Geothermal energy is a clean and environmentally friendly source that can be used sustainably; however, attention towards geothermal has been intermittent during the last 40 years as function of crisis oil price. However, reinjection clogging challenge limiting development utilization. In China, widely distributed sandstone reservoirs have reduced production due to technical constraints such excessive pressure blockage. this paper, we took Binzhou field in North China an example conducted...

The thermophysical properties of rocks are identified as basic physical parameters for the exploitation and utilization hot dry rock (HDR) geothermal resources. Given that reservoirs in a HDR system subjected to certain temperature pressure, investigating impacts pressure on holds great significance. This study investigated granite samples from Tengchong area, Yunnan Province, China. Using laboratory tests combined with simulations, this explored temperature, combination both thermal...

Abstract Large-scale geothermal production based on a multiwell layout has been promoted by the development of clean energy. However, theories about effects this pattern temperature field reservoirs are yet to be improved, which hinders design optimization deployment schemes wells. This study proposed 3D simulation method covering heat transfer in wellbores introducing well theory 1D line elements, thus improving calculation efficiency without reducing accuracy. By taking using multiple...

This study presents a comprehensively analysis of geothermal characteristics in the Xianshuihe area along Sichuan-Tibet Railway, using temperature logging, monitoring and thermal conductivity measurement, regional geological survey data. The research focuses on background, field, their potential impact surrounding tunnels. investigation reveals that average heat flow value is approximately 73.0 mW/m², significantly higher than terrestrial mainland China (​​62.5 mW/m²)....

The world-class Shizhuyuan W-Sn-Mo-Bi deposit is spatially related to the Qianlishan granite complex (QGC) in Hunan Province, China. However, age and classification of QGC are still debated, a better understanding temporal genetic relationship between essential. Here, we present chemical compositions intrusive phases results detailed zircon U-Pb dating muscovite Ar-Ar mineralized greisen vein. Our new laser ablation inductively coupled plasma mass spectrometry data constrain emplacement...

Rock thermal physical properties play a crucial role in understanding deep conditions, modeling the structure of lithosphere, and discovering evolutionary history sedimentary basins. Recent advancements geothermal exploration, particularly identification high-temperature resources Datong Basin, Shanxi, China, have opened new possibilities. This study aims to characterize rocks explore factors influencing conductivity basins hosting resources. A total 70 groups rock samples were collected...

Geothermal reinjection is a new method of geothermal development which can maintain regional reservoir pressure, and it conducive to the sustainable utilization heat. However, blockage has always been problem that restricts utilization, causing reservoirs, especially attenuation sandstone reservoirs. Considering an example typical in Binzhou, this study, situ fluids borehole cores were collected conduct automatic rotary reactor experiments under different temperature acidification conditions...

The Mangkang geothermal field, distributed in the Mediterranean–Himalayas belt, hosts abundant hot springs whose geneses remain unclear. To determine hydrochemical characteristics, reservoir temperature, circulation and recharge depths, water–rock interactions of water this study analyzed compositions isotopes (2H, 3H, 18O), conducted a PHREEQC simulation, established conceptual model to illustrate genesis resources field. Based on Meipu, Qvzika, Zulongpu villages Rumei town, following...

To evaluate the immunogenicity, safety, and immune persistence of sequential booster with recombinant protein-based COVID-19 vaccine (CHO cell) in healthy people aged 18-84 years.

The Huangshadong geothermal field (HGF), situated in the contact zone between Mesozoic granites and NE-striking dominant faults South China, has great potential. Petrogenesis of reservoir rock plays an important role understandings its genetic mechanism assessing However, due to lack sample at depth collected from reservoir, petrogenesis reservoirs HGF, remains enigma. This study elucidated petrogenetic characteristics these sampled directly ∼3,000 km their implications through zircon U-Pb...

Geothermal water is the product of deep circulation within crust, and understanding its hydrogeochemical process can provide effective information for integrated research on pattern formation mechanism. Based geothermal geological conditions Yanggao field, this study analyzed samples from thermal springs wells in ascertaining their hydrochemical components, along with hydrogen oxygen isotopes. Using methods like piper diagrams, ionic component ratio characterization, Na–K–Mg equilibrium...

The lithospheric thermal structure has a profound indicative significance for the potential evaluation and exploration of geothermal resources. Linyi field, located in southern section Yishu fault Shandong Province, boasts abundant However, its origin is still unclear. This study analyzed characteristics terrestrial heat flow using temperature logging wells measurements conductivity production. Combined with geophysical information Xiangshui (Jiangsu Province)-Mandula (Nei Mongol) geoscience...

High-temperature hydrothermal activity areas in western Sichuan Province, China are ideal objects for studying deep Earth science, extreme ecological environments, and comprehensive geothermal utilization. To understand the geochemical characteristics of rare elements (REEs) Chaluo hot springs authors analyzed composition fractionation REEs through hydrochemical analysis, REE tests, North American Shale Composite-normalized patterns. Moreover, complex species water area were determined...

Jinggangshan City, which is located in the southwestern part of Jiangxi Province, rich hot springs. However, lack geothermal studies has limited exploration and utilization resources this city. This study estimated terrestrial heat flow City through well logging analyses rock thermal conductivity production. Based on surrounding geoscience transect Crust 1.0 model, constructed a one-dimensional lithospheric structure by solving steady-state conduction equation. Furthermore, deep temperature...

Abstract The hydrogeochemical characteristics and isotopic analyses of geothermal water are effective in the genetic study a system. This systematically investigated geochemical compositions Qutan Reshuizhou fields. these two fields is HCO3 (·F)-Ca·Na type has undergone protracted runoff deep thermal cycle. Based on mineral-water solubility equilibrium, reservoir field temperature 60–74°C depth range 770–1003 m. been mixed with cold water, which accounts for 58% weight. 131-150°C 1953–2287...

Abstract Shell powder, a natural source product with excellent adsorption and antibacterial properties, has exhibited broad application prospect in daily life. Herein, low-temperature calcined shell powder (LCSP) high-temperature hydrated (HCSP) were prepared using shells as raw materials different calcination processes. The surface structures the chemical compositions analyzed specific areas pore size distributions measured. LCSP HCSP reserved unique layered porous of shell. main...

The Yanshan area is rich in geothermal resources. However, limited research has been done on the resources of intermountain basins area, which restrict exploration and development In this study, Yanheying Basin, a typical basin located eastern foothills Mountain, selected to perform comprehensive analysis regarding heat flow lithospheric thermal structure, have better understanding background resource utilization potential area. methods deep borehole temperature logging, rock sampling...

Metallogenic efficiency (ME), is the ratio of reserves a metal to its total amount in both deposits and alteration zones. We present new method for calculating ME on regional scale, based stream sediment geochemical anomalies. Given study area, MEs ore-forming elements should be weighted by their concentration factors, order quantitatively assess potential these generating economic deposits. Taking Shizhuyuan ore-field as case study, with greater exhibit ore-generating potentials....

Ascertaining regional radiogeochemical characteristics and lithospheric thermal structure is paramount for identifying the resource potential of hot dry rocks. This study conducted conductivity testing whole-rock analyses outcrop granites different formation epochs from Tengchong area. Moreover, combined with previously published data related to radioactive heat production rates, this geological, geophysical geothermal analyses. Key findings are: (1) Granites in area exhibit an average...

The Shizhuyuan ore field has three mineralized zones around the Qianlishan granite complex with a radius of ~6 km: W-Sn-Mo-Bi (inner zone), Pb-Zn (middle and Hg-Sb (outer zone). However, whether mineralization is genetically related to granites still debated. Here, we conducted in situ pyrite trace element analysis study combinations distributions. Bi concentration gradually decreases from inner zone outer zone, while Mn Sb contents show opposite trend. Pyrites each are distributed distinct...