Page 41: of Offshore Engineer Magazine (Jan/Feb 2021)

40 42

FEATURE GREEN RIGS

Collaborative solutions for more efficient, greener drilling operations

All images: KONGSBERG

How teamwork between COSL Drilling and key suppliers KONGSBERG and NOV has improved on previously record low emissions to deliver fuel and environmental savings of more than 25%.

By Morten Firing, Operations Manager,

Global Customer Support Offshore & LNG, Kongsberg Maritime n 2020, after several years of developing energy-ef?cient tional costs, we hope to create a win-win situation for both drilling operations, a team at COSL Drilling Europe AS our business and the environment,” explains Tor?nn Kalstø, launched a major project to save energy on COSL rigs project leader for COSL Drilling Europe.

operating on the Norwegian shelf in the North Sea. This The drilling operation on a rig is a complex combination of

I ‘Energy Control’ project aimed to reduce greenhouse gas safety and operational critical energy consumers. COSL invit- emissions and at the same time pursue other bene?ts, such ed Kongsberg and drilling specialists NOV to work together as reductions in maintenance costs and fuel usage for engines to achieve these goals. Both companies already had individual and generators. solutions to improve power consumption and generation ef- “By reducing the environmental footprint of COSL Drill- ?ciency: Kongsberg could provide smarter ways to control ing Europe and at the same time safely reducing our opera- energy production, and NOV could optimize the use of the january/february 2021 OFFSHORE ENGINEER 41