怀4井新旧自动测氦仪比测分析  

Comparison of new and old automatic helium concentration measuring instruments in Huailai No.4 well

作　　者：张帆 杨竹转[1] 王江[3] ZHANG Fan;YANG Zhuzhuan;WANG Jiang(Institute of Geology,China Earthquake Administration,Beijing 100029,China;Zhangjiakou Seismic Station,Hebei Province 075000,China;Hebei Earthquake Agency,Shijiazhuang 050021,China)

机构地区：[1]中国地震局地质研究所,中国北京100029 [2]河北省地震局张家口中心台,中国河北075000 [3]河北省地震局监测网络中心,中国石家庄050021

出　　处：《地震地磁观测与研究》2021年第3期225-231,共7页Seismological and Geomagnetic Observation and Research

基　　金：国家重点研发计划(项目编号:2019YFC1509203)。

摘　　要：为验证新WGK-1型测氦仪在怀4井观测的可行性,在相同观测条件下,将新旧测氦仪串联并行观测,经动态稳定性、内在质量及观测曲线对比发现,新测氦仪能够捕捉到更多更完整的地下流体信息,观测数据日变化规则,动态特征明显,且2台测氦仪产出数据具有同步性变化特征。为进一步验证新旧测氦仪的相关性,与同台气温测项进行对比分析,发现2台测氦仪氦气测值与气温同时存在短期负相关变化。综合分析认为,新旧测氦仪产出观测数据真实可靠,均能反映怀4井地下流体中氦气的浓度变化。In order to verify the feasibility of the new WGK-1 helium concentration measuring instrument in Huailai No.4 well,observations by new and old helium instruments were carried out under the same observation conditions at the same time.Through the comparison of dynamic stability,internal quality and observation curve,we found that the new helium instrument can capture more complete underground fluid information,and the daily variation of its observation data and dynamic characteristics are obvious.In addition,it is found that the data observed by the new and old helium instruments change synchronously.To further verify the correlation between the new and old helium instruments,a comparison with the temperature item observations measured at HuaiLai Seismic Station was carried out.It is found that there is a short-term negative correlation between the helium values measured by the two instruments and the air temperature.The comprehensive result shows that the observation data of the new and old helium instruments are authentic and reliable,which can reflect the change of helium concentration in the underground fluid of Huailai No.4 well.

关 键 词：测氦仪 比测分析 相关性分析 怀4井 

分 类 号：P315.62[天文地球—地震学]