ConocoPhillips (NYSE:COP) plans to restart long idle gas fields in Norway's North Sea, the first such reopening in around three decades. The project is expected to send new gas volumes to key European markets, including Germany and the UK. The move comes as Europe focuses on energy security and diversification following recent geopolitical tensions affecting supply. For you as an investor, this highlights how NYSE:COP fits into Europe's evolving gas supply mix. The company already has a...