Seals for wireline must be periodically inspected and maintained to ensure ongoing effectiveness. Routine checks for wear, deformation, chemical degradation, and hardness changes are performed. Service intervals are based on pressure cycles, fluid types encountered, and actual field exposure, with preventive maintenance reducing risk of operational disruptions.​ https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/