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套管固井
    339. 7 mm CASING CEMENTING TECHNIQUE OF WELL WUSHENG 1
    乌深1井Ф339.7mm套管固井技术
    DOUBLE-DIAMETER CASING CEMENTING TECHNOLOGY
    双径套管固井技术
    Study on dynamic response of offshore surface casing cementing unit and its application
    海上表层套管固井装置的动力响应研究及其应用
    APPLICATION OF BFS SLURRY IN PRODUCTION CASING CEMENTING IN JILIN OILFIELD
    BFS固井液在吉林油田油层套管固井中的应用
    Local Dual Mixed Casing Cementing Technology in Gypsum-Salt Beds
    膏盐层局部双层组合套管固井技术
    Analysis and Count Measure to the Production Casing Cementing Problems in Tahe Oilfield
    塔河油田生产套管固井问题分析和对策
    PRACTICE AND COGNITION ON SUPPER- LONG OPEN HOLE PRODUCTION CASING CEMENTING IN WELL LONG 4
    窿4井超长裸眼油层套管固井实践与认识
    To perform the technology research of cementing and perforating completion of complicatedwellbore wells, methodology research is conducted firstly, and three well completion methods areestablished, including horizontal well casing cementing and perforating completion, horizontal well linercementing and perforating completion, and side-track horizontal well liner cementing and perforatingcompletion.
    复杂结构井固井射孔完井技术研究,首先进行固井射孔完井方式研究,形成了水平井套管固井射孔完井、水平井尾管固井射孔完井、侧钻水平井尾管固井射孔完井等三种完井方式。
    Successful practices with good quality of five φ 244. 5 mm casing cementing with this techniques using a MTC fluid with density of 1. 62~ 1. 81 g / cm3 were obtained in Jidong oilfield.
    经冀东油田用常规固井设备和工艺在φ244.5mm套管固井中施工5口井。 这5口定向井的钻井液类型有聚合物钻井液、正电胶钻井液和小阳离子钻井液。
    The configuration and principle of anti rotary plug and necessary float collars and their applications in intermediate casing cementing are introduced.
    介绍了防转胶塞及配套浮箍的结构、原理和在技术套管固井中的应用情况。
    AWG cement can effectively increase cementing quality of adjustment wells and knotty wells when geological properties are complex with high and low pressure coexisted multi-pressure series. It applies to adjustment well cementing, knotty well cementing, slim hole cementing, various surface casing cementing and offshore cementing.
    AWG水泥在高、低压共存的多压力层系复杂地质情况下使用,能有效地提高调整井、疑难井的固井质量,适用于调整井、疑难井固井、小眼井固井、各种表层套管固井及海上固井。
    The production casing cementing problems in Tahe Oilfield in 1998 are analyzed,and the main reasons causing low cementing quality are found.
    针对塔河油田 1 998年生产套管固井质量存在的问题进行了分析 ,找出了影响固井质量的主要因素。
    The paper presents three methods for solving one-trip cementing problem on double-diameter casing and analyses the features of the three methods. The analysis results show that using double-diameter rubber plug is the safest,economic and reliable method for solving double-diameter casing cementing.
    介绍了解决双径套管一次性固井的三种方法 ,并分析了三种方法的特点 ,认为采用双径胶塞是解决双径套管固井最安全、经济、可靠的方法。
    By the surface simulation test research and site cementing operation comparison verification, the small tolerance double casing cementing quality evaluation method and quality control measures have been found, i.e. casing verification liner reinsert, premium cement slurry, centralizer piece welding on casing, etc.
    通过地面模拟试验研究和现场施工对比验证,找出了小间隙双层套管固井质量的评价方法和控制质量的措施,认为检验套管和尾管回插、优选水泥浆配方、加焊扶正块等措施是提高固井一次成功率和固井合格率的根本保障。
    In combination with the geological features of the gas wells in West Sichuan,such as multi payzone,high pressure gradients and a large lithological change in channel sand bodies,etc. ,the casing cementing and perforation completion were adopted for the main well and branch holes in the well group and the interzonal pressure seals of the main well and branch holes,and the separate well fracturing and producing were all realized through a completion string with dual tubing and dual packer.
    结合川西地区气井多产层、高压力梯度、河道砂体岩性变化大等地质特点 ,该井组主井眼和分支井眼均采用套管固井、射孔完成 ,通过双油管和双封隔器的完井管柱实现了主井眼和分支井眼的层间压力分隔和分井压裂、分井采气。
    (3) During the 139.7mm casing cementing, compound tool which includes external packer, stage collar and blind rams and nonfiltration cement slurry were used to successfully deal with cementing problem of high permeability formation.
    φ 139.7mm完井套管固井 ,采用管外封隔器带分级箍加盲板的复合结构 ,使用不渗透水泥浆体系 ,较好地解决了高渗透油气层的封固问题。
    Response characters of two logging methods in different cementing qualities have been summarized through contrasts and analysis of the results. Also, an method to evaluate complex casing cementing quality has been developed and applied in field with better accordance.
    为了研究声幅-变密度测井技术评价复杂套管固井质量的方法,在7口井中进行了试验,即在下小尺寸套管前后分别进行声幅-变密度测井,开展对比分析,总结出了声幅-变密度测井资料在不同固井质量时的响应特征,初步形成了复杂套管固井质量的评价方法,现场应用取得了较好的效果。
 

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