Restart your rig

When rigs are to be reactivated after a long or short lay up it is important that the Ex equipment is up to the challenge. Karsten Moholt can help by providing you with a condition report and carry out the maintenance it needs!

How can we help?

Get an overview

We deliver a complete condition report for your Ex equipment that includes the steps that need to be taken. Then it is up to you to choose who will do the job.

Get the job done

You know your maintenance needs and need a maintenance partner. We give you a predictable price and delivery time that ensures swift rig reactivation.

Leave it all to us

We give you a complete condition report on Ex equipment and carry out the necessary maintenance and lifetime extension, making sure that the equipment complies with regulations.

Why choose Karsten Moholt?

With more than 70 years of experience in maintaining rotating electromechanical equipment, we have the necessary skills and capacity to get the job done, either in our workshop at Askøy or on site. We have the most modern workshop in Europe and competent personnel that enable us to complete the entire assignment from disassembly, overhaul and lifetime extension to recertification and assembly!



‘Karsten Moholt had complete responsibility for overhauling Ex engines at COSL Innovator and Pioneer in December 2017. The job was carried out within the agreed time, cost and was of good quality.’
– Arnljot Breistein, COSL


Karsten Moholt AS – A one-stop-shop for overhaul and lifetime extension of Ex equipment