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Related Experiment Video

Updated: May 29, 2026

A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life

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Development of an automatic subsea blowout preventer stack control system using PLC based SCADA.

Baoping Cai¹, Yonghong Liu, Zengkai Liu

¹College of Mechanical and Electronic Engineering, China University of Petroleum, Dongying, Shandong, 257061, China.

ISA Transactions

|September 6, 2011

Summary

This summary is machine-generated.

A highly reliable remote control system for subsea blowout preventer stacks was developed using triple modular redundancy. The system successfully executed functions and provided correct alarms for component failures, ensuring operational safety.

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Area of Science:

Marine Engineering
Control Systems Engineering
Reliability Engineering

Background:

Subsea blowout preventers (BOPs) are critical safety devices in offshore drilling.
Ensuring the extreme reliability of BOP remote control systems is paramount for preventing environmental disasters.
Existing systems may face challenges in achieving the required high-reliability standards.

Purpose of the Study:

To develop an extremely reliable remote control system for subsea blowout preventer stacks.
To leverage triple modular redundancy (TMR) and other redundancy techniques for enhanced system dependability.
To validate the system's performance and fault detection capabilities through experimental testing.

Main Methods:

Designed a hardware architecture incorporating controller, bus, and network redundancy.
Utilized off-the-shelf software for control logic, human-machine interface (HMI), and redundant databases.
Conducted laboratory experiments to test the functionality and fault tolerance of the control system.

Main Results:

The developed control system successfully executed all tested subsea blowout preventer functions.
The system demonstrated effective fault detection, providing correct alarms for failures in programmable logic controllers and input groups.
Experimental validation confirmed the system's ability to meet high-reliability requirements.

Conclusions:

The triple modular redundancy-based remote control system offers extreme reliability for subsea blowout preventer stacks.
The integrated redundancy techniques and off-the-shelf software provide a robust and dependable solution.
The system's successful performance and fault alarming capabilities enhance operational safety in subsea drilling environments.