Carry out drilling operation in accordance with the drilling program.
按钻井程序进行钻井作业。
Prepare bell nipple.
准备“喇叭口”短节。
Make up 2 joints of drill pipe.
接两根钻杆。
Break out this connection.
卸开该接头。
Run hole opener to sea bed.
下扩眼器到海底。
Mix gel fluid for drilling conductor hole.
为钻导管井眼配制高粘度泥浆。
Make up bottom hole assembly.