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固井
    In solidification period of cementing, well casing inflation due to high pressure causesmicroannulus between casing and cement annulus outside the casing.
    在固井候凝期间,由于蹩压引起套管弹性膨胀,在水泥环与套管之间形成微环隙。
    This paper presents well completion technology of exploratory well in Xihu Sag, include ing reasonable casing program, optimization of seawater drilling and completion fluid system, advantage and disadvantage of liner cementing, well test of semi - submersible unit.
    阐述了西湖凹陷探井合理的井身结构、钻井完井液的优化措施、尾管固井成功的经验和存在的不足、以及浮船系统测试工艺。
    Cementing well by using slag slurry in whole length can improve the quality of well cementing and reduce the cost of it.
    以低密度矿渣水泥浆研究结果为基础 ,设计高密度水泥浆 ,使油气井全井段使用矿渣水泥浆固井 ,以提高固井质量 ,降低固井成本 .
    Based on MTC cementing well technique, universal drilling fluid cementing technology and the study of low density slag slurry, three high density BFS slurries were developed.
    以高炉矿渣为水化胶凝材料 ,添加少量水泥和碱性激活剂 ,结合 MTC固井技术和多功能钻井液固井技术 ,设计密度 1 .75~ 1 .93 g/cm3 的矿渣水泥浆、矿渣MTC浆和矿渣 UF浆 .
    Application indicate than the new expanding material has well compressive resistance and high cementing strength at constant and high pressure and high temperature conditions,and it can also improve mechanics performance and permeability,and cementing well.
    考察了微膨胀水泥浆体工程性能和在不同温度、压力、时间条件下对水泥石的线膨胀率、抗压强度、胶结强度、渗透率的影响,结果表明,新型不收缩微膨胀水泥浆体系,在常压和高温高压下均能使水泥石产生体积膨胀,水泥浆工程性能良好,抗压强度、胶结强度高,同时可改善水泥石的力学性能及渗透性能,现场固井质量优良,两界面胶结良好。
    This paper presents in detail developments of drilling technology in Shengli Oilfield in the past 45 years, and analyzes current drilling technology including directional drilling, cluster well drilling, horizontal well drilling, ERW drilling, underbalanced drilling, multilateral well drilling, deep well drilling, ultra-deep well drilling, drilling fluid, cementing, well completion, expandable pipe and casing drilling, etc. In addition, ten key development fields for drilling technology in Shengli oilfield are proposed.
    详细介绍了胜利油田钻井技术45年来的发展历程,对目前钻井技术现状进行了分析,包括定向井、丛式井钻井技术,水平井钻井技术,大位移井钻井技术,欠平衡压力钻井技术,分支井钻井技术,深井、超深井钻井技术,钻井液技术,固井完井技术,膨胀管技术,套管钻井技术,并给出了胜利油田钻井技术十个重点发展方向。
 

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