Recovery of Valuable Fuel Fractions from Oil Fields Waste Gas Streams

Large amounts of gases recovered from oil and gas extraction operations are flared because they will not be used. One of the top challenges in the energy and environmental sectors is gas flaring which not only wastes valuable fuel, but causes severe environmental damages at the same time. To meet the increasing global energy demands and reduce negative environmental impacts, a more efficient use of gas needs to be found. In this study, a simulation investigation of the recovery and emission reduction of the technical and economic flare gas systems was performed. The simulations were done using HYSYS Version 11 where 10.6 MMSCF of gas were recovered from 5 different oil fields which would have otherwise been flared daily. The economic value of the products that could be extracted from this gas was estimated to be $15.65 million annually which shows how valuable the findings of this study are both, environmentally and economically. The profit came from recovering 7.413 MMSCFD of sales gas (light end product), 70.28