发明名称 DOWNHOLE TOOL DAMAGE DETECTION SYSTEM AND METHOD
摘要 A downhole tool damage detection method includes, transmitting ultrasonic energy through a downhole tool, receiving ultrasonic energy transmitting through the downhole tool, monitoring the received ultrasonic energy for changes over time, and alerting that damage in the downhole tool may exist in response to finding the changes.
申请公布号 WO2009079631(A3) 申请公布日期 2009.09.24
申请号 WO2008US87463 申请日期 2008.12.18
申请人 BAKER HUGHES INCORPORATED;RECHMANN, HANNO 发明人 RECHMANN, HANNO
分类号 E21B47/01;G01N29/00 主分类号 E21B47/01
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