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Transvac - Enhanced Recovery & Production Boosting Ejectors
Ejectors offer an attractive solution for generating extra production from low pressure (LP) wells and thereby extending field life. Most commonly, shut-in or liquid loaded wells can be revived, as well as satellite or stranded wells deemed too expensive to recover with ‘traditional’ enhanced recovery techniques.
In many fields, it is common for gas from an HP well to be ‘choked’ to a lower export pressure which is a waste ‘usable’ energy. Instead of wasting available energy, the choke valve is bypassed and the HP gas is used to ‘drive’ an Ejector, which not only discharges gas at the export pressure, it lowers the pressure on LP (often marginal) wells thereby boosting production and sometimes bringing ‘dead’ wells back to life.
Transvac’s patented ‘Universal Design’ Ejectors allow new Internals (Nozzles and Diffusers) to be fitted as well pressures declined over time, thereby keeping the Ejector operating at its the optimal design point to maximise production.
- New ejector internals can be fitted as well pressures decline to maximise production
- New internals can be fitted in less than one shift
- Ejector has no running costs, as it utilises motive gas energy which is normally wasted across a choke valve
- Ejector requires no maintenance and produces no emissions
- Universal design allows manufacture of new Ejector internals to be delayed until HP well is drilled, thereby reducing project risk
- Extra gas produced from shut-in wells