For any new offshore oil and gas project, calculating costs is key. Operators must assess both up-front capital expenditure (capex) as well as expected ongoing operational expenditure (opex) over the life of the project and weigh these figures against expected returns to ultimately determine if the development is financially viable.
However, many companies don’t calculate costs accurately because they often fail to see the bigger picture when analyzing opex, says US-based Solomon Associates.
Brazil Energy Insight 
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