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Issue:ISSN 1006-5539
          CN 51-1183/TE

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Design of Intelligent Downhole Throttle Control System
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Key Words: Downhole throttling; Intelligent downhole tool; CAN bus; Intelligent throttling
Abstract:Intelligent downhole throttle meets the demand of automation and digitization in intelligent well completion and digitization oil and field technologies and it represents a development trend of future downhole throttle. In order to improve the traditional throttling technology and promote intelligent downhole throttling technology,established is a control system suitable for intelligent downhole throttle by adopting CAN bus. Described in detail is technical principle of the CAN bus,the construction and control model of the servo control system based on CAN bus system,its data logical structure and system software architecture model based on hierarchical design method. Introduced are control software and operation process of the entire control system. Experimental feedback data show this system can remotely control downhole electrical machines timely and accurately and meet power control demands of intelligent downhole throttle. The design method of the system will provide valuable reference for research and development of intelligent downhole tools.
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