Reconstruction of different original water chemical compositions and estimation of reservoir temperature from mixed geothermal water using the method of integrated multicomponent geothermometry: A case study of the Gonghe Basin, northeastern Tibetan Plateau, China

Hou, Zhaoyun; Xu, Tianfu; Li, Shengtao; Jiang, Zhenjiao; Feng, Bo; Cao, Yuqing; Feng, Guanhong; Yuan, Yilong; Hu, Zixu

doi:10.1016/j.apgeochem.2019.104389

Cited by 25 publications

(7 citation statements)

References 20 publications

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“…Typically, it is difficult to measure specific values, and the reservoir temperature is mainly calculated using geochemical calorimeters. At present, the more common temperature scales include: SiO 2 temperature scale, cation temperature scale, isotope temperature scale and so on . The cation temperature scale mainly includes Na–K temperature scale, K–Mg temperature scale, Na–K–Ca temperature scale, and so on. , Giggenbach proposed a Na–K–Mg triangular diagram method based on two cationic geothermometers.…”

Section: Resultsmentioning

confidence: 99%

Study on the Genetic Mechanism of Carbonate Rock Type Hot Mineral Water─A Case Study of Diaozhen, Jinan

Hao,

Tang,

et al. 2024

ACS Omega

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Geothermal resources are one of the most valuable resources in renewable energy because of their advantages of green environmental protection, stability, and reliability. Carbonate rock type geothermal reservoirs have great research significance. Carbonate rock type geothermal resources are abundant in the Shandong area. In this paper, we take the carbonate-type geothermal reservoir in the Diaozhen area of Jinan City as the research object, analyze the regional geothermal geological conditions, and identify the geological structure. Through physical logging exploration, hydrochemical analysis, isotope testing, and drilling exploration, we reveal the geothermal genesis mechanism and construct the genetic model of the carbonate geothermal system. The results show that Diaozhen area belongs to a low-temperature geothermal field and weak open karst thermal reservoir and that the reservoir is mainly Ordovician Majiagou group limestone. The thermal insulation caprock is the overlying Quaternary and Neogene strata with a cumulative thickness of 1376 m. The results of geophysical exploration wells and drilling data verify that the Mingshui fracture is seen around 1630−1645m, and the diorite intrusion is seen at 1610m. The Mingshui fracture connects the deep and shallow aquifers and is a geothermal fluid migration channel. The geothermal water in the Diaozhen area is mainly from the recharge of atmospheric precipitation, with a rich ion content and easy enrichment of trace elements. The regional thermal reservoir is mainly recharged by the deep circulation lateral runoff of Ordovician karst water. After long-distance deep circulation migration, groundwater continuously absorbs heat from the surrounding rock and is heated to geothermal raw water in the deep part. Deep geothermal water rises along the water-conducting fracture and mixes with shallow cold water to form shallow, low-temperature geothermal water.

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Section: Resultsmentioning

confidence: 99%

Study on the Genetic Mechanism of Carbonate Rock Type Hot Mineral Water─A Case Study of Diaozhen, Jinan

Hao,

Tang,

et al. 2024

ACS Omega

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“…Compared with classical geothermometers, integrated multicomponent geothermometry (IMG) takes a suite of geochemical data observed from fluid analyses for temperature calculation. Therefore, if the process alters thermal fluid composition in a way that can be inferred and accounted for, then the deep reservoir can therefore be predicted more accurately by the IMG method (Xu et al, 2016;Hou et al, 2019).…”

Section: Integrated Multicomponent Geothermometry Approachmentioning

confidence: 99%

Improved Preproduction Conceptual‐Numerical Model of the Roosevelt Geothermal Field using Geological, Geochemical and Structural Information

Han

Yuan

et al. 2021

Acta Geologica Sinica (Eng)

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The Roosevelt Hot Springs Known Geothermal Resource Area (KGRA) is a Basin and Range-type geothermal resource, which is located in southwestern Utah. The integrated multicomponent geothermometry (IMG) approach is used to estimate the reservoir temperature at the Roosevelt Hot Springs KGRA. Geothermometric modeling results indicate the deep reservoir temperature is approximately 284.6°C. A conceptual model of the Roosevelt Hot Spring KGRA is provided through integrating the various pieces of exploration information, including the geological data, geothermometric results, temperature well log and field evidence. A two-dimensional cross-sectional model was thus built to quantitatively investigate the coupled thermal-hydraulic processes in the Roosevelt geothermal field. By matching the preproduction temperature log data of deep wells, parameters controlling flow and heat transport are identified. The method and model presented here may be useful for other geothermal fields with similar conditions.

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“…Cheng et al (2014Cheng et al ( , 2015 considered the connection between the approach angle, in-situ stress difference coefficient and fracture generation capacity and built a discrimination model of HFs penetrating any NFs in three-dimensional space. Moreover, based on the studies of Zhou et al (2010) and Taleghani et al (2011), Hou et al (2019) found that the occurrence of the NF and the approach angle are the main factors that affect the intersection behavior. Liu et al (2014) proposed a model to simulate the influence of an NF network on the propagation geometry of HFs in naturally fractured formations.…”

Section: Experiments and Analysis Of The Hydraulic Fracture Propagation Behaviors Of The Granite With Structural Planes In The Gonghe Basmentioning

confidence: 99%

Experiments and Analysis of the Hydraulic Fracture Propagation Behaviors of the Granite with Structural Planes in the Gonghe Basin

Xie

Wen

et al. 2021

Acta Geologica Sinica (Eng)

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Hydraulic fracture (HF) propagation behavior is significant when building enhanced geothermal systems (EGS). HF geometry is closely related to the structural planes (SPs) in hot dry rock (HDR), such as natural fractures (NFs), quartz veins (QVs) and lithologic interfaces (LIs). However, the HF behaviors in HDR have not been well understood, especially the influence of multiple SPs on the HF geometry. To clarify this mechanism, several groups of physical simulation experiments of hydraulic fracturing were conducted to investigate the intersection relationship between the HFs and the SPs. Results show that the HF geometry shows great differences when intersecting with different SPs. In summary, the HF geometry displays four basic patterns, namely, propagation along the SPs, branching, capture, penetration/non-dilation. The fluctuation degree of the pressure-time curve and the HF complexity show a positive correlation. The cementing strength of the SP and their different mechanical properties from rock matrix influence the HF behaviors significantly. Therefore, the HF shows diverse geometries when intersecting with the NFs and LIs, while propagating along the QV when intersecting with it. For the complex networks, it is favorable for the HF to penetrate through and dilate several SPs, rather than simply cross or propagate along the SP.

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Reconstruction of different original water chemical compositions and estimation of reservoir temperature from mixed geothermal water using the method of integrated multicomponent geothermometry: A case study of the Gonghe Basin, northeastern Tibetan Plateau, China

Cited by 25 publications

References 20 publications

Study on the Genetic Mechanism of Carbonate Rock Type Hot Mineral Water─A Case Study of Diaozhen, Jinan

Study on the Genetic Mechanism of Carbonate Rock Type Hot Mineral Water─A Case Study of Diaozhen, Jinan

Improved Preproduction Conceptual‐Numerical Model of the Roosevelt Geothermal Field using Geological, Geochemical and Structural Information

Experiments and Analysis of the Hydraulic Fracture Propagation Behaviors of the Granite with Structural Planes in the Gonghe Basin

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