The reservoirs of the North Shaanxi Gas Field are the dolostones of the dolomitic flats in Majiagou 5,and the potential reservoirs will be the dolostones of the banks in Majiagou 4.

• 当今陕北大气田的天然气主要赋存于马家沟五组的云坪相白云岩中，今后最有前景的天然气产层将是马家沟四组滩相白云岩。