| 1. | Mr . quinn , begin drilling operations as soon as you can
奎因先生，尽快开始钻探 |
| 2. | Carry out drilling operation in accordance with the drilling program
按钻井程序进行钻井作业 |
| 3. | Carry out drilling operation in accordance with the drilling program
按钻井程序进行钻井作业 |
| 4. | B 1 . carry out drilling operation in accordance with the drilling program
按钻井程序进行钻井作业 |
| 5. | Don t switch on during drilling operation
钻井作业期间不能合闸 |
| 6. | Recommended practice for safe drilling operations involving hydrogen sulfide
含硫化氢油气井安全钻井推荐作法 |
| 7. | Rock drilling operations - terminology , units , and symbols for use in formulae
岩石钻进技术.技术术语单位和公式符号 |
| 8. | Offshore drilling operation
近海钻探作业 |
| 9. | Andalysis on a major coal and gas outburst accident occurred during a drilling operation in datong no . 2 mine
打通二矿一次打钻引起的重大煤与瓦斯突出事故的分析 |
| 10. | The calculation results show that the jack - up platform under dynamic ice loads is in safe condition and can perform drilling operation in winter ice zone
计算结果表明，该平台的桩腿在冰激动载荷下的强度满足安全要求，冬季继续在冰区海域进行钻井作业是可行的。 |
