Manage gas feedstock and NGL quality at treating plants

S. H. Al-Mudaibegh, Saudi Aramco, Dhahran, Saudi Arabia Contamination of gas and NGL streams has been a chronic issue at Saudi Aramco facilities and at plants around the world. Major contaminants in process streams include corrosion products (black powder), water in gas and NGL streams, liquid HC in gas streams and glycol in product gas streams. The presence of these contaminants is mainly attributed to inefficient filtration/separation and process control and corrosion management. To overcome operational issues caused by contaminants in sales gas and NGL, several measures are taken. These include pipeline scraping, installation of feed gas filters/separators, anti-foam injection, fresh so