摘要
陈永昌．ＤＤＬ-Ⅲ几种并下仪器的改进．测井技术，１９９５，１９（３）：２２９～２３２通过多年的使用，发现ＤＤＬ-Ⅲ的多路持水率仪和伽马仪等多种井下仪器经常出现同一故障。本文分析仪器在设计上的薄弱环节和引起这些故障的原因，并采取了一系列改进措施。
It has been found out that several kinds of DDL-Ⅲ downhole tools such as water holdup meter,gamma-ray tool,tracer flowermeter etc.often repeat the samefailures in different operations.Analysis is made of the shortcomings in tools design and the causes of the failures.Refinements for the above tools are given in thispaper.
出处
《测井技术》
CAS
CSCD
1995年第3期229-232,共4页
Well Logging Technology
关键词
生产测井
测井仪
故障
DDL-Ⅲ
production logging logging
tool tool failure
