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- Distinct variations of managed pressure drilling exhibit application potential. 控制钻井压力的不同变化可解决钻井中存在的压力问题。
- managed pressure drilling 控制压力钻井
- The gas underbalance pressure drilling test for protecting reservoir was carried out in two holes. 开展了2口保护储层的天然气欠平衡钻井试验。
- In light of the geological features of reservoirs in Changqing Gas Field, the study and test of gas underbalance pressure drilling technology have been carried out in the field. 摘要针对长庆气田储层地质特征，开展了长庆气田天然气欠平衡钻井技术研究及试验。
- This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality. 比较了高风压钻头渗碳层深度的不同检验方法,并对其正确性和实用性进行了探讨。
- XM-230/80 rotary seal head is a rotary seal unit on wellhead, specialized for negative pressure and low pressure drilling, characterized by reliable sealing effect, ease of opration and safe service. XM-230/80型钻井旋转密封头是一种专用于负压、低压钻井的井口旋转密封装置,具有密封可靠、操作简单和防爆、安全等优点。
- natural gas underbalance pressure drilling; 天然气欠平衡钻井;
- entire hydraulic pressure drilling machine 全液压钻机
- hydraulic pressure drilling machine 液压钻机
- controlled pressure drilling drilling 控压钻井
- Xia Xin indicated that this time sells the summer new revertex stockholder's rights, is mainly is the re-steaming fund, and alleviates company's management pressure. 夏新表示，此次出让夏新塑胶股权，主要是为回笼资金，并缓解公司的管理压力。
- They managed to squash forty people into the bus. 那辆公共汽车好不容易塞进了四十个人。
- He managed to ward off the blow. 他设法避过了那一击。
- According this research, the author suggested that it is the kernel that how to keep the management pressure of quality control and how to keep the enlistment、recognition of mostly department. 进一步完善病历质控体系,促进医疗质量提升的可行策略和措施尤为重要。
- He managed to endear himself to everybody. 他有办法让大家都喜欢他。
- I managed to winkle the news out of him. 我设法从他那探到那消息。
- In the afternoon I managed to get the floor. 到了下午，我总算有了发言的机会。
- We managed to lose our pursuers in the darkness. 我们趁黑摆脱了追踪的人。
- John managed to repair his car by himself. 约翰设法独力修理自己的汽车。
- We managed to achieve a kind of modus vivendi. 我们设法达成了某种临时的妥协。
