The Q5000 is the first-in-class second generation, 3000 m water depth rated, DP well intervention semi in the Gulf of Mexico. It features flat deck layout to improve operation efficiency and moon pool skid cart for riser hang off (US patent 9731796B2).

The Q7000 is a second generation DP well intervention semi designed for worldwide operation with low resistance ship shape pontoon hull form to achieve higher-than-normal transit speed and pallet movement on rails for equipment handling.

The Well Enhancer is a DP ship shape light well intervention vessel features riser or riserless operation, as well as diving and ROV functions.

The H534 was re-built from the famous drill ship 534 to become a well intervention vessel.