disposed in the outer chamber. The inner housing defines an inner chamber and at least one opening allowing the outer and inner chambers to be in fluid communication with each other. The heat exchanger further includes a first connector in fluid communication with the outer chamber and a second connector in fluid communication with the inner chamber. The first and second connectors are configured to allow a fluid to flow into or out of the heat exchanger. In some embodiments, the heat exchanger may also at least one of exhibit a generally conical shape, a truncated generally conical shape, or a generally cylindrical shape; include at least one helical structure disposed in the outer chamber; or exhibit a modular design.
Absstract of: US2024263543A1
In a geothermal plant, alternately injecting an acid composition and a caustic composition removes or inhibits scale build-up.
Absstract of: US2024263548A1
A controlled rate of propagation of the fluid saturation front or thermal front is desired in may oil and gas and geothermal operations. Natural fractures and fractures created during hydraulic stimulation may have heterogeneous hydraulic properties resulting in uneven flow distributions, therefore leading to short-circuiting and breakthrough issues. The present invention relates to wellbores connected hydraulically by multiple fracture zones; methods are directed to control for even flow distribution among fractures, regardless of heterogeneities in fracture hydraulic properties, and to control propagation of saturation fronts and thermal fronts in subsurface reservoirs.
Absstract of: TW202307357A
An insulated joint in a pipe-in-pipe system comprises a weld that connects two inner pipes while respective outer pipes circumferentially enclose the inner pipes and terminate at a position distal from the weld. Respective rings are coupled to the inner pipes at the distal position and the outer pipes are welded to the rings. A joint insulation material covers the weld, and a sleeve segment covers the weld and joint insulation material. Preferably, the sleeve segment is formed from two half-pipe sleeve portions and welded to the rings to so secure the sleeve segment to the joined pipe-in-pipe segments. Contemplated pipe-in-pipe systems have significantly reduced thermal loss and provide strength sufficient for a pipe laying process that includes pipe bending and pipe straightening.
Absstract of: US2024264332A1
A method for predicting a deep geothermal field based on a temperature, pressure, and resistivity coupling constraint includes: equally dividing logging resistivity—overburden pressure—temperature data of m boreholes in a study area into N formations on a depth basis, and normalizing resistivity in each formation; deducing an accurate relationship characterization between a normalized resistivity, a temperature and a pressure in different formations of different formations; inverting an electromagnetic data volume in the study area to obtain a resistivity distribution characteristic, equally dividing an inverted resistivity into M formations, and normalizing the inverted resistivity into a normalized inverted resistivity; inverting a density distribution based on gravity observation data, and converting the density distribution into an overburden pressure; and calculating a distribution characteristic of a deep underground temperature field based on the accurate relationship characterization in different formations, the normalized inverted resistivity, and the overburden pressure.
Absstract of: AU2023215438A1
A thermal reach enhanced geothermal wellbore is provided. The geothermal wellbore includes a wellbore extending from a topside surface to a target location in a formation. The geothermal wellbore further includes a plurality of fissures that distally extend from the target location into the formation and that are at least partially filled with a compacted high-thermal k material. The compacted high-thermal k material terminates on a proximal end at the target location of the wellbore and is thermally coupled to a high-thermal conductivity grout or slurry through which heat is conducted to a working fluid that is contained in a closed loop working fluid conduit embedded in the grout or slurry.
Absstract of: AU2022348959A1
A geothermal power system includes a power generation unit and at least one production well coupled to the power generation unit. The at least one production well is positioned at least partially within a geothermal reservoir. The production well includes at least one wellbore with a wellbore wall. A first tubing is positioned within the at least one wellbore and defines a first annular flow path through the first tubing. A second tubing is positioned around the first tubing and defines a second annular flow path between the first tubing and the second tubing. A third annular flow path is between the second tubing and the wellbore wall. A production fluid may flow in the same direction as a working fluid through the production well. The working fluid is used to generate electricity with the power generation unit. The working fluid may be a liquid, gas, or supercritical fluid.
Absstract of: WO2023055713A1
Systems and techniques may be used for incorporating direct air carbon dioxide capture capabilities into a working fluid condensing process of a geothermal power plant. An example technique may include causing, using fans, air to flow across condenser coils of a condensing unit, through which power cycle working fluid is circulated, and through a direct air capture (DAC) filtration component, which separates carbon from the air, capturing heat from a geothermal working fluid, and using the heat as thermal energy input to the DAC filtration component or using electrical energy generated from the geothermal power plant as electrical energy input to power the condensing unit and the DAC filtration component. The example technique may include gathering the carbon separated from the air to be injected into a geothermal reservoir or repurposed for another industrial process.
Absstract of: CN118442713A
本发明属于新能源技术领域，公开了一种深浅结合的单井地下换热器，本发明提供的深浅结合的单井地下换热器包括埋于井下200m以上的浅层地热换热器和埋于井下2000m以上的中深层地热换热器；所述中深层地热换热器由外套管和内套管构成，所述浅层地热换热器由U型管构成并嵌套在外套管内部。本发明可以使中深层地热井兼顾供暖和供冷的需求，实现冬季供暖和夏季供冷的功能，提高中深层地热井的利用率，改善中深层地热井上段的地热利用效果，提高经济效益。
Absstract of: CN118442712A
本发明公开了一种基于地热能的地下管廊温控系统，属于地热能采暖供热技术领域，包括地下管廊主体，所述地下管廊主体的下方设置有蓄热组件，位于所述地下管廊主体内的散热弯管和蓄热组件之间通过地水源热泵相连接。能够通过采用蓄热组件对地热能进行采集，具有成本低、污染小、可持续性高等优点，通过鼓风组件使导热箱体内部的空气产生流动，在提升换热效果的同时还能够根据需要将外界的空气均匀的吹向地下管廊主体的内部，进行换气或是初步的温度调控。
Absstract of: CN118442656A
本发明专利公开了一种具有抑制土壤热堆积的混合地源热泵复合控制系统，具体涉及能源控制系统领域。包括气象数据采集模块用于采集建筑所在地的实时气象数据；建筑负荷计算模块用于根据实时气象数据计算建筑的实时负荷数据；负荷预测模块用于建立基于LSTM神经网络的多步长负荷预测模型，得到预测负荷数据；负荷序列数据库用于存储实时负荷数据、以及预测负荷数据；中央控制器模块用于根据预测负荷数据控制冷水机组和热泵机组的流量、地埋管的激活数量、地埋管换热器方位或冷却塔的启停。采用本发明技术方案解决了现有的控制策略未考虑土壤热堆积对于地源热泵的负面影响的问题，具有结构紧凑、操控智能、适应性强等特点。
Absstract of: CN118443354A
本发明公开一种中深层地热取换热量试验系统，包括包括箱体，箱体内设置有调节水箱，调节水箱出水口上连接有出水管道，出水管道上沿水流方向由后向前顺序设置有Y型过滤器、水泵、压力表和电磁流量计；水泵进口与第一大小头管件小头端相连，第一大小头管件小头端内径大于水泵进口内径；水泵出口与第二大小头管件小头端相连，第二大小头管件小头端内径大于水泵出口内径。本系统可实现对中深层地热水多参数的耦合试验，为中深层的地热资源开采提供试验参考；本系统具有占地面积小、运行平稳的特点；本系统采用变频控制柜可最大限度减少大功率水泵对电网的冲击，节电节能效果显著；本系统安装拆取方便，便于研究试验结果和进行重复性试验。
Absstract of: KR20240118937A
본 발명은 충적대수층의 냉수를 양수하기 위한 냉수정 및 온수를 양수하기 위한 온수정에서 열교환기 측으로 지하수를 이동시키고, 그 지하수에 포함된 이물질에 의한 배관의 막힘 현상을 방지하기 위한 것으로, 냉수정 및 온수정과 소통되고 양수된 지하수의 이동을 위한 유로를 형성하는 적어도 하나의 이동배관부; 및, 냉난방을 위한 열교환기로 상기 지하수를 공급하기 위해 이동배관부와 열교환기 사이에 배치되는 것으로, 상기 이동배관부와 연결되는 적어도 하나의 주입관과, 상기 주입관이 외측에 체결되고 그 주입관으로 주입된 지하수를 일시적으로 수용하는 수용공간이 형성된 헤더관과, 상기 수용공간에 배치된 주입관의 단부에 결속되고 상기 주입관을 경유하여 수용공간으로 주입되는 지하수의 이물질을 필터링하는 여과부재와, 상기 여과부재를 통과하여 상기 수용공간에 일시적으로 수용된 지하수를 열교환기로 이동될 수 있도록 상기 수용공관과 열교환기를 소통시키는 공급관을 구비한 헤더관부;를 포함하여 이루어진다.
Absstract of: KR20240118938A
본 발명은, 냉난방을 위해 충적대수층에서 양수된 지하수를 냉수정 및 온수정 측으로 환수되게 하고, 그 지하수의 환수량을 상대적으로 크게 확보할 수 있게 하는 것으로, 충적대수층에 매설되는 냉수정 및 온수정과 열교환기를 소통시키는 이송배관의 내부에 잔류하는 지하수를 환수할 수 있도록, 상기 냉수정 및 온수정의 내측과 상기 이송배관의 내부를 소통시키고 상기 지하수의 이동을 위한 환수유로를 형성하는 환수관; 상기 냉수정 및 온수정과 인접하게 배치된 보조관정들 중 적어도 어느 하나와 상기 냉수정 및 온수정의 내측을 소통시키며, 상기 환수관을 경유하여 상기 냉수정 및 온수정의 내측으로 유입된 지하수를 상기 어느 하나의 보조관정으로 이동시키기 위한 주입유로를 형성시키는 보조주입관; 및, 상기 보조관정들의 내측을 서로 소통시키는 소통유로를 형성하고, 상기 어느 하나의 보조관정으로 유입된 상기 지하수를 소통유로로 이동시켜서 나머지 보조관정들의 내측으로 이동되게 하는 연결관;을 포함하여 이루어진다.
Absstract of: CN118423867A
本发明属于新能源技术领域，公开了一种中深层与浅层地热耦合建筑内嵌管系统及控制方法，本发明提供的中深层与浅层地热耦合建筑内嵌管系统包括：地热能采集单元，所述地热能采集单元用于采集中深层和浅层地热能；辐射换热器，所述辐射换热器与地热能采集单元或热泵连接；建筑内嵌管系统，建筑内嵌管系统与辐射换热器或地热能采集单元连接。该系统可以利用浅层和中深层地热实现夏季制冷和冬季供热；实现了地热能的直接利用，解决了供热季地埋管进水温度过高导致的热量利用不充分问题；实现了地热能的梯级利用，并为建筑内嵌管系统提供了一种稳定的能量来源。
Absstract of: CN118423894A
本申请涉及地源热泵的技术领域，提供一种地源热能补偿器，一种地源热能补偿器包括换热箱体、换热管组、第一驱动件、地埋换热管和第二驱动件所述换热箱体上设置有进风口和出风口；所述换热管组包括设置于所述换热箱体内的第一换热管，所述第一换热管包括进液口和出液口；所述第一驱动件用于驱动外界空气沿所述进风口向所述出风口移动；所述地埋换热管的两端分别与所述第一换热管的进液口和出液口相连通；所述第二驱动件用于驱动所述地埋换热管内液体向第一换热管内移动。本申请能够解决地源热泵系统中存在的取热量和排热量不平衡的问题。
Absstract of: CN118428095A
本发明提供一种中深层地埋管‑岩土传热的降阶系统构建方法及系统，方法包括：中深层地埋管结构和实际地质条件并将该数值模型分为多个部分，建立多个多输入的原始系统；利用初始阶段直接求解原始系统和求解降阶系统的偏差，得到每个原始系统对应降阶系统的合理的系数矩阵和降阶投影矩阵。该方法能够合理且较为快速地确定所建立的多个原始系统分别对应的合理的降阶系统。
Nº publicación: WO2024158461A1 02/08/2024
Applicant:
NORBECK JACK [US]
TITOV ALEKSEI [US]
DADI SIREESH [US]
GRADL CHRISTIAN [US]
VOLLER KATHARINE [US]
MCCONVILLE EMMA [US]
NORBECK, Jack,
TITOV, Aleksei,
DADI, Sireesh,
GRADL, Christian,
VOLLER, Katharine,
MCCONVILLE, Emma
Absstract of: 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.
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