The Gulf of Suez Petroleum Company (GUPCO) is an Egyptian General Petroleum Co/BP Amoco plc joint venture oil and gas production company which operates about 1,600 km of pipelines in the Gulf of Suez (GOS). This massive system incorporates 281 individual lines which carry produced oil/water, multi-phase production, injection water, and low/high pressure injection gas between 100 offshore platforms and several onshore processing and waterflood plants. Although a few of the pipelines date back to the 1960s, most were installed in the 1970s and 1980s. The integrity of these pipelines is critical in maintaining GUPCO's current GOS oil production rates of about 300,000 bpd. Following a series of alarming oil trunkline failures, a multi-disciplinary effort was initiated to rectify shortcomings. The resultant findings of this team are discussed, particularly regarding the predominant microbiologically-influenced corrosion (MIC) failure mechanism. The semi-quantitative risk analysis approach developed to target pipelines for corrective actions is reviewed, along with the subsequent maintenance strategies and tactics adopted for pipelines rehabilitation and integrity assurance. These involve heavy refurbishment pigging, routine pigging/chemical treatments, selective smart pig inspections, and improved condition monitoring. Technical and economic difficulties in enacting the programme are cited and successes to date are discussed. Finally, a possible future role for emerging new de-souring technologies is proposed.
Rehabilitation of GUPCO's massive and aged pipeline infrastructure in the Gulf of Suez
Wiederherstellung der umfangreichen und alten Pipeline-Infrastruktur von GUPCO am Golf von Suez
Corrosion Prevention and Control ; 46 , 5 ; 122-132
1999
11 Seiten, 15 Bilder, 2 Tabellen, 6 Quellen
Aufsatz (Zeitschrift)
Englisch
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