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深井固井
    Application of Accelerated and Retarded Slurries in Deep Well Cementing in Qinghai Oilfield
    两凝水泥浆在青海油田深井固井中的应用
    Some problems in deep well cementing
    深井固井的若干问题
    Deep Well Cementing Technology Research and Application
    深井固井工艺技术研究与应用
    A low density cement slurry used in deep well cementing
    一种深井固井低密度水泥浆
    This paper describes the experiences of deep well cementing for Qiong 002 well with imported PS hydraulic machinatic double acting liner hanger.
    介绍了新疆塔西南地区琼002井使用引进的PS型液压—机械双作用尾管悬挂器进行深井固井的成功经验。
    This paper discusses some problems in deep well cementing including the newest ISO standard method to measure the top compressive strength of long segment cement, cementing temperature, slim an- nular cementing, rheological tests on drilling and cementing fluids, cement sheath shrinkage and cementing engineering design. Cement sheath and casing corrosion by drilling fluid and completion fluid, plugging in deep well, low density cement slurry system in ultra-high temperature cementing are also involved.
    讨论了深井固井的几个问题,包括长封固段顶部水泥抗压强度的最新ISO标准方法、注水泥温度、窄环空固井带来的问题、深井钻井液、固井液的流变性及流变性试验方法、水泥环的收缩及工程设计问题、深井钻井液与完井液对水泥环及套管的腐蚀研究、深井堵漏问题、特高温固井的低密度水泥浆体系。
    Lab tests show that its anti-corrosion, dynamic mechanics and anti-impacts are equivalent with normal cement, therefore, it can meet demands for deep well cementing.
    室内试验结果还表明:矿渣MTC固化物的抗腐蚀性能、动态力学性能和抗冲击性能与常规水泥相当,可以满足深井固井要求。
    Taking well Shengke-1 for example, the key deep exploration well of Sinopec with a planned depth of 7 000 m, this paper discusses deep well cementing difficulties, considerations for cementing program design and field operation.
    结合设计井深7000 m的中国石化重点深探井——胜科1井,讨论了超深井固井的技术难点、固井方案和现场施工时应注意的问题。
 

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