Carry out drilling operation in accordance with the drilling program.
按鉆井程序進行鉆井作業。
Prepare bell nipple.
準備“喇叭口”短節。
Make up 2 joints of drill pipe.
接兩根鉆桿。
Break out this connection.
卸開該接頭。
Run hole opener to sea bed.
下擴眼器到海底。
Mix gel fluid for drilling conductor hole.
為鉆導管井眼配制高粘度泥漿。
Make up bottom hole assembly.