在土壤气体调查中区分钻井引起的人工产物和自然产生的氢：来自亚圆形凹陷的见解

IF 8.3 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-02-17 DOI:10.1016/j.ijhydene.2025.02.094

Krista Davies , Raphael Josse , Emanuelle Frery , Lionel Esteban , Alireza Keshavarz , Stefan Iglauer

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引用次数: 0

摘要

天然氢正在成为一种有前景的低碳能源。然而，由于难以区分自然产生的氢气和钻井产生的人工产物，因此检测仍然具有挑战性。这一挑战在亚圆形凹陷（scd）中尤为明显，这通常是勘探的重点。本研究探讨了scd在土壤性质中是否表现出一致的面积模式，以及它们如何影响土壤气体调查中钻井引起的氢伪影。在西澳大利亚的Yilgarn克拉通和珀斯盆地测量了24个scd的土壤特性。总共钻了83个孔进行氢土壤气体分析，在没有重复钻孔的情况下进行了重复测量。在85%的地点（主要是在高强度、低湿度的土壤中），钻探引起的氢人工产物的测量值高达464 ppm，而只有15%的地点代表天然存在的氢。土壤性质的一致模式与人工制品的产生有关。精细的采样技术，包括重复测量和扩展土壤性质分析，对于区分真正的氢气渗漏和人工制品，提高勘探精度至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Distinguishing drilling-induced artifacts from naturally occurring hydrogen in soil gas surveys: Insights from sub-circular depressions

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Distinguishing drilling-induced artifacts from naturally occurring hydrogen in soil gas surveys: Insights from sub-circular depressions

Natural hydrogen is emerging as a promising low-carbon energy source. However, its detection remains challenging due to the difficulty of distinguishing naturally occurring hydrogen from drilling-induced artifacts. This challenge is particularly evident in sub-circular depressions (SCDs), which are often the focus of exploration. This study investigates whether SCDs exhibit consistent areal patterns in soil properties and how they influence drilling-induced hydrogen artifacts in soil gas surveys.

Soil properties were measured across 24 SCDs in the Yilgarn Craton and Perth Basin, Western Australia. In total, 83 holes were drilled for hydrogen soil gas analysis, with repeated measurements performed without redrilling. Drilling induced hydrogen artifacts were measured at up to 464 ppm in 85% of locations, primarily in high-strength, low-moisture soils, while only 15% represented naturally occurring hydrogen. Consistent patterns in soil properties correlated with artifact generation.

Refined sampling techniques, including repeated measurements and expanded soil property analysis, are essential for distinguishing genuine hydrogen seepage from artifacts, enhancing exploration accuracy.

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.