(EnergyAsia, March 8) — Hong Kong-listed China Oilfield Services Limited (COSL) said it and Norway’s Atlantis Deepwater Technology Holding (ADTH) have set up an equal joint venture company, Atlantis Deepwater Orient Limited, to provide deepwater drilling services.   “Atlantis” is a new concept for deepwater drilling. It allows third generation of semi-submersible rig to operate…