Greetings! This week ChE Today will give you the newest news about ADNOC. National Oil Company announced that it is moving ahead with plans to expand the capture, storage and utilization of carbon dioxide (CO2), produced from either the Habshan-Bab gas processing facilities or the Shah gas plant. A decision on which plant to capture the CO2 from first will be taken in 2019. The project will be engineered so as not to interrupt ongoing production from either facility.

The additional CO2 capture will reduce ADNOC’s carbon footprint – which is among the lowest in the industry – and liberate natural gas, previously used for oil field injection, for other more valuable purposes, while simultaneously addressing growing global demand for oil by boosting recovery from its maturing reservoirs.

The Shah plant — built and operated by a joint venture between ADNOC and Occidental Petroleum Corporation — is one of the world’s largest facilities processing ultra-sour gas. It processes about 1.3 billion standard cubic feet per day (scfd) of sour gas and associated condensates, which contain over 20 percent hydrogen sulfide and 10 percent CO2. By 2025, modifications to the facility would enable the gases to be captured as part of the sulfur recovery process and converted into pure CO2 for enhanced oil recovery (EOR). Using advanced CCUS technology, more than 2.3 million tons per annum (120 million scfd) of CO2 are planned to be captured and safely locked away underground. 

ADNOC has drawn up an ambitious plan to capture COfrom its own operations, using more cost-effective second- and third-generation carbon capture technologies to meet a six-fold increase in the utilization of CO2, for EOR. ADNOC plans to capture about 5 million tons of CO2 per year (250 million scfd) before 2030. 

Currently, ADNOC has the capacity at Al Reyadah to capture 800,000 tons of CO2 annually from Emirates Steel Industries (ESI). The CO2 is compressed and dehydrated before being transported through pipelines for injection into reservoirs at the Rumaitha and Bab oilfields to boost oil recovery.

The Abu Dhabi

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