Simple process:Oil production methods include self injection and mechanical oil production. Self injection is a kind of oil production method that can make crude oil gush out from the wellhead by virtue of its own pressure because of the high pressure of underground oil-bearing layer. Mechanical oil
Simple process:Oil production methods include self injection and mechanical oil production. Self injection is a kind of oil production method that can make crude oil gush out from the wellhead by virtue of its own pressure because of the high pressure of underground oil-bearing layer. Mechanical oil