日日噜噜夜夜爽爽_国产精品青青在线麻豆_亚洲av不卡一区二区三区_性直播视频在线观看黄_国产成人小午夜视频在线观看

1. Carry out drilling operation in accordance with the drilling program. 按鉆井程序進(jìn)行鉆井作業(yè).
2. Prepared bell nipple. 準(zhǔn)備”喇叭口”短節(jié).
3. Make up 2 joints of drill pipe. 接兩根鉆桿.
4. Break out this connection. 卸開該接頭.
5. Run hole opener to sea bed. 下擴(kuò)眼器到海底
6. Mix gel fluid for drilling conductor hole. 為鉆導(dǎo)管井眼配制高粘度泥漿.
7. Make up bottom hole assembly. 組合下部鉆具
8. Check and reset crown-saver on every tour. 每個班都要檢查并重新調(diào)整天車防碰裝置.