Managing Subsurface Uncertainty from a Geoscience Perspective – Work Processes in an Asset Team

B011 Abstract 1 Managing subsurface uncertainty from a geoscience perspective - work processes in an asset team ARVE NAESS AND ANDREW MCCANN The Heidrun Field is an oil and gas giant located in the Haltenbank area offshore Mid- Norway. The field's total reserves (2004) are 175 MSm 3 (1 100 M bbl) oil and 40 GSm 3 gas. The field is developed with one Tension Leg Platform (TLP) processing oil and gas produced from one 56-slot platform template and 5 associated sub-sea templates (3 water injection templates and 2 oil production templates each with 4 available well slots). The current