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- Non-regular workover equipments are coiled workover rig,snubbing unit and all kinds of matching tools. 四川在修井时主要采用常规修井设备。
- The snubbing unit is often employed when working in a pressurized well which requires the tubular members being forced into the well bore. 采用不压井起下作业装置，可在有压力井中将管柱强行下入井内作业。
- According to sealing characteristics of blowout preventer used for high pressure water injection wells in snubbing service, a new type of snubbing unit is put forward. 针对目前带压作业防喷装置存在承压低、胶心寿命短以及安全性差的问题,研制了一种新型带压作业防喷装置。
- 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。
- Snubbing unit with double-balance is used in plu gging tubing.It is a mechanical snubbing tool which prevent oil jet during produ ction.It can meet the requirements of nonmud kill job. 双平衡不压井器是应用于抽油机作业施工封堵油管通道，防止作业时油流喷射的一种机械不压井工具，与井口自封联合使用可满足抽油机非钻井液压井作业要求。
- The performance, current status and developing trend of the typical hydraulic snubbing units abroad are briefly described in this paper. 介绍了国外典型液压不压井修井机的性能、技术水平及发展趋势。用液压不压井修井机进行修井作业的优势是能保持地层能量，不污染地层；
- The Argentina captain was at his destructive best in the heart of midfield, snubbing United's attacks, before a late red card and he is well aware of the importance of the win. 本场比赛小马处于他的最佳状态，在中场核心位置的他一次又一次破坏曼联的进攻，直到他吃到红牌，他非常清楚此役取胜的重要性。
- Hydraulic Snubbing Unit Works Over, Recovers Well after Blowout 利用液压起下钻装置修复井喷后损坏的井眼
- The second snub settled his hash. 第二次碰壁使他不敢再找麻烦了。
- Keywords equilibrium;snubbing unit;structure;principle;field testing.; 平衡;不压井起下装置;结构;原理;现场试验;
- The luminous intensity on unit area. 单位面积上的发光强度。
- The family is the smallest social unit. 家庭是社会最小的单位。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Keywords snubbing unit;blowout preventer （BOP）;controllable sealing;mathematic model;simulation; 带压作业;防喷器;可控密封;数学模型;仿真;
