测井用可恢复天线装置及系统

• 来源期刊: 国外测井技术
• 学科: 工学
• 关键词: 天线装置 可恢复 系统 井用 COIL 专利申请号 申请人 公开号
• 年，卷（期）: gwcjjs_2019,（4）
• 页码范围: 34-34
• 页数: 1页
• 分类号: TN92

摘要

专利申请号:EP18182195申请日:2014.03.11公开号:EP3404451A1公开日:2018.11.21申请人:CHINA NAT PETROLEUM CORP;OLIDEN TECH LLC;An apparatus includes a sub with recesses along an exterior wall to receive inserts, an antennae case including a coil surrounded by a sacrificial wear portion of a material through which signals between the coil and a formation of interest may pass. An eroded outer wall of the sacrificial wear portion is restorable by application of an uncured restorative material to the antennae case.