Multiple phase rifting and subsequent inversion in the West Netherlands Basin: implications for geothermal reservoir characterization

IF 3.2 2区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS
Solid Earth Pub Date : 2024-02-05 DOI:10.5194/se-15-121-2024
Annelotte Weert, Kei Ogata, Francesco Vinci, Coen Leo, Giovanni Bertotti, Jerome Amory, Stefano Tavani
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Abstract

Abstract. Aiming to contribute to the energy transition, this study provides an integrated picture of the geothermal system hosted in the West Netherlands Basin and shows how the reconstruction of the basin's geological history can contribute to the correct exploration and exploitation of its geothermal resources. In the West Netherlands Basin, the main geothermal targets are found in the Cretaceous and Jurassic strata that were deposited during the rifting and post-rifting stages and were deformed during the subsequent basin inversion. Despite multiple studies on the tectonic setting, the timing and tectono-stratigraphic architecture of the rift system and its overall control on the development and evolution of geothermal systems are still to be fully deciphered. In this study, a detailed seismo-stratigraphic interpretation of the syn- and post-rift intervals in the West Netherlands Basin will be given within the framework of geothermal exploration. A recently released and reprocessed 3D seismic cube is used, covering a large portion of the onshore section of the basin. We identified two major Jurassic rifting episodes and a Late Cretaceous inversion event. During the Jurassic rifting phases, the compartmentalization of the basin and the creation of accommodation space led to the deposition of the Late Jurassic Nieuwerkerk Formation, which is the main regional geothermal producing target. Within this formation, we individuate growth synclines located in the central portions of the Jurassic half-grabens as sites that show good potential for geothermal exploration.
西荷兰盆地的多相断裂和随后的反演:对地热储层特征描述的影响
摘要为了促进能源转型,本研究提供了西荷兰盆地地热系统的综合情况,并说明了重建盆地地质历史如何有助于正确勘探和开发地热资源。西荷兰盆地的主要地热目标位于白垩纪和侏罗纪地层,这些地层沉积于断裂和断裂后阶段,并在随后的盆地反转过程中发生变形。尽管对构造环境进行了多项研究,但裂谷系统的时间和构造地层结构及其对地热系统发展和演化的总体控制仍有待全面破解。本研究将在地热勘探的框架内,对荷兰西部盆地的同步和后断裂带进行详细的地震-地层解释。研究使用了最近发布并重新处理的三维地震立方体,覆盖了盆地陆上部分的大部分区域。我们确定了两次主要的侏罗纪断裂事件和一次白垩纪晚期的反转事件。在侏罗纪断裂阶段,盆地的分隔和容纳空间的形成导致了晚侏罗世 Nieuwerkerk 地层的沉积,该地层是区域地热生产的主要目标。在这一地层中,我们将位于侏罗纪半堑壕中心部分的生长突岩作为显示良好地热勘探潜力的地点。
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来源期刊
Solid Earth
Solid Earth GEOCHEMISTRY & GEOPHYSICS-
CiteScore
6.90
自引率
8.80%
发文量
78
审稿时长
4.5 months
期刊介绍: Solid Earth (SE) is a not-for-profit journal that publishes multidisciplinary research on the composition, structure, dynamics of the Earth from the surface to the deep interior at all spatial and temporal scales. The journal invites contributions encompassing observational, experimental, and theoretical investigations in the form of short communications, research articles, method articles, review articles, and discussion and commentaries on all aspects of the solid Earth (for details see manuscript types). Being interdisciplinary in scope, SE covers the following disciplines: geochemistry, mineralogy, petrology, volcanology; geodesy and gravity; geodynamics: numerical and analogue modeling of geoprocesses; geoelectrics and electromagnetics; geomagnetism; geomorphology, morphotectonics, and paleoseismology; rock physics; seismics and seismology; critical zone science (Earth''s permeable near-surface layer); stratigraphy, sedimentology, and palaeontology; rock deformation, structural geology, and tectonics.
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