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- Inclination of hole-section penetrated by air drilling can be controlled within planned range,and its hol... 这表明大庆油田外围深部地层稳定性良好,适合应用空气钻井技术。
- Air drilling is one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling. 采用空气钻井技术提高钻井机械钻速非常有效,钻速是常规钻井机械的数倍。
- SHIFENG TIAN,ADEWUMI M A.Multiphase hydrodynamic model predicts important phenomena in air drilling hydraulics[J].SPE 21559. 陈家琅;陈涛平;魏兆胜.;抽油机井的气液两相流动[M]
- Air has a low density and great compressibility.The volumetric flow rate of air in air drilling varies with pressure and temperature,which in turn,change with wll depth. 气体不仅密度低,而且具有很大的可压缩性,所以空气钻井的体积流量将随压力和温度变化,而压力和温度又随井深变化。
- There into, the air grinding machine, air drill and air water pump was awarded Shanghai excellent product and the Science and Technology Awards by CSSC. 气动工具有11个系列40多种产品，其中角向磨光机、气钻以及气动抽水泵等产品分别获得上海市优质产品和中国船舶工业总公司科技成果奖；
- The Application And Experimentation Prospect for DaTong coalfield to resource of Permo-carboniferous period By Air drilling, Foam drilling, DTH hammer drilling with experience of drilling techniques. 摘要通过对空气钻进、空气泡沫钻进工艺和空气潜孔锤钻进工艺的生产试验和推广应用，为大同煤田石炭、二叠纪煤炭资源勘探探索钻探施工的成功经验。
- Air compressor plants for air-drilling are one of the most important dynamic equipments during the air drilling process, which transfuse the compressed air into the well as circulation liquid. 空气钻井用空压装置是空气钻井过程中不可缺少的动力设备，将空气压缩后注入井下，作为循环流体使用。
- The Application And Experimentation Prospect for DaTong coalfield to resource of Permo-carboniferous periodBy Air drilling, Foam drilling , DTH hammer drilling with experience of drilling techniques. 通过对空气钻进、空气泡沫钻进工艺和空气潜孔锤钻进工艺的生产试验和推广应用,为大同煤田石炭、二叠纪煤炭资源勘探探索钻探施工的成功经验。
- This application software is compiled based on the modofied model.It is important for us to guide the air drilling at wellsite.It can also offer some references for air drilling in Daqi... 根据修正后的模型编制应用软件,结合现场实践,达到指导现场实际空气钻井的目的,为大庆地区开展空气钻井提供参考。
- After analyzing many cementing practices,it is known that foamed cement is the Ultra-lightweight cement and has been used successfully as necessary technology of air drilling ay home and aboard. 泡沫水泥是一种超低密度水泥,作为空气钻井配套技术现已被国内外许多油田广泛使用在此类固井施工中。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Mud System Transformation in Air Drilling Practices 空气钻井过程中的钻井液转换
- Air Drilling Technology and Its Application 空气钻井技术及其应用
- The borehole burst monitor system for air drilling 空气钻井井下燃爆监测系统
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- A walk in the fresh air will pep me up. 我在空气新鲜的地方散步就感到精神饱满。
