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目前各油田所使用的电动扶正器都存在不同程度的缺点，河南油田测井公司对 ＤＤＬ－ Ⅲ、ＡＴ＋电动扶正器的电路部分和机械结构进行了改进。经过１９ 口井的现场测井应用证明，改善了仪器的稳定性、一致性和重复性，提高了环空测井成功率和资料优等率，收到了良好的使用效果。
At present, all the electric centralizers used in each oil field have some shortcomings. Logging companies in Henan Oilfield have improved the circuit parts and mechanical structure of DDL-Ⅲ and AT + electric centralizers. After 19 wells in the field of logging applications proved to improve the stability of the instrument, consistency and repeatability and improve the annular logging success rate and data rate, received good results.