挪威大西洋边缘中生代次玄武岩油气勘探面临的挑战与机遇

IF 1.9 4区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY
Ben A. Kilhams, Lauren Chedburn, Lucinda K. Layfield, N. Schofield, Ingelin Løkling Lunde, L. Kennan, Hollie G. Romain, D. Jolley, C. Eide
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引用次数: 1

摘要

挪威大陆架的亚玄武岩域是欧洲仅存的油气勘探边界之一。虽然有一个既定的地质和构造框架,但很少有关于剩余碳氢化合物勘探风险/不确定性的出版物。与法罗-设得兰盆地和罗卡尔海槽不同,在撰写本文时,挪威大陆架上目前没有工业钻探的亚玄武岩井穿透。NCS上存在许多潜在的中生代亚玄武岩油气藏,但由于缺乏工业钻探的亚玄武岩穿透,存在很大的勘探风险。通过使用跨境类似物、盆地建模工作流程和可用地震数据的集成,概述了整个NCS的主要不确定性,包括装药时间、结构定义和储层存在的细节。一般来说,晚白垩世和中侏罗纪层段是挪威边缘可能存在的潜在区块。然而,它们的深度和保存仍存在相当大的不确定性。尽管仍然存在重大挑战和不确定性,但作者认为,综合井结果、考虑盆地建模驱动的热流估计和新的3D地震数据,可能会为NCS的新勘探前沿开辟亚玄武岩的机会。专题集:本文是UKCS大西洋边缘系列中勘探和开发的新学习的一部分,可在以下网站上获得:https://www.lyellcollection.org/topic/collections/new-learning-from-exploration-and-development-in-the-ukcs-atlantic-margin
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Challenges and opportunities for hydrocarbon exploration within the Mesozoic sub-basalt plays of the Norwegian Atlantic Margin
The sub-basalt domain of the Norwegian continental shelf (NCS) is one of the last remaining hydrocarbon exploration frontiers in Europe. While there is an established geological and tectonic framework, little has been published that addresses the remaining hydrocarbon exploration risks/uncertainties. Unlike the Faroe Shetland Basin and Rockall Trough, at the time of writing, there are currently no industry-drilled sub-basalt well penetrations on the Norwegian continental shelf. Numerous potential Mesozoic sub-basalt hydrocarbon plays exist on the NCS but, due to the lack of industry-drilled sub-basalt penetrations, there is a perceived large exploration risk. By using cross-border analogues, basin modelling workflows and integration of available seismic data the main uncertainties across the NCS are outlined including charge timing, structural definition, and details of reservoir presence. Generically the Late Cretaceous and Middle Jurassic intervals are potential plays which may be present on the Norwegian Margin. However, there is considerable uncertainty on their depth and preservation. Although significant challenges and uncertainties remain, the authors believe that the integration of well results, consideration of basin modelling driven heat flow estimates and new 3D seismic data may open sub-basalt opportunities for a new exploration frontier on the NCS. Thematic collection: This article is part of the New learning from exploration and development in the UKCS Atlantic Margin collection available at: https://www.lyellcollection.org/topic/collections/new-learning-from-exploration-and-development-in-the-ukcs-atlantic-margin
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来源期刊
Petroleum Geoscience
Petroleum Geoscience 地学-地球科学综合
CiteScore
4.80
自引率
11.80%
发文量
28
审稿时长
>12 weeks
期刊介绍: Petroleum Geoscience is the international journal of geoenergy and applied earth science, and is co-owned by the Geological Society of London and the European Association of Geoscientists and Engineers (EAGE). Petroleum Geoscience transcends disciplinary boundaries and publishes a balanced mix of articles covering exploration, exploitation, appraisal, development and enhancement of sub-surface hydrocarbon resources and carbon repositories. The integration of disciplines in an applied context, whether for fluid production, carbon storage or related geoenergy applications, is a particular strength of the journal. Articles on enhancing exploration efficiency, lowering technological and environmental risk, and improving hydrocarbon recovery communicate the latest developments in sub-surface geoscience to a wide readership. Petroleum Geoscience provides a multidisciplinary forum for those engaged in the science and technology of the rock-related sub-surface disciplines. The journal reaches some 8000 individual subscribers, and a further 1100 institutional subscriptions provide global access to readers including geologists, geophysicists, petroleum and reservoir engineers, petrophysicists and geochemists in both academia and industry. The journal aims to share knowledge of reservoir geoscience and to reflect the international nature of its development.
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