ADNOC to ex­pand CO2 cap­ture

ADNOC plans to cap­ture 5mn tons of CO2 per year be­fore 2030

Oil & Gas Middle East - - NEWS -

EOR The Abu Dhabi Na­tional Oil Com­pany (ADNOC) will ex­pand the cap­ture, stor­age and util­i­sa­tion 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 not in­ter­rupt on­go­ing pro­duc­tion.

The ad­di­tional CO2 cap­ture will re­duce ADNOC’S car­bon foot­print 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 oper- ated by a joint ven­ture be­tween ADNOC and Oc­ci­den­tal Pe­tro­leum Cor­po­ra­tion, pro­cesses about 1.3bn stan­dard cu­bic feet per day (scfd) of sour gas and as­so­ci­ated con­den­sates. By 2025, mod­i­fi­ca­tions to the fa­cil­ity would en­able the gases to be cap­tured as part of the sul­phur re­cov­ery process and con­verted into CO2 for en­hanced oil re­cov­ery (EOR). Us­ing CCUS tech­nol­ogy, more than 2.3mn tons per an­num (120mn scfd) of CO2 will be cap­tured and locked away un­der­ground.

The Hab­shan and Bab com­plex could cap­ture 1.9mn tons per year of CO2 (100mn scfd). It can process up to 6.2bn scfd of as­so­ci­ated gas, the largest in the UAE and one of the big­gest in the Gulf.

“Not only does the tech­nol­ogy help ad­dress en­vi­ron­men­tal con­cerns by safely lock­ing away CO2, but it also en­ables valu­able and cleaner burn­ing gas, pre­vi­ously used to en­hance oil re­cov­ery, to be lever­aged for other pur­poses, in­clud­ing power gen­er­a­tion, de­sali­na­tion and in­dus­trial uses,” Omar Al Suwaidi said.

ADNOC will cap­ture CO2 from its own op­er­a­tions to meet a six­fold in­crease in the util­i­sa­tion of CO2 for EOR. It plans to cap­ture about 5mn tons of CO2 per year be­fore 2030. ADNOC has the ca­pac­ity at Al Reyadah to cap­ture 800,000 tons of CO2 an­nu­ally. ADNOC was the first na­tional oil com­pany to pi­lot CO2 in­jec­tion for EOR in 2009.

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