Self-charging multistage regulation and control intelligent water distributor

The self-charged multi-stage control intelligent water distributor solves the problems of battery capacity limitation and interlayer interference through downhole self-generating power and unified circuit control, realizes multi-layer simultaneous allocation and efficient data monitoring, and improves the intelligent control level of the dispensing well.

CN120575822APending Publication Date: 2025-09-02PETROCHINA CO LTD
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Patent Information

Application Number
CN202410235140.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-03-01
Publication Date
2025-09-02

AI Technical Summary

Technical Problem

The existing intelligent water distributors with cable-free intelligent deposition and wave code intelligent deposition process have short working life due to battery capacity limit, so the layers cannot communicate with each other, resulting in low distributor efficiency, serious interference between layers, poor manual allocation accuracy, and difficulty in communication and allocation in low permeability water injection layer.

Method used

The self-charge multi-stage control intelligent water distributor is adopted to realize multi-layer simultaneous allocation and data monitoring through downhole self-generating charging and unified energy-saving circuit control. The dynamic changes of water injection at each layer are feedback each other, and the unified monitoring and communication with the ground are avoided, and the battery capacity limit and interlayer interference is improved, and the measurement and adjustment accuracy and efficiency are improved.

Benefits of technology

It realizes intelligent automatic measurement and efficient information feedback for oil and water well layered production, reduces interference and manual intervention between layered measurement and adjustment, improves process technology level, and reduces inspection and management operation costs.

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Abstract

The invention relates to a self-charging multi-stage regulation and control intelligent water distributor which comprises an upper self-charging multi-stage regulation and control intelligent water distributor, a lower self-charging multi-stage regulation and control intelligent water distributor, an upper well backwashing layering sealing cylinder and a lower well backwashing layering sealing cylinder. The upper self-charging multi-stage regulation and control intelligent water distributor and the lower self-charging multi-stage regulation and control intelligent water distributor are connected through a power supply signal line; the upper well backwashing layering sealing cylinder and the lower well backwashing layering sealing cylinder are arranged outside the upper self-charging multi-stage regulation and control intelligent water distribution instrument and the lower self-charging multi-stage regulation and control intelligent water distribution instrument in a sealed and sleeved mode respectively. Self-power-generation charging can be carried out by centralizing the full-well injection rate underground, energy-saving circuit control is unified, the long-term power utilization requirements of a control and communication mechanism and all water distribution monitoring mechanisms are met, multi-layer allocation separate injection can be intelligently and efficiently controlled at the same time, water injection parameters of all layers can be monitored and analyzed, stepless regulation and control of water nozzles of all the layers can be achieved, and water injection dynamic changes are mutually fed back and interacted.
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