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Evaluation of possible pressure reduction in relation to blowout and kill rates

19 August 2022 by Morten Haug Emilsen

Commissioned by the Norwegian Petroleum Safety Authority, Add Energy has produced a report that evaluates possible pressure reduction in relation to blowout and kill rates.

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Calculating blowout and kill rates in the worst-case scenario of a potential blowout during drilling wells is part of the assessment of environmental risks and kill opportunities associated with a potentially worst blowout event during drilling operations in hydrocarbon-bearing formations.

The evaluations in this study provide considerations of uncertainty related to the development of blowouts and physical conditions related to possible pressure drops in potentially flowing formations in the event of a blowout. The report assesses and summarizes several historical events in this context, such as the Montara and Macondo blowouts.

The report gathers knowledge about specific challenges related to the uncertainty about how the depletion of reservoir pressure may affect kill operations through relief well(s) in the event of a potential blowout.

To read the full report titled 'Can reservoir depletion be credited for Relief Well Operations?', click the download below

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Meet the Add Energy team behind the report...

2021 Headshot_Morten Haug Emilsen


Morten Haug Emilsen 

EVP Well Control



2021 Headshot_Geir Hedenstad

Reviewed by

Geir Hedenstad

VP Operations & Training



2021 Headshot_Ole B. Rygg

Approved by

Ole Rygg 



Want to know more?

If you want to discuss this report further or chat to a member of our team about your drilling and wells operations, full in this form and we will be in touch!