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PSA investigates Statoil well control incident at Visund

Published by
Oilfield Technology,

Statoil will be investigated by the PSA in response to a well control incident during a drilling operation on the company’s Visund oilfield which resulted in problems with shut off valves on the subsea installation.

An inflow and pressure increase were registered in the well's annulus. Production on the field was halted and the operator began demanning the facility. The BOP was intact, but problems were reported in operating shutoff valves on the top of the drillstring.

It has been reported that the incident did not cause any hydrocarbon leaks.

As a result of the incident, the PSA is to carry out an investigation focusing on Statoil's planning and execution of the well operation.

The objects of the investigation include clarifying the chain of events and identifying proximate and underlying causes.

Following the investigation a report will be published on

Adapted from a press release by Louise Mulhall

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