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深井井
    Construction of Deep Well Point Dewater ing in Large Sand Filled Area
    填砂区大面积深井井点降水施工
    DISCUSSION ON DESIGN OF DEEP WELL CASING PROGRAMS IN KAIJIANG AREA,
    开江区块深井井身结构设计探讨
    The application of deep well point in dewatering of deep foundation pit
    深井井点在深基坑降水中的应用
    Comprehensive Analysis on the Technical Economy of Precipitation of Light Well Point and Deep Well Point
    轻型井井点降水与深井井点降水之综合分析
    Constructive plan of water precipitation in deep well points
    深井井点降水施工方案
    Design of deep well point precipitation in pipe canal digging and its application
    深井井点降水在管沟开挖中的设计与应用
    Modification of Deep Well Point Dewatering Scheme in Foundation Pit During Its Implementation
    基坑深井井点降水工程实施阶段降水方案修正
    2.optimization of deep well casing program;
    深井井身结构的优化技术 ;
    In this paper combined with actual engineering the design method and application situation of deep well point are introduced. This construction make good effect and some experiences are summarized to bring reference to the same engineering in future.
    结合工程实例 ,介绍了深井井点的设计方法和应用情况 ,取得了良好的效果 ,总结了几点体会 ,为类似工程的施工积累了一些经验。
    In this paper, taking municipal infrastructures in the city of Xuzhou as an example, the technical economy of precipitation of light well point and deep well point is analyzed and compared. It suggests using precipitation of deep well point .
    以我市市政基础设施为例,对轻型井井点降水与深井井点降水技术、经济进行了分 析和比较,建议尽可能采用深井降水。
    The geologic structures and the deep well configurations in Futai Oilfield are introduced. Field applications of a set of deep drilling techniques in this area are introduced in detail, including bit type selections, design of drilling parameters, drill assemblies, drilling fluid systems and completion techniques.
    介绍了富台油田的地质情况及深井井身结构情况 ,从钻头优选、参数设计、钻具组合、钻井液技术、完井技术等方面详细介绍了深井配套钻井技术在该地区的应用情况
    Because of low carbon content, the bulged tube is more flexible than common casing, and has stronger plasticity, primarily used for optimizing the hole structure of deep well, and handles well collapse, plugging lost-circulation zone in high pressure layer or low pressures and repair the damage casing in the well, enlarge the drainage area of producing pay under the certain diameter of open hole.
    由于含碳量低,膨胀管比普通套管柔性好,可塑性强,主要用来优化深井井身结构、处理井壁掉块及坍塌、封堵高压层或低压漏失层、修补井中损坏的套管、在裸眼井径一定的情况下增大产层段泄油面积等。
    Combined with specific engineering, it analyzes design of deep well precipitation plan and precipitation plan, and introduces its application in pipe canal digging, the experiences indicates construction effect is good.
    结合工程概况,比选了降水方案,分析了深井井点降水方案的设计技术,介绍了深井井点降水在管沟开挖中的应用,实践证明,该方案的施工效果良好。
    , the paper analyzed the application of casing program at home and abroad. And combining the design method of casing program, the optimization methods of casing program were discussed in detail and applied in deep well drilling. Application results showed that casing size and stratification were optimized and drilling speed was improved.
    针对于南方海相深层油气钻探过程中储层埋藏深、压力高、钻井难度大的特点,对国内外井身结构应用进行了分析,结合深井井身结构设计方法,重点讨论了井身结构的优化思路及应用效果,优化了井身结构的套管尺寸及增加套管层次,达到提高综合钻井速度,加快勘探步伐的效果。
    The article introduces the method of groundwater treatment,illustrates light and deep well point dewatering from principles of well placing and notices of well point system,and discusses the advantages of well point dewatering through engineering examples,which to offer a reference for foundation pit construction.
    简述了地下水处理的方法,从布井原则、井点系统使用注意事项两方面对轻型井点降水和深井井点降水进行了详细阐述,并通过工程实例,探讨了井点降水法的优势,可供基坑工程参考借鉴。
 

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