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专利申请号:CN201210298981.3公开号:CN102839965A申请日:2012.08.21公开日:2012.12.26申请人:中国海洋石油总公司;中海油田服务股份有限公司本发明公开了一种用于核磁共振测井仪的信号处理装置,克服目前核磁共振信号容易在探头和电路连接的部位进入干扰而失真的缺陷。该装置嵌入在核磁共振测井仪的探头中,该装置包括隔离电路、前置放大电路以及采集处
Patent CN201210298981 Publication number CN102839965A Date of application: 2012.08.21 Date of disclosure: 2012.12.26 Applicant: China National Offshore Oil Corp. CNOOC Field Service Co., Ltd. The present invention discloses a method for nuclear magnetic resonance logging Instrument signal processing device to overcome the current nuclear magnetic resonance signals easily connected to the probe and the circuit into the interference distortion and defects. The device is embedded in the probe of the nuclear magnetic resonance logging tool, which includes an isolation circuit, a preamplifier circuit and an acquisition