High-Resolution Direct Push NMR Tools for Groundwater Investigations

IF 1.8 4区环境科学与生态学 Q3 WATER RESOURCES

Ground Water Monitoring and Remediation Pub Date : 2024-04-08 DOI:10.1111/gwmr.12645

Darya Morozov, David Walsh, Cristina McLaughlin, Anh Nguyen, Elliot Grunewald, Warren Caldwell, Daniel Pipp, Nicholas Basore, Thomas Christy and, Jorge Macedo

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Abstract

A small-diameter nuclear magnetic resonance (NMR) technology optimized for use with direct push (DP) and cone penetrometer test (CPT) drilling has been developed. The DP NMR tool can be deployed through 2.25-in. diameter DP and CPT drilling rods allowing high-resolution NMR logging measurements to be acquired during retraction of drill rods. DP NMR technology runs from a person-portable battery-powered control unit and provides significantly higher resolution in both the spatial (vertical) dimension and in the time domain of the NMR measurement than previously available NMR technology. In this study, we summarize the development of two different DP NMR tools and demonstrate their application at different sites within the United States. We believe that this technology can provide a leap forward in adoption of NMR technology for high-resolution hydrological and geophysical investigations in groundwater resources and environmental remediation applications.

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用于地下水调查的高分辨率直推核磁共振工具

我们开发出了一种小直径核磁共振 (NMR) 技术，该技术经过优化，可用于直推 (DP) 和锥入度测试 (CPT) 钻井。DP NMR 工具可通过直径为 2.25 英寸的 DP 和 CPT 钻杆进行部署，从而在钻杆回缩过程中获得高分辨率的 NMR 测井测量结果。DP NMR 技术由一个便携式电池供电的控制装置运行，在 NMR 测量的空间（垂直）维度和时域方面的分辨率都明显高于之前可用的 NMR 技术。在本研究中，我们总结了两种不同的 DP NMR 工具的开发情况，并演示了它们在美国不同地点的应用。我们相信，在地下水资源和环境修复应用中采用 NMR 技术进行高分辨率水文和地球物理调查方面，该技术将实现飞跃。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ground Water Monitoring and Remediation 环境科学-水资源

CiteScore

3.30

自引率

10.50%

发文量

审稿时长

>36 weeks

期刊介绍： Since its inception in 1981, Groundwater Monitoring & Remediation® has been a resource for researchers and practitioners in the field. It is a quarterly journal that offers the best in application oriented, peer-reviewed papers together with insightful articles from the practitioner''s perspective. Each issue features papers containing cutting-edge information on treatment technology, columns by industry experts, news briefs, and equipment news. GWMR plays a unique role in advancing the practice of the groundwater monitoring and remediation field by providing forward-thinking research with practical solutions.