A.5m B.10m C.6m D.4m
A.0.5m B.1m C.1.5m D.2m
A.對(duì)區(qū)內(nèi)地層縱、橫向變化情況清楚,對(duì)油、氣、水分布清楚,對(duì)主要構(gòu)造特征清楚 B.對(duì)構(gòu)造圖清楚、對(duì)錄井要求清楚、對(duì)施工步驟清楚 C.對(duì)鉆井工藝清楚、對(duì)測井工藝清楚、對(duì)錄井工藝清楚 D.對(duì)生油層清楚、對(duì)儲(chǔ)集層清楚、對(duì)蓋層清楚