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- Air Drilling Technology and Its Application 空气钻井技术及其应用
- THE EXPERIMENT AND RESULT OF AIR DRILLING TECHNOLOGY IN WELL LONG 9 空气钻井在窿9井的试验与效果
- Application of Multi-techniques Air Drilling Technology in Fine Granule Gold Mine Exploration 多工艺空气钻进技术在微细粒型金矿钻探中的应用
- Study of development coalbed methane using air drilling technology in Jincheng area 用空气钻井开发晋城煤层气技术研究
- DEEP HOLE DRILLING TECHNOLOGY LTD. 北京哈镘深孔技术有限公司。
- air drilling technology 气体钻井
- But the underbalance drilling technology on diesel tail gas i... 但该技术不适应产水气井,也不适于高压气井。
- Physical leakproof plugging with drilling technology can be successfully used to study Central air response on the bottom of the flow field. 物理法随钻防漏堵漏技术能成功运用必须要研究环空响应段研究整个井底流场。
- 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；
- This drilling fluid meets the requirements of aerated drilling technology. 该钻井液可满足充气工艺要求。 此外,该钻井液密度连续可调。
- 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。
- 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。
- The air foam clockwise circulating and percussion drilling technology was practiced in the Africa that lacks water.It also got over the problem to drill in the very hard and leakage water rock. 应用空气泡沫正循环、气动潜孔锤钻进技术,实现了在非洲大陆严重缺水地区施工,克服了对坚硬岩石和漏失层钻进困难的问题。
- 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。
- Fire problem limits air atomized drilling practice into a small scale and makes this low cost drilling technology with high speed can't be used widely resulting in uncountable indirect loss. 井下失火问题将空气钻井技术局限在很小的应用范围，使这种低成本，高钻井速度的钻井方法不能得到广泛地、大量地应用，间接损失难以估计。
- 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]
- Application of ultra-short radius radial wells drilling technology in wei-5 well. 超短半径辐射分支水平钻井技术在韦5井的应用
- Combinging with engineering practice, this paper synthetically analyzes and discusses the conditions of application of the air foam drilling technology in complex layers of water defficient regions. 本文结合工程实践，综合分析论述了空气泡沫钻进工艺在缺水复杂地层中的应用情况，指出了该工艺钻效高、质量好、成本低。
- 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。
- The results show that the drilling technology of forming DTH hamer has developping prospect. 结果表明，泡沫潜孔锤钻进技术有著广泛的应用前景。
