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- Oil and Gas Reservoir Model for Multiplayer Channeling and Dynamic Monitor Down Hole Pressure. 多层窜流油气藏模型及井底压力动态
- The bottom hole flow physical model of a kind of PDC coring bits is established considering the effect of junk slot and teeth layout in this paper. 以一种现场常用的PDC取心钻头为原型,充分考虑排屑槽和切削齿对于井底流动的影响,建立了与实际相接近的PDC取心钻头井底流场的物理模型。
- I think IBM 150 million dollars in cash flow model Lane off too permeated. 我想IBM在150亿美元的现金流模型里过得太滋润了。
- Oriented case overshot for sidetrack drilling tech is a main component in down hole work-over operation. 定向套管开窗侧钻技术已成为井下大修作业的重要组成部分。
- MDT sampling is a new type of down hole PVT oil and gas sampling method during DST. MDT取样是在中途测试阶段进行的一种新型井下PVT油气取样方法。
- All drilling tubulars and down hole tools, including drill pipe, drill collars. Subs, crossovers, fishing tools. etc. 所有的钻井管柱和井下工具,包括钻杆钻铤、接头、配合接头和打捞工具等。
- A lot of lab study and test have been done to the problems of bad reliability and short life-span for traditional slip-type down hole chock. 针对传统卡瓦式井下节流器的“圆柱”式胶简存在可靠性差、寿命短的问题,进行了大量的室内研究实验。
- Different solutions may be exactly the same cash flow model, but it falls far short of nature caused the effect. 不同的解决办法可能会产生完全相同的现金流模式,但却导致性质上相差甚远的效果。
- To the problems occurring at using down hole mechanical sample n oil and gas wells, aptitude microelectronic high pressure sample has been studied. 针对油气井井下机械取样器在使用过程中出现的问题,研究开发出了智能型微电子高压物性取样器。
- A power flow model for analyzing multi axis off road vehicle transmission is built and the solution is given. 提出用功率流模型来分析多轴越野车的传动系统 ;建立了传动系统各主要部件模型以及整车传动系统的功率流模型 ;并给出了求解算法 .
- Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory. 地面与井下的信息传输是井眼轨道自动闭环控制的核心。
- For the calculation of the viscosity coefficient, bring in the Baldwin-Lomax algebra fast flow model. 为了计算黏性系数,引入了Baldwin-Lomax代数湍流模型。
- The down hole decentralized gas anchor is a kind of gas separator, the intake ports of which are located on the inner wall of the casing. 偏心气锚是指在弓形弹簧的作用下,将气锚的吸入口置于套管内壁附近的一种油气分离装置。
- The gas penetration in the process of gas assisted injection molding is presented by generalized Hele Shaw flow model. 基于广义Hele-Shaw流动模型描述了气体辅助注射成型时气体的穿透过程。
- The traffic environments include the motorway traffic flow model and the driver behavior model. 交通环境模拟模型包括交通流量模拟模型和驾驶员行为模拟模型。
- This paper presents a instrument which can diagnoses the down hole failure with computer system,and describes the design of its construction and applications. 这里介绍了一种采用计算机系统对井下故障进行诊断的仪器,叙述了仪器的设计结构和应用效果。
- Flue gas flow model is established based on gas flow to research the pressure distribution along the width of furnaces. 运用气体流动相关知识,建立炉气流动模型,研究沿炉宽方向上的压力分布。
- Abstract:Through an engineering practice, the application of SDDC (Super Down Hole Dynamic Compaction) on consolidating the mixed backfilling and high backfilling it introduced. [摘要]通过工程实例,介绍了孔内深层强夯技术在加固杂填土和高填方土中的应用。
- In the end, the Discounted Cash Flow model (DCF) is used to measure the value of the NPA-backed securities. 最后采用现金流贴现模型进行了不良资产支持证券的定价。
- Hole angle should not exceed 15 degrees any where in the hole unless down hole geological conditions induce such deviation, such as acute fault intersections. 井斜角在井眼任何地方不应超过15度,除非井下地质条件引发了此种偏离,如严重的断层交叉。