Oil rig middle ocean
A trio of oil rigs whose departure from the UK was blocked two years ago amid safety and environmental concerns are still in the Cromarty Firth. Scottish Environment Protection Agency (Sepa In that latter case, you get underwater oil and offshore oil rigs. In the “middle” of the ocean, the seafloor is primarily basaltic crust generated by volcanic activity at the mid-ocean ridge. There’s no source of sufficient organic material for oil source rock or high-permeability sandstone for reservoir rock.