ConocoPhillips has made a large oil discovery in the Norwegian Sea close to a producing oilfield, the U.S. oil and gas company said on Tuesday. Preliminary estimates point to the field containing between 75 million barrels and 200 million barrels of recoverable oil equivalent, ConocoPhillips said, adding that additional appraisal would determine the flow rates and the ultimate resource discovery, as well as a potential plan for development. The new discovery on the Slagugle prospect is just 14 miles north-northeast of the Heidrun Field , which was discovered by Conoco in 1985 when it was the operator for the exploration and development phase. Heidrun has been producing oil and gas since 1995. ConocoPhillips, the operator of the license containing the latest oil discovery on the Slagugle prospect, will now assess the find alongside other nearby prospects with a view toward future delineation of the discovery and potential tie-in to […]