| There is a lot of water out there. * Total ocean volume: 1.3e18 cubic meters, 1.8e21 oil barrels equivalent [1] * Current oil consumption: 35,442,913,090 barrels per year [2] * Oil share of total energy consumption: 34% [3] * Number of years of reserves at current consumption levels: 17,577,561,935 years. Assumptions: * Consumption levels are flat, definitely false. * Energy cost of retrieval: 0, definitely false. * Retrieval rate: 100%, definitely false, as the concentration dilutes over time. [1] https://ngdc.noaa.gov/mgg/global/etopo1_ocean_volumes.html [2] https://www.worldometers.info/oil [3] https://en.wikipedia.org/wiki/World_energy_consumption |