Tubing Corrosion Prediction Without Well Shutdowns
Challenges
- Pipe corrosion is a common problem caused by elevated CO2 and H2S content in the fluid and by reservoir pressure and temperature.
- Tubing corrosion compromises well integrity and reduces operational efficiency, leading to prolonged maintenance and workovers and sub-optimal production.
- Conventional corrosion assessment methods require well shutdowns, and production is lost while they run.
Approach
A combined ML pipeline clusters wells and classifies those clusters, assessing whether a well belongs to a high or low risk group.
The ranking is used to prioritize maintenance and corrosion measurement tests, so the short-list of wells is produced without shutting any of them in.
Key features
- ML risk stratification through well clustering and cluster classification
- High and low risk groups assigned without a shutdown
- Workover prioritization alerts
- Short-list of wells for maintenance or corrosion measurement tests
Impact
15%
Average well profitability growth
65%
Avoidable tubing breakdowns due to corrosion, identified in advance
No production lost to assessment shutdowns
As stated in the company deck