Aker Solutions offers a range of compensator and tensioners to the industry. MH drillstring compensator Due to the special design, the top mounted compensator addresses hook load variations directly to the crown block. The unique angle approach of the MH drillstring compensator keeps the vertical force virtually constant, thereby reducing weight-on-bit fluctuations to a minimum. MH active heave compensator Designed for installation on semi-submersibles and drill ships with top mounted MH drill string compensator. The active heave cylinder is mechanically connected to the crown block, ensuring minimum load and relative motion variations. It is mainly used when landing BOPs, sub sea trees, during under-reaming and during other down hole operations that require a minimum of motion. MH direct acting riser tensioner. Tension capacity up to 5 000 000 lbs Does not occupy working deck space as traditional wire line tensioners Advanced and proven riser anti recoil system Piston rods made from carbon steel with stainless steel weld overlay Can be integrated with a trip saver Low weight and low center of gravity Designed to operate with two cylinders out of operation Maintenance work reduced to a minimum due to few moving parts.