Maersk Oil Qatar has announced the successful installation of the last of 15 new platforms and other offshore facilities, including the region's largest platform at 13,500 tonnes as part of the Al Shaheen Field development Plan, the Peninsula has reported. Hook-up and commissioning of the new platforms is underway and is expected to be finalised by the end of Q1 2010, connecting facilities via 300km of inter-field pipelines and 50km of subsea cables, the company said.