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- Don't switch on during drilling operation. 钻井作业期间不能合闸。
- Carry out drilling operation in accordance with the drilling program. 按钻井程序进行钻井作业。
- A detailed investigative study is made of a drillpipe rupture that happened during drilling operation. 对某井在钻井期间发生的钻杆断裂事故进行了详细调查研究。
- Ram-type blowout preventer is important equipment used in oil drilling operation. 闸板防喷器是石油钻井过程中的一种重要设备。
- Chip removal is a factor which influences efficiency and quality of drilling in the drilling operation. 钻削加工中的切屑排除问题直接影响钻孔的效率和质量。
- Mao east area frequently takes place sloughing hole, pipe-stuck, lost circulation in drilling operation. 鄚东地区钻井过程中经常发生垮塌、卡钻、井漏等复杂事故。
- Usually the machine function, such as a drilling operation, is also activated at each point by command from the NC program. 通常,数控程序指令在每一个点位启动机器运转,如钻削加工。
- Jackup mast for marine drilling operation realizes hoisting of the mast by means of the pulley mechanism on the lower part of the mast. 自升式井架是目前海洋钻井工程中应用较多的新型井架,它利用井架底段的滑轮机构进行井架的起升操作。
- In drill operation,excentric shaft connection has certain inclining prevention function. 在钻井施工作业中,偏轴接头具有一定的防斜效果。
- This would be valuable as a direction for the drilling operation and the perforation program at the untapped peripheral areas. 这对外围油田未开发区块的钻井运行及射孔方案编制具有一定的指导价值。
- Although more and more PDC bits are used in drilling operation, but the results of drilling in the hard and soft interbedded formation are not desired. PDC钻头在钻井破岩中所占比例越来越大，但在软硬交错的多夹层地层钻进时效果却不理想。
- Special gage cutter layout assist the drilling operation when tight hole conditions are encountered or back reaming is required. 保径上的特殊布齿可在遇到缩径或要求反扩眼时帮助完成钻井作业.
- Drilling operations account for much of lil/gas formation protection. 钻井作业是保护油气层的关键环节。
- 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。
- Scientific drilling methods, proper drilling assembly and monitoring with drilling shall be used to ensure success of horizontally sidetracked wells during the drilling operation. 科学的工艺措施、合理的钻具组合、适宜的随钻监控方法是保证侧钻水平井成功的关键。
- The geological exploration industry's field drilling operation conditions are highly circulating and dispersing,tough and hazardous,very special works of safety in production. 地质勘探行业野外作业高度流动、分散,工作条件、作业环境艰苦、危害性大,安全生产工作十分特殊。
- The paper analyzes the causes of casing failure in 4 wells while drilling operation in the recent years,and puts forward countermeasures of preventing dawnhole casing failure. 本文就近年来在钻井施工中遇到的4口井发生套管损坏的问题进行了原因分析，提出了防止井下套管损坏对策。
- This paper analyses the character of drilling operation in BZ 13-1 area, and summarized the main three factors that influenced on the safety and drilling schedule in the area. 总结渤海渤中13-1地区钻井作业的特点和该地区影响作业安全及进度的3个主要因素:上部馆陶地质脆弱易漏失;
- Snubbing unit is a new equipment working in downhole at the conditions of inner pressure and oil and gas in well bore,drilling operation or the up-and -down operation. 不压井作业设备是一种能在井筒内有压力、有油气的情况下不用压井就可以进行钻井或起下管柱作业的一种先进的新型井下作业装备。
- This paper analyzes the difficult points in drilling operation,such as the difficult profile design and well track control and the high demand for wellbore cleaning. 分析了钻井施工难点:鱼骨剖面设计和井眼轨迹控制难度大,井眼净化要求高。
