Problem and Challenges
- Surface leaks detected on multiple wells before and during the P&A campaign
- Uncertainty regarding the severity of leaks and the condition of ageing wellhead components
- Potential delays and increased rig costs to address the leaks
- Risk of compromising subsequent rig operations
Solution
- Conducted diagnostic tests on 11 wells to assess leak presence, communication pathways, and severity
- Deployed multiple on-site treatment options, including Time-Activated Sealants, to manage uncertainties
Results
- Successfully sealed severe leaks in 8 wellheads
- Maintained uninterrupted operations as per the original schedule
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