Jadestone Energy, an Asia-Pacific focused oil and gas company, has shut down production at its Stag field offshore Australia after Cyclone Narelle caused damage to platform and offloading facilities.The company said operations were halted on March 23 and the platform was demobilized ahead of the storm, which intensified into a Category 5 system with wind speeds exceeding 200 km/h.After returning to the facilities on March 28…