Low Dosage Hydrate Inhibitor Succeeded in Deepwater Well

Baker Hughes Delivered Subsea Tieback Solution for Gulf of Mexco

A subsea well in deepwater Gulf of Mexico was producing 3,600 BOPD, 2 BWPD and 2.3 MMSCF/D with a four-mile uninsulated flowline. Fluids arrived at the platform at 600 psig and 42°F (5.5°C), several degrees below the predicted hydrate formation temperature. During shut-ins, the flowline pressure could reach 2,000 psig, posing a severe hydrate formation risk. Hydrates were controlled by injection of methanol.

Baker Hughes developed HI–M–PACT low dosage hydrate inhibitor, allowing hydrates to form while preventing agglomeration and plugging. HI–M–PACT LDHIs are effective at low dosages even in severe conditions.

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