Only if hydrocarbon exploration best realizes the targets of each step by the least cost,can the whole process of it obtain the best results by the least cost.

• 只要油气勘探工作在每个阶段都能以最小的成本最好地实现了每个阶段的工作目标 ,那么油气勘探工作的全过程也就能以最小的成本获得最好的结果。