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德克萨斯州自由县弗里奥组含盐卤水组二氧化碳地质封存环境评价中试ENVIRONMENTAL ASSESSMENT PILOT EXPERIMENT FOR GEOLOGICAL SEQUESTRATIO 德克萨斯州自由县弗里奥组含盐卤水组二氧化碳地质封存环境评价中试ENVIRONMENTAL ASSESSMENT PILOT EXPERIMENT FOR GEOLOGICAL SEQUESTRATIO

德克萨斯州自由县弗里奥组含盐卤水组二氧化碳地质封存环境评价中试ENVIRONMENTAL ASSESSMENT PILOT EXPERIMENT FOR GEOLOGICAL SEQUESTRATIO

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能源部准备了这个EA来分析提议的行动可能产生的环境影响。贝格提出的试验将建立在一个油田的地下岩土特征的历史数据上，并将使用德克萨斯州利伯提县南利伯提油田现有的基础设施来支持试验。在现有的一个井位上，贝格公司将在60天内把二氧化碳注入德克萨斯州墨西哥湾沿岸Frio组含盐砂岩中。现有的两口井将进行升级，对注入二氧化碳的行为进行长达1年的监测，得到的数据将用于改进预测盐水地层注入二氧化碳行为的模型。现场试验将有以下目标:(1)证明二氧化碳可以注入卤水地层，而不会对健康、安全或环境造成不利影响;(2)确定注入CO2的地下位置和分布;(3)对预测CO2行为的计算机模型有一定的了解;(4)演示盐水注入CO2的监测方法;(5)建立用于考虑地质封存机会的知识库。

DOE prepared this EA to analyze the potential environmental effects that would result from the proposed action. The test proposed by BEG would build on historical data covering subsurface geotechnical characteristics for an operating oil field and would use existing infrastructure of the South Liberty oil field in Liberty County, Texas, to support the experiment. At an existing well site, BEG would inject CO2 over a time period of less than 60 days into a brine-bearing sandstone of the Frio Formation in the Gulf Coast of Texas. Two existing wells would be upgraded to monitor the behavior of the injected CO2 for up to 1 year, and the resulting data would be used to enhance models for predicting the behavior of CO2 injected into brine formations. The field test would have the following objectives: (1) demonstrate that CO2 can be injected into a brine formation without adverse health, safety, or environmental effects; (2) determine the subsurface location and distribution of the injected CO2; (3) demonstrate an understanding of computer models for predicting CO2 behavior; (4) demonstrate methods for monitoring of CO2 injected into brine formations; and (5) establish a knowledge base for use in considering geological sequestration opportunities.

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