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- wellbore stabihty 井壁稳定性
- A large valve used to control wellbore fluids. 用于控制井眼内流体的一种大阀门。
- It makes the casing centralized in wellbore and improves cementing quality. 可使套管居中，提高固井质量。
- Results: The effect of fixation strength, stiffness, stabihty and ultimate compress strength by GCC is better than that of general compress plate(GCP). 结果：在固定强度、刚度、稳定性、承载能力等方面GCC组均明显优于普通加压钢板(GCP)组。
- Such formations require an inhibitive fluid to maintain a stable wellbore and prevent enlargement, or wash outs. 对这类岩层需使用抑止性的钻井液,以保持井眼稳定并防止井眼扩大或被冲蚀。
- New formula of drilling mud density of the control wellbore closed rate in salt bed. 一种控制盐层段井眼闭合率的钻井液密度新公式
- And wellbore instability also influences the perforation and sand production,ect in the reservoir development. 井壁失稳还影响固井，油藏开发中的射孔、防砂、采油和油井增产等后序作业的实施。
- Intermittent flow is a very important flow pattern in actual gas - liquid two phase flow in horizontal wellbore. 间歇流是实际水平井筒气液两相流动中非常重要的一种流动形态。
- Taking a well of Liaohe oilfield as an example, the effect of wellbore heating on fluid visc... 这一结果为避免抽油杆柱的断脱提供了分析依据。
- The regularities of the stabihty, the charge transfer between the doner and accepter, and the change of geometric parameters of the complexes were investigated. 根据计算结果探讨复合物的稳定性、施体和受体间的电荷转移及几何参数变化等规律。
- Yield front propagates away from the wellbore with the process of sand production. 屈服带随出砂量的增加沿井径向外扩张。
- A series of simulating tests of movement of drill stem in a vertical wellbore was conducted on a testing rack. 在自行设计建立的钻柱模拟实验来上做了直井中钻柱运动状态模拟试验，并用计算机采集和处理数据。
- An uncontrolled flow of reservoir fluids into the wellbore, and sometimes catastrophically to the surface. 一种进入井眼内而不可控制的油藏流体流，有时对地面会形成灾难。
- In drilling engineering,drill pipe often sticks in salt formation because of wellbore shrinkage. 在钻井工程中,盐岩层井眼易发生缩径卡钻。
- The computer software includes almost all of the factors affecting dynamic surge pressure, such as wellbore geometry... 另外采用空间单元划分取合补偿的方法，以提高计算速度和计算精度。
- Super-strengthen spring steel is applied to centralize casing in wellbore, and improves cementing quality. 利用高强度弹簧钢支撑套管，使套管居中，提高固井质量。
- During the gyrocompass survey procedure, wellbore headings are determined at predetermined stations. 陀螺罗盘测量模式在特定测点进行静态单点测量。
- During drilling well, keeping wellbore stability is very important for drilling normally. 在钻井过程中,保持井眼稳定性是保证正常钻进的基础。
- The temperature and pressure distribution of the fluids along the pipeline and wellbore are calculated. 结果表明,随着地面注汽管线和井深的增加,过热蒸汽的过热度和压力明显下降。
