| 刘树键,陈德华,曹雪砷,陈浩.偶极子声波测井仪发射声系性能快速检测方法*[J].,2022,41(2):285-292 |
| 偶极子声波测井仪发射声系性能快速检测方法* |
| A rapid detection method for emission system performance of dipole sonic logging tool |
| 投稿时间：2021-03-15 修订日期：2022-03-02 |
| 中文摘要: |
| 本文提出了一种针对偶极子声波测井仪发射声系性能进行快速检测的方法。通过实验测量方法,采用专门设计的简易装置测量偶极子声波测井仪发射声系激发的声场波形,并提取声场强度、声源主频以及空间分布对称性等特征参数。如果准确掌握了仪器处于完好状态时的这些特征参数,以此为参考依据与实验测量结果进行对比,通过设定可接受的相对偏差,就可完成对偶极子声波测井仪发射声系性能的快速评价。相对于现有的声波测井仪器检测方法,该方法具有高效、便捷的优势,便于在测井前线基地应用。 |
| 英文摘要: |
| This paper proposes a rapid detection method for the performance of the emission system of dipole sonic logging tool. Through experimental measurement, the sound field excited by the emission system of dipole sonic logging tool is measured by acquisition device specially designed, and some characteristic parameters such as intensity, dominant frequency and spatial distribution symmetry are extracted. If these characteristic parameters when the dipole sonic logging tool is in good condition are accurately mastered and used as references, a rapid evaluation of the emission performance of the tool can be achieved by comparing references with experimental measurements. Compared with the existing dipole sonic logging tool detection methods, this method has the advantages of high efficiency and convenience, and is easy to be applied in the logging site. |
| DOI：10.11684/j.issn.1000-310X.2022.02.015 |
| 中文关键词: 偶极子声源 发射声系 横波远探测 仪器检测 |
| 英文关键词: dipole source sonic emission system dipole shear-wave imaging instrument test |
| 基金项目:国家自然科学基金项目(11734017, 42074174) ，北京市科委资助项目（Z181100003618001） |
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