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8753273 
Meetings & Symposia 
Paper title: A case study - Achieving substantive reduction in production downtime during major brownfield interventions on oil WHTs 
Thallapalli, B; Mukunda, V; El-Sawah, M; Meligy, E; Morakhia, YC; Madhi, SA; Al-Balooshi, MM 
2015 
Society of Petroleum Engineers 
English 
ADMA OPCO is burdened with ageing assets and maintaining their integrity is a major challenge. Replacement of subsea pipelines and WHT top side facilities is an ongoing activity, which needs to be carried out without impacting production and compromising safety. The "Portable hydraulic safety shutdown system (HSSS)" is a key enabler in implementing strategies to achieve the desired end results. This is in line with ADMA OPCO's MISSION STATEMENT - To develop oil and gas production to maximize sustainability while maintaining the highest HSE standards". The Portable hydraulic safety shutdown system (HSSS) functionally works as a Wellhead Safety shutdown system in managing temporary modifications to mitigate production losses during Brown field projects. This is of specific importance in a Junction tower, when the concept of "jumper lines" is utilized to continue with the Terminal tower/s production. The jumper line is protected by the Portable HSSS maintaining the availability & reliability of the "Jumper line" Shutdown valves. Copyright 2015, Society of Petroleum Engineers.