Equinor and its partners in the Troll gas field have decided to invest more than $400 million in a new subsea development to boost gas production from the huge Norwegian gas field in the North Sea. Equinor and its partners Petoro, Shell, TotalEnergies, and ConocoPhillips have decided to invest just over 4 billion Norwegian crowns, or $412 million, in a new subsea development that will increase gas production from the Troll field, the Norwegian energy major said on Friday. Equinor is betting on increasing its oil and gas production in the Norwegian…