ANR - Environmental baseline conditions for impact assessment of unconventional gas exploitation: advancing geochemical tracer and monitoring techniques

ANR - 非常规天然气开采影响评估的环境基线条件：先进的地球化学示踪剂和监测技术

• 批准号: 463605-2014
• 负责人: Mayer, Bernhard
• 金额: $ 12.5万
• 依托单位: University of Calgary
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=577085
• 关键词: ANR; Environmental; baseline; conditions; impact

The recent expansion of the unconventional gas industry in North America and its potential advent in Europe has generated public concern regarding the protection of groundwater and surface water resources from contamination by stray gas, saline formation water and fracturing chemicals. A major scientific challenge and an indispensible prerequisite for environmental impact assessment in the context of unconventional gas development is the determination of the non-impacted baseline conditions against which potential environmental impacts on shallow water resources can be accurately and quantitatively tested. The objective of this Franco-Canadian NSERC-ANR project is to develop an innovative and comprehensive methodology of geochemical and isotopic characterization of the environmental baseline for water and gas samples from all three essential zones: (1) the production zone, including flowback waters, (2) the intermediate zone comprised of overlying formations, and (3) shallow aquifers and surface water systems where contamination may result from diverse natural or other human impacts. The outcome will be the establishment of a methodology based on innovative tracer and monitoring techniques for detecting and quantifying and modeling stray gas and leakage of saline formation water mixed onto flowback fluids into fresh groundwater resources and surface waters taking into account the mechanisms of fluid and gas migration. The new knowledge derived from this project will be of critical importance for ensuring the environmentally acceptable development of unconventional energy resources in Canada and Europe. Decision support and recommendations for stakeholders on meaningful baseline and monitoring programs in the context of unconventional energy ressources will be provided as final deliverable.

最近北美非常规天然气行业的扩张及其在欧洲的潜在出现引起了公众对保护地下水和地表水资源免受杂散气体、盐水地层水和压裂化学品污染的关注。非常规天然气开发环境影响评价的一个重大科学挑战和不可或缺的前提是确定不受影响的基线条件，以便准确、定量地测试对浅水资源的潜在环境影响。该法国-加拿大 NSERC-ANR 项目的目标是开发一种创新且全面的方法，对来自所有国家的水和气体样品的环境基线进行地球化学和同位素表征。 三个基本区域：(1) 生产区域，包括回流水；(2) 由上覆地层组成的中间区域；(3) 浅层含水层和地表水系统，这些区域的污染可能因各种自然或其他人类影响而造成。其成果将是建立一种基于创新示踪剂和监测技术的方法，用于检测、量化和模拟杂散气体以及混合到回流流体中进入淡水资源和地表水的含盐地层水的泄漏，同时考虑流体和气体运移的机制。从该项目中获得的新知识对于确保加拿大和欧洲非常规能源资源的环境可接受的开发至关重要。决策支持和建议 非常规能源背景下的有意义的基线和监测计划的利益攸关方将作为最终交付成果提供。