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SL1418声波变密度测井仪是一种用于测量固井质量的测井仪器。通过分析,该仪器主要存在地层波强弱不明显、变密度曲线和地层对应性不好、M0B模块缺乏且稳定性差、自然伽马重复性能差的问题。通过分析及改进,解决了仪器存在的问题,使得该仪器电子线路集成化程度高,提高了仪器的可靠性,且维修方便。经车间刻度、试验井校验,并上井进行了测井资料对比,仪器的技术指标完全符合测井仪器“三性一化”的标准。
The SL1418 Acoustic Density Density Logging Tool is a logging tool used to measure well cementing quality. Through the analysis, the instrument mainly has the problems that the stratigraphic wave intensity is not obvious, the variable density curve and the formation correspondence are not good, the M0B module is lacking, the stability is poor, and the gamma ray repeatability is poor. Through the analysis and improvement, the problems existing in the instrument are solved, the integration degree of the electronic circuit of the instrument is high, the reliability of the instrument is improved, and the maintenance is convenient. After the workshop scale, test well calibration, and well logging data comparison, the instrument’s technical indicators in full compliance with the logging instrument “three of a” standard.