Permian Basin (North America)
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Permian Basin (North America)
by an equal excess of precipitation over evaporation on land; consequently the volume of water carried to the sea by glaciers, rivers and coastal springs is close to 27 billion acre-feet per year. About 13 billion acre-feet is carried by 68 major river systems from a drainage area
The Bakken rock layer was about ten thousand feet below the surface and just forty-five feet thick, adding to the challenge of finding oil.
Because there is no ownership in these underground minerals (as distinct from ownership of rights to drill for these minerals), the owner of the drilling rights may extract all of these transitory minerals in the underground reservoir, even if such extraction depletes the minerals under neighboring lands.