| 怀4井气体取样对水位观测干扰的解决措施 |
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| 引用本文： | 张帆,宋晓煜,陈其峰,王锐锋,王志敏,程德庆.怀4井气体取样对水位观测干扰的解决措施[J].地震地磁观测与研究,2021,42(5):158-165. |
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| 作者姓名： | 张帆 宋晓煜 陈其峰 王锐锋 王志敏 程德庆 |
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| 作者单位： | 1.中国河北 075000 张家口地震监测中心站;2.中国山东 252000 山东省聊城地震水化站 |
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| 基金项目： | 2021年河北省地震科技星火计划青年项目（项目编号：DZ202108090118） |
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| 摘 要： | 怀4井水位观测一直存在取气样所造成的干扰，其表现为水位分钟值曲线每天出现有规律的向上脉冲式突跳且持续时间较长，这使得数据连续率及完整率降低。为改变怀4井长期存在的取气样影响水位观测的现状，减少水位观测数据突跳次数，提高观测质量精度，针对取气样方式进行改进，采用球胆排水真空脱气法进行溶解气样品的采集与脱气，避开直接在泄流口采样时的压力效应，从而解决了水位观测中遇到的实际问题。
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| 关 键 词： | 球胆排水真空脱气法 水位干扰 气体取样 怀4井 |
Measures to solve the disturbance of sampling to water level observation in Huailai No.4 Well |
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| ZHANG Fan,SONG Xiaoyu,CHEN Qifeng,WANG Ruifeng,WANG Zhimin,CHENG Deqing.Measures to solve the disturbance of sampling to water level observation in Huailai No.4 Well[J].Seismological and Geomagnetic Observation and Research,2021,42(5):158-165. |
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| Authors: | ZHANG Fan SONG Xiaoyu CHEN Qifeng WANG Ruifeng WANG Zhimin CHENG Deqing |
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| Institution: | 1.Zhangjiakou Earthquake Monitoring Center Station, Hebei Province 075000, China;2.Liaocheng Seismo-hydrochemistry Station, Shandong Province 252000, China |
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| Abstract: | There has always been interference of artificial gas sampling in the dynamic water level observation of Huailai No.4 Well, which appears as regular upward pulses with a long duration in everyday minute sampled water level observation. Therefore, the continuity rate and integrity rate of the observation are reduced. In order to solve the problem of water level observation disturbance by long-term gas sampling in Huailai No.4 Well, reduce the number of sudden jumps of water level observation data, and improve the observation quality, we improved the method of gas sampling. The balloon drainage vacuum degassing method of gas sampling is adopted to collect and degas dissolved gas samples, avoiding the pressure effect when sampling directly at the discharge port, so as to solve the practical problems in water level observation. |
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| Keywords: | balloon drainage vacuum degassing method water level interference gas sampling Huailai No 4 Well |
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