USE OF SAFRANIN T AS A REACTIVE TRACER FOR GEOTHERMAL RESERVOIR CHARACTERIZATION
USE OF SAFRANIN T AS A REACTIVE TRACER FOR GEOTHERMAL RESERVOIR CHARACTERIZATION
复制标题
使用番红 T 作为反应示踪剂进行地热储层表征
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
P. Rose
中科院分区：
文献类型：
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作者：
K. Leecaster;B. Ayling;G. Moffitt;P. Rose
我们的实验室正在研究和测试具有适当热稳定性和反应性的示踪剂，这些示踪剂可以帮助地热能生产商评估注入井和生产井之间的可用表面积。溶质在矿物表面的吸附(部分)是系统中发生多少表面积/流体相互作用和岩石温度的函数。顺序示踪剂突破曲线可以提供一种工具来指示可用表面积和岩石温度剖面的变化。研究结果表明，使用与地质介质表面相互作用(即吸附)的示踪剂如何有助于改进对可用有效热传递面积的估计。用荧光染料藏红T通过不同粒度的渥太华砂介质进行的一系列高温可混相驱替实验表明，反应性示踪剂相对于保守示踪剂的延迟与流体遇到的表面积大小之间的关系。给出了温度对介质延迟效应的影响。
Our lab is investigating and testing tracers that have appropriate thermal stability and reactivity that can help geothermal energy producers to assess the surface area available between injection and production wells. Adsorption of solutes onto mineral surfaces is a function (in part) of how much surface area/fluid interaction occurs in a system and the rock temperature. Sequential tracer breakthrough curves may provide a tool to indicate changes in available surface area and rock temperature profiles. Research results are presented that show how the use of tracers that interact (i.e. sorb) with the surface of the geomedia can help to refine the estimation of the available effective heat transfer area. A series of high temperature miscible displacement experiments with the fluorescent dye, safranin T, through media with different size fractions of Ottawa sand demonstrates the relationship between the retardation of a reactive tracer relative to a conservative tracer and the amount of surface area that the fluid encounters. Temperature effects on the retardation through the media are presented.