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- 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 FOAM DRILLING TECHNOLOGY IN YEMEN BLOCK 32 也门32区块空气泡沫钻井技术
- Application of Air Foam Drilling in Arid Area Water Well Drilling 空气泡沫钻进在干旱地区水井钻探方面的应用
- Application Prospect of Air Foam Drilling Techniques in Geological Core Drilling 空气泡沫钻进技术在地质岩心钻探中的应用前景
- air foaming drilling 空气泡沫钻井
- air foam drilling 空气泡沫钻进
- Because of the low penetration rate and loss of fault in block 32 and 53 in YEMEN,the problem of loss was successfully salved by adopting the foam drilling fluid and accelerated the drilling speed in hard formation by applying the air hammer. 也门 32区块和 5 3区块地层可钻性差、存在断层漏失 ,采用泡沫钻井液有效地解决了井漏问题 ,应用空气锤钻井加快了硬地层的钻进速度 ;
- 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。
- 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。
- 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 machine is the necessary equipment of foam peeling machine. it is mainly used for round foam drilling. 这种机器是泡绵圆切机的配套设备，主要用于圆柱状泡绵的钻孔加工。
- This paper outlines the formulation tests and properties of light weight circulating foam drilling fluid. 简要介绍了低密度可循环泡沫钻井液的配方试验及性能特点。
- The rheologic model of three-phase foam drilling fluid can be optimized with grey correlation analysis method. 三相泡沫钻井液流变模式可通过灰色关联分析法进行优选。
- The formula, properties and applications of cyclable foam drilling &completion fluids in underbalanced drilling in Luo 151 11 Well are introduced. 介绍了可循环泡沫钻井完井液的配方、性能及在罗151-11井欠平衡压力钻井中的应用情况。
- Meanwhile, the gas-liquid ratio for foam drilling or gas-filled underbalanced drilling in normal pressure formations is analyzed. 同时分析了在常压地层进行泡沫或充气欠平衡压力钻井时所需的气液比。
- During the stabilized foam drilling in shale formation,an inhibitive is often added into the circulating fluid to prevent wellbore collapsing and stick. 在泥页岩地层进行稳定泡沫钻井施工时,为防止地层坍塌和卡钻,通常在循环流体中要加入抑制剂。
- A model for expressing the change of backscattering flux of foam drilling fluid with time was established according to the optics property of foam drilling fluid. 根据泡沫钻井液的光学性质,建立了后向散射光强度随时间变化的关系模型,并进一步提出了泡沫比表面积的概念。
- ZHANG Rui,WANG Rui-he,QIU Zheng-song,et al.Stability evaluation of foam drilling fliud using light backscattering theory[J].Acta Petrolei Sinica,2005,26 (1):105-108. [5]张锐;王瑞和;邱正松;等.;利用光散射原理评价泡沫钻井液的稳定性[J]
- Test results show that by adding suitable amount of polyglycol and temporary plugging agent in the foam drilling fluid, the permeability recovery increases from 66. 实验结果表明;泡沫钻井液中加入适量暂堵剂和聚合醇后;渗透率恢复值从66.;54%25增加到84
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
