第二次为七十年代初，在西部超覆带发现了地层圈闭油藏后，对北部倾没区和大型断裂带进行勘探，这两次勘探成果都未达到预期目的；
The second is exploration for the area of north slope and belts of big faults after finding of strata-traps in the overlap belt of the west in 1970' s. the expectative goals were not gained.
第二次为七十年代初，在西部超覆带发现了地层圈闭油藏后，对北部倾没区和大型断裂带进行勘探，这两次勘探成果都未达到预期目的；
The second is exploration for the area of north slope and belts of big faults after finding of strata-traps in the overlap belt of the west in 1970' s. the expectative goals were not gained.
应用推荐