Daniel Rogers, upstream oil and gas analyst at GlobalData, said: "The total plug and abandonment expenditure
alone for the Brent field could reach $900 million (PS684m) and spans from 2008 to 2020, with over 150 wells in total.
It integrates subsurface, drilling, process, commercial and operations requirements to define all aspects of a development option through field life, delivering capital, operational and abandonment expenditure
costs for the options in line with the project maturity.
Energy XXI Gulf Coast announced that its Board of Directors has approved a 2018 capital expenditure budget in the range of $145M-$175M, which includes funding of EGC's most active drilling program since 2014, as well as recompletions, facilities improvements, plugging and abandonment expenditures
and other capital investments.