A.
利用已开采过的油气田储气;(最为理想和经济) Utilizing the oil and gas reserves that have been exploited; (ideal and economical)
B.
利用含水多孔地层储气Use water - bearing porous formation to store gas
C.
利用盐岩层建造储气库储气Use salt rock to build gas storage reservoir
D.
利用岩穴储气Use of rock caverns to store gas