Geochemical Characteristics of Helium in Natural Gas From the Daniudi Gas Field, Ordos Basin, Central China

Liu, Quanyou; Wu, Xiaoqi; Jia, Huichong; Ni, Chunhua; Zhu, Jing; Jiujun, Miao; Zhu, Dongya; Meng, Qingqiang; Peng, Weilong; Xu, Huiyuan

doi:10.3389/feart.2022.823308

Cited by 12 publications

(6 citation statements)

References 46 publications

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“…In addition to hydrocarbon gases, nitrogen and carbon dioxide play an important role in the extraction of helium. However, previous studies showed that the concentration of nitrogen and carbon dioxide in the natural gas of the Ordos Basin is very low, and the test results of this paper further verified this phenomenon [41]. Therefore, the extraction of helium by nitrogen and carbon dioxide in this area is very limited.…”

Section: Implications For the Helium Accumulation Mechanismsupporting

confidence: 63%

“…Usually, the helium isotope ratio can be used to determine whether there is a mixture of mantle-derived fluids. A large number of previous test results showed that the helium isotope ratio in the Ordos Basin suggests a typical crustal source for helium [14,41]. No mantle-derived fluid was found in the basin; so, a deep source of hydrogen can be excluded.…”

Section: Implications For the Helium Accumulation Mechanismmentioning

confidence: 98%

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High-Spatial-Resolution Helium Detection and Its Implications for Helium Accumulation Mechanisms

Lu,

Wang,

Zhu

et al. 2024

Applied Sciences

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Helium is a scarce strategic resource. Currently, all economically valuable helium resources are found in natural gas reservoirs. Owing to helium’s different formation and migration processes compared to natural gas’s, the traditional method of collecting wellhead gas to detect helium concentration may miss helium-rich layers in the vertical direction, which will not only cause the waste of helium resources, but also restrict the study of helium migration and accumulation mechanisms. To solve this problem, we designed a helium detector based on a quadrupole mass spectrometer. Through the combination of different inlet valves, we avoided gas mixing between different vertical layers during the inlet process and realized high-spatial-resolution helium concentration detection. We applied the helium detector to the Dongsheng gas field in the northern Ordos Basin, and the instrumental detection results were consistent with the laboratory analysis results of the wellhead gas, which demonstrated the stability of the helium detector in the field environment and the reliability of the data. Meanwhile, the results showed that the distribution of helium in the plane is highly heterogeneous, and the natural gas dessert layers and the helium dessert layers do not coincide in the vertical direction. In addition, we found a good correlation between helium and hydrogen concentrations. Combining our results with previous data, we propose a hydrogen–helium migration and accumulation model, which enriches the understanding of helium accumulation mechanisms and provides a basis for future helium resource exploration.

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Section: Implications For the Helium Accumulation Mechanismsupporting

confidence: 63%

Section: Implications For the Helium Accumulation Mechanismmentioning

confidence: 98%

High-Spatial-Resolution Helium Detection and Its Implications for Helium Accumulation Mechanisms

Lu,

Wang,

Zhu

et al. 2024

Applied Sciences

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“…Location of the Daniudi gas field in the Ordos Basin in central China (a) and stratigraphic column of the Paleozoic strata (b) (modified after Liu et al, 2022). …”

Section: Geological Settingmentioning

confidence: 99%

Geochemical characteristics and their implication of light hydrocarbons in natural gas from the Lower Paleozoic carbonate reservoirs in the Daniudi gas field, Ordos Basin

Wang

et al. 2023

Energy Exploration & Exploitation

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The genetic types and source of the Lower Paleozoic natural gas in the Ordos Basin in China are controversial, and the geochemical characteristics of light hydrocarbons of natural gas in the fifth member of the Ordovician Majiagou Formation (O1m5) are studied by taking the Daniudi gas field as an example, in order to reveal the gas origin and source. The C5−7 light hydrocarbons are dominated by iso-alkanes rather than the n-alkanes, and the methyl cyclohexane (MCH) content is mostly higher than the nC7 content in C7 light hydrocarbons. The K1 and K2 values range from 1.06 to 1.16 and from 0.33 to 0.81, respectively. The geochemical characteristics of light hydrocarbons indicate that the Lower Paleozoic natural gas in the Daniudi gas field is mainly coal-derived gas which has been generated by the humic source rocks in the Upper Carboniferous Taiyuan Formation (C3t), with insignificant contribution by the O1m sapropelic source rocks. The O1m5 gas pools were accumulated through downward and lateral migration in the free phase. The aromatic contents in C6-7 and nC7/MCH ratios are easily affected by the factors such as water solubilization, adsorption in migration, evaporation, and migration fractionation, therefore, secondary alteration needs to be considered when using these parameters to identify the gas origin.

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“…Because of its unique physical and chemical properties, He is widely used in aerospace, information technology, and cryogenic science applications, among others. Helium is relatively scarce, yet it is regarded as an irreplaceable, crucial, and strategic resource; as a result, it has earned a reputation as the ‘gold gas’ (Chen et al, 2021; Liu et al, 2022; Steven, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…science applications, among others. Helium is relatively scarce, yet it is regarded as an irreplaceable, crucial, and strategic resource; as a result, it has earned a reputation as the 'gold gas' (Chen et al, 2021;Liu et al, 2022;Steven, 2018).…”

mentioning

confidence: 99%

Mechanisms of helium differential enrichment and helium‐nitrogen coupling: A case study from the Weiyuan and Anyue gas fields, Sichuan Basin, China

Zhao,

Wang,

Liu

et al. 2023

Geological Journal

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The helium (He) contents of the Weiyuan and Anyue gas fields in the Sichuan Basin (China) differ significantly despite their similar helium‐nitrogen (N2) coupling characteristics, that is, the positive correlation between the N2 and He contents, and the negative correlation between the nitrogen/helium (N2/He) ratio and depth. To determine the factors influencing the differential enrichment of He resources and He–N2 coupling in the Weiyuan and Anyue gas fields, this study analysed the compositions of natural gases within the study area and established a computational model for evaluating the dissolution and exsolution amount of He and N2 in the pore water. The results indicated that: the uplift of the basement granite was crucial for the exsolution and enrichment of dissolved helium, and it was also the main reason for He–N2 coupling. The differential uplift that occurred in the Leshan–Longnvsi palaeo‐uplift during the Himalayan period further promoted the differential enrichment of He resources, thus also impacting the N2/He ratio in the study area. The distinct quantities of N2 and He exsolution during the uplift directly affected the negative correlation between the N2/He ratio and the depth. Within the same depth range of the uplift, the average and variations of the N2/He ratio in the crust‐derived helium‐rich natural gas reservoir were inversely proportional to the in situ molar partial pressure of He. The uplift of the crystalline basement is an important mechanism that causes the enrichment of helium resources and the coupling of helium‐nitrogen in the crust‐derived helium‐rich natural gas reservoir, which is of great significance for understanding the variation of N2/He ratio and exploration of He resources.

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Geochemical Characteristics of Helium in Natural Gas From the Daniudi Gas Field, Ordos Basin, Central China

Cited by 12 publications

References 46 publications

High-Spatial-Resolution Helium Detection and Its Implications for Helium Accumulation Mechanisms

High-Spatial-Resolution Helium Detection and Its Implications for Helium Accumulation Mechanisms

Geochemical characteristics and their implication of light hydrocarbons in natural gas from the Lower Paleozoic carbonate reservoirs in the Daniudi gas field, Ordos Basin

Mechanisms of helium differential enrichment and helium‐nitrogen coupling: A case study from the Weiyuan and Anyue gas fields, Sichuan Basin, China

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