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PETROLEUM TECHNOLOGY COMPANY
- Improving well performance and integrity
Technical Papers

Anti-Scale Gas Lift Valves

DuraLift Scale Resistant GLV
Durable Barrier Gas Lift Valve for Scaly Wells

DuraLift Anti-Scale Valve

On the Norwegian sector of the North Sea, barrier qualified gas lift valves often form an integral part of the well barrier envelope and as such they are routinely tested to ensure well integrity. On one such well after performing for one year, a gas lift valve failed the integrity test and was pulled from the well. Upon inspection of the valve scale deposits were discovered.

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