Digital Twin of a Drilling Rig: Using Simulink to Predict Rig Performance | MATLAB Oil and Gas Conference 2019
From the series: MATLAB Oil and Gas Conference 2019
Weston Johnson, Renoir Consulting
A digital twin of the above ground electro-mechanical and control systems for a drilling rig was created using Simulink® and Simscape®. Using the built-in blocks reduced the development time of the digital twin. With traditional software development methods it would take over a year with a team of experts. With Simulink and Stateflow, it took less than four months for a single developer. In addition to a significant time savings, the resulting simulation was able to predict performance of the top drive, draw works, and mud pumps with an error of less than 3% for most conditions.
Physics-based twins were built to describe the physical properties of devices (motors, pumps, and bus parameters) including material properties, using pre-built block. These blocks describe system mathematics and dynamics. Using sensor data from three sensors (speed, torque, and current), 16 motor parameters were estimated and calibrated to field data.
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