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ddl- ji zhong jing xia yi qi de gai jin
Author(s): 
Pages: 229-232
Year: Issue:  3
Journal: Well Logging Technology

Keyword:  DDL-Ⅲproduction logging loggingtool tool failure;
Abstract: 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。
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