多种测温方法在青海共和干热岩GR1井中的应用
投稿时间:2020-05-27  修订日期:2020-10-13  点此下载全文
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作者单位E-mail
马哲民 山东省鲁南地质工程勘察院 ma00811873@163.com 
谭现锋 山东省鲁南地质工程勘察院 geotan1977@126.com 
中文摘要:干热岩钻孔温度是干热岩型地热资源评价的重要指标,然而随着干热岩钻孔深度和温度的增加,受钻孔内高温、高压的影响,现有钻孔测温技术已不能完全满足干热岩地层的钻孔测温要求。为此,本文利用干热岩GR1井采用BZM电子多点测温仪、MTCHT-H型测温仪以及多组温度计的方式进行了多种方法的单点测温,同时结合SKD-3000B井车测温、GRY-1型钻孔轨迹测量仪等多点连续测温方式进行对比分析,以提高干热岩地层钻孔测温的准确性和精确度,为干热岩型地热资源的勘探开发和资源量评价提供数据支持。
中文关键词:干热岩  青海共和  单点测温  多点连续测温
 
Application of various temperature measurement methods in dry hot rock GR1 well of Qinghai Gonghe
Abstract:Temperature is an important indicator for the evaluation of geothermal resources of dry hot rock type. However, with the increase of the depth and temperature of dry hot rock drilling, affected by the high temperature and high pressure, the well temperature measurement technology can no longer fully meet the requirements. This paper uses the dry hot rock GR1 well to adopt the BZM electronic multi-point thermometer, MTCHT-H thermometer and multiple groups of thermometers to perform a single-point temperature measurement in a variety of methods, combined with the SKD-3000B well truck Multi-point continuous temperature measurement methods and GRY-1 Borehole Inclinometer trajectory. Measuring methods are compared and analyzed to improve the accuracy and precision of borehole temperature measurement in dry and hot rock formations, and for the exploration and development of dry and hot rock geothermal resources and resource evaluation.
keywords:dry hot rock  Qinghai Republic  single-point temperature measurement  multi-point continuous temperature measurement.
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