Mature Fields

Plug and Abandon – An Unfortunate Requirement

One of the many challenges of mature fields is the ultimate necessity to plug and abandon wells due to depletion, watering out or mechanical failure. One of the key petroleum industry terms today is “barrier assurance”. Barrier assurance infers that there will be no leaks; either now or in the future. However, two conflicting scenarios present themselves at this point. The first is to create a...

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