首页> 外文会议>Twenty-seventh workshop on geothermal reservoir engineering >TRACER LEAK OFF TESTS AS MEANS OF CHECKINGWELL INTEGRITY. APPLICATION TO PARIS BASINGEOTHERMAL PRODUCTION WELLS
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TRACER LEAK OFF TESTS AS MEANS OF CHECKINGWELL INTEGRITY. APPLICATION TO PARIS BASINGEOTHERMAL PRODUCTION WELLS

机译:跟踪器泄漏测试,作为Cheekkingwell完整性的一种手段。在巴黎基础热采井中的应用

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Exploitation of geothermal district heating systems,located most often in sensitive, densely populated,urban environments require thorough monitoring ofwell integrity.The latter is commonly controlled via casing caliperlogs and packer leak off tests, provided productionequipment, such as submersible pump sets anddownhole chemical injection lines, have beenpreviously removed.Tracers, or fresh water, either injected downhole orsqueezed from surface, production equipment in hole,may prove a feasible and cheaper alternative inassessing a reliable damage diagnosis.The present paper reviews the figures of merit ofcandidate tracers, radioactive isotopes ( 131 I, 82 Br,99m Tc), chemical (NaI, Li 2 CO3), fluorescent(Rhodamine WT), fresh water, and fieldimplementation protocols, based on selected ParisBasin case studies.Field achievements led to the selection of combined,short duration, squeeze of Lithium carbonate/freshwater slugs regarded as the most rewarding, routine,and cots effective procedure.
机译:开发地热区域供热系统, 最常位于敏感,人口稠密的地方, 城市环境需要全面监控 良好的诚信。 后者通常通过套管卡尺进行控制 日志和打包机泄漏测试,提供了生产 设备,例如潜水泵组和 井下化学注入线,已经 先前已删除。 示踪剂或淡水,注入井下或 从表面挤压,生产设备在孔中, 可能被证明是一种可行且更便宜的替代方案 评估可靠的损坏诊断。 本文件审查了以下方面的优值指标: 放射性示踪剂,放射性同位素(131 I,82 Br, 99m Tc),化学(NaI,Li 2 CO3),荧光 (若丹明WT),淡水和田野 实施协议,基于选定的巴黎 流域案例研究。 实地的成就导致了对合并的选择, 持续时间短,挤压碳酸锂/新鲜 水被认为是最有益,最常规的 和婴儿床的有效程序。

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