The invention relates to an intelligent downhole monitoring device, including setting in the oil gas reservoir on the pressure, temperature, displacement sensor, short circuit including acquisition, communication, control, and cable and cable protection pipe; the sensor and the signal connection circuit, a displacement sensor of the free end of the sliding bar connected with the slide a short circuit; connected with the electromagnetic valve, solenoid valve control hydraulic cylinder and sliding sleeve opening degree is connected; short circuit pressure, temperature and displacement signal acquisition, ground receiving instruction, complete production layer and the ground, as well as between the ground and ground communication, a timing pulse driving solenoid valve control action. Open the sliding sleeve. The invention mainly completes the oil sleeve opening feedback, reservoir pressure, temperature monitoring, and according to the ground production adjustment commands to control the downhole electromagnetic valve action, to adjust the opening degree of the sliding sleeve, reaching downhole reservoir monitoring and production control purposes.
【技术实现步骤摘要】
【技术保护点】
１．一种智能井井下监控装置，连接在滑套类井下液压执行单元上，其特征在于：包括在各油气产层上设置的各传感器和电路短节，所述各传感器包括压力传感器、温度传感器以及位移传感器，所述各传感器与电路短节电连接及信号连接，并且所述位移传感器的自由滑杆连接在滑套上；所述电路短节与电磁换向阀控制连接，所述电磁换向阀与控制滑套开启程度的液压缸相连；所述电路短节以单片机为核心，包括采集电路、控制电路和通讯电路，其中所述采集电路完成压力、温度以及位移信号的分时采集；所述控制电路接收地面指令，发出定时脉冲驱动电磁换向阀动作；所述通讯电路完成产层与地面，以及地面与地面之间的通讯。
【技术特征摘要】
【专利技术属性】
技术研发人员：李汉兴，何东升，曹砚峰，许胜，武广瑷，靳涛，彭成勇，
申请(专利权)人：中国海洋石油总公司，中海石油研究中心，西南石油大学，
类型：发明
国别省市：11
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