The invention discloses a cement head magnetic induction plug indicator, which comprises a top cover, a cement head body and the lower joint between the cement head body and a lower joint is provided with a detection section, the cement head body is provided with a spiral into the cement head inside the retaining pin, cement head by spiral retaining pin spacing cementing the rubber plug body is provided, cementing plug is provided with a magnet, the detection section is provided with a magnetic sensor, magnetic sensor is connected to the two meter. The invention of rubber stopper by cement head without mechanical contact, are not damaged, and through the magnetic field as a medium, through the downstream magnetic induction sensor plug, the detection signal of no contact, high precision and high reliability.
【技术实现步骤摘要】
【技术保护点】
１．一种水泥头磁感应胶塞指示器，包括顶盖、水泥头本体和下接头，其特征在于：所述水泥头本体和下接头之间设置有检测段，水泥头本体上设置有伸入水泥头本体内的螺旋挡销，水泥头本体内设置有由螺旋挡销限位的固井胶塞，固井胶塞上设置有磁体，在检测段上设置有磁性传感器，磁性传感器连接到二次仪表。
【技术特征摘要】
【专利技术属性】
技术研发人员：李福德，李斌，
申请(专利权)人：中国石油集团川庆钻探工程有限公司，
类型：发明
国别省市：90
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