Ventilation of H2S from underbalanced drilling operation
Ventilation of manholes, electrical panels & sewage lift-stations
Venting of sour compressor crankcases & pipeline liners
Discharges from sour gas-powered chemical pumps
Sweetening instrument and controller emissions
Vapours from sour oil and water tanks
Venting of pig senders and receivers
Meter testing & proving discharges
Loading & unloading of tank trucks
Heavy oil casing vent sweetening
De-hy condensation tank vapours
Heater & other fuel sweetening
