L-plan has carried out the On Line – During operation Valve Leak Sealing Service in collaboration with Furmanite Slovenia and Petrokemija Kutina experts. Leak Sealing was performed on shut-off valve, diameter DN 650 in Wafa Desert Oil Plant, Libya, by main contractor INTECH Libya. The valve was installed on the pipeline for natural gas in the Export Gas Compression Unit and the service was conducted during full operation.
Purposefully made tight clamps were installed around the flanges to isolate the leak area. Through the adapters around clamps the special compound was injected. Injection was performed by high pressure.
Due to the potential danger of explosion, leak sealing procedure was performed under strict security measures. Leakage has been successfully stopped and eliminated.
Bozo Legat, 2013