IoT Data Acquisition Solution for Smart Oilfields

 

Industry Background

Smart oilfields represent a new development model centered around digitization, networking, and intelligence, covering the entire industrial chain from oil and gas exploration, drilling and extraction, production and processing, to storage, transportation, and sales. Data, as the core production factor in smart oilfields, permeates every scenario of oilfield operations, including oil well condition data and equipment operating parameters. It serves as the foundation for optimizing production scheduling and managing safety risks in oilfields, as well as a key support for enhancing production efficiency and management levels.

As the construction of smart oilfields continues to deepen, the traditional approach of manual inspection combined with manual meter reading is increasingly unable to meet the demands of modern operations. The comprehensiveness, real-time performance, and stability of data acquisition have become core concerns in the industry, necessitating an efficient, flexible, and reliable IoT data acquisition solution.

Solution Overview

The WideIOT industrial intelligent gateway supports the connection of devices such as SCADA systems, frequency converters, sensors, metering instruments, and cameras. It enables the acquisition of operating parameters and video signals (such as motor current and voltage, power diagrams, stroke frequency, production volume, wellhead pressure and temperature) from pumping wells and pumping units through protocols like IEC104, Modbus TCP, and OPC UA. Subsequently, it connects to the smart oilfield management platform via 5G/4G networks and the MQTT protocol, facilitating remote monitoring, abnormal alarms, remote control, data statistics, and analysis of multiple oil wells and pumping units. This provides comprehensive and reliable data support for evaluating oil well production capacity, optimizing pumping unit conditions, and driving the high-quality development of smart oilfields.

Implemented Functions

1. Extensive Protocol Data Acquisition

The gateway is equipped with multiple communication interfaces, including serial ports, network ports, and IO ports, and features a rich protocol library. It supports the connection of devices such as SCADA systems, frequency converters, sensors, metering instruments, and cameras, enabling all-weather automated data acquisition through 5G/4G, Wi-Fi, or Ethernet connections to upper-level computers or cloud platforms.

2. Reliable Data Transmission

The gateway adopts an industrial-grade design, featuring electromagnetic interference resistance, IP30 protection, and the ability to operate in a wide temperature range (-40°C to 85°C), making it adaptable to harsh oilfield production environments. Additionally, it incorporates a breakpoint resumption function, continuing to collect and store data locally during network outages and automatically resuming data transmission once the connection is reestablished, ensuring the stability and integrity of data transmission.

3. Remote Monitoring and Alarming

Managers can remotely monitor the operating parameters of multiple pumping wells and pumping units, such as motor current and voltage, power diagrams, stroke frequency, production volume, wellhead pressure, and temperature. Based on intelligent alarm rules, automatic alarms are triggered when abnormal data is detected, notifying managers through WeChat, SMS, email, or platform pop-ups for timely investigation and control.

4. Intelligent Edge Computing

The gateway supports various edge computing functions, including intelligent data acquisition, data filtering, alarm calculation, jump triggering, formula calculation, and grouping strategies. It converts the acquired data into standardized data before uploading it to the management platform, reducing data transmission bandwidth usage and server computing load.

5. Remote Control and Management

There is no need for constant on-site personnel. Managers can remotely start and stop pumping units and adjust operating parameters such as stroke frequency through mobile phones, computers, or central control room platforms, reducing the need for on-site visits and enabling flexible control of the production process. This effectively enhances emergency response efficiency and safety management levels.

6. Data Analysis and Optimization

Through data analysis of the operating parameters of pumping wells and pumping units, managers can assess the working conditions of the pumping pumps (such as insufficient liquid supply, gas interference, or rod breakage) and make informed decisions. This provides a basis for fault prediction and energy efficiency improvement, continuously optimizing production plans and enhancing production efficiency and economic benefits.

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