Offshore carbon capture and injection method and system

An offshore power generation system comprising:

• a marine platform, wherein the first marine platform has at least a first side, a second side and a third side;
• a plurality of gas fired power generation systems mounted on the marine platform, each gas fired power generation system including a flue gas exhaust;
• a plurality of electric generators mounted on the marine platform and driven by the plurality of gas fired power generation systems;
• a combustion fuel source in fluid communication with the plurality of gas fired power generation systems;
• a plurality of step-up transformers mounted on the marine platform adjacent the third side, wherein the plurality of step-up transformers each have a step-up voltage of at least 60 kV;
• an electricity conveyance system extending away from the plurality of step-up transformers on the marine platform, the electricity conveyance system disposed to supply consumer power external to the marine platform;
• a carbon dioxide capture system mounted on the marine platform adjacent the first side and in fluid communication with the flue gas exhausts of the plurality of gas fired power generation systems;
• and
• a carbon dioxide conveyance system extending from the carbon dioxide capture system to a storage reservoir;
• wherein the plurality of gas fired power generation systems are positioned on the marine platform between the carbon dioxide capture system adjacent the first side of the marine platform and the plurality of step-up transformers adjacent the third side of marine platform.

An offshore power generation system comprising:

• a first marine platform, wherein the first marine platform has at least a first side, a second side and a third side opposing and spaced apart from the first side;
• a plurality of gas turbine engines mounted on the first marine platform, each gas turbine engine including a flue gas exhaust;
• an elongated, linear exhaust duct in fluid communication with each of the flue gas exhausts, the elongated, linear exhaust duct extending linearly between the first and third sides of the first marine platform;
• a plurality of electric generators mounted on the first marine platform and driven by the plurality of gas turbine engines;
• a plurality of step-up transformers mounted adjacent the third side of the first marine platform;
• and
• an electricity conveyance system extending away from the plurality of step-up transformers on the first marine platform, the electricity conveyance system disposed to supply consumer power external to the first marine platform;
• a combustion fuel source disposed adjacent the first side of the first marine platform and in fluid communication with the plurality of gas turbine engines;
• a carbon dioxide capture system in fluid communication with the elongated, linear exhaust duct;
• and
• a carbon dioxide conveyance system extending from the carbon dioxide capture system to a storage reservoir;
• wherein the plurality of gas turbine engines are positioned on the first marine platform between the combustion fuel source adjacent the first side of the first marine platform and the plurality of step-up transformers adjacent the third side of first marine platform.