What is a reservoir?
A reservoir is a pool of oil or natural gas held in a subsurface rock formation.
Natural gas (but not oil) can be found in coal seams.
Sandstone, limestone and shales can hold both oil and natural gas.
A reservoir is a pool of oil or natural gas held in a subsurface rock formation.
Natural gas (but not oil) can be found in coal seams.
Sandstone, limestone and shales can hold both oil and natural gas.