Liquid management influences large, long flowline tie-back design

Variations in production rate and future tie-ins were two factors that influenced the design of large OD flowlines for carrying gas ashore from subsea-completed deepwater fields in the Mediterranean Sea, about 90 km (56 miles) off Egypt (Fig. 1). Click here to enlarge imageAt the recent Offshore Technology Conference in Houston, Tom Choate, Intec Engineering project systems manager for Scarab and Saffron fields, said "Flow assurance and operability under these changing conditions are critical."The design integrates flow assurance and operability of the wells, reservoir, subsea equipment, control system, flowlines, and onshore facilities.Choate indicated production rates in the system wil...

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