A.一般性評價井 B.區(qū)域探井或重點預(yù)探井 C.注水井 D.采油井
A.25~100m;20~50m B.25~100m;10~30m C.50~100m;20~50m D.50~100m;10~30m
A.1~3m;1~2m B.1~5m;0.5~1.0m C.1~2m;1~2m D.l~2m;0.5~1.0m