The new front line for Europe’s energy security is a modest office building overlooking a fjord in Stavanger, Norway. Inside, a company called Petoro oversees three dozen of the largest oil and natural gas fields in Europe, on Norway’s petroleum-rich continental shelf.These operations — in Norwegian waters marked by massive offshore platforms and wells snaking thousands of feet below the surface — have been instrumental in helping Europe heat its homes and generate electricity since the onset of Russia’s war in Ukraine.As Russia throttled back natural gas exports last year, Norway dialed them up, and it is now Europe’s main supplier of the fuel. Norway is also feeding greater quantities of oil to its neighbors, replacing embargoed Russian oil …
