The triple-point trajectory characterizing Mach reflection locates downstream of the right corner in the horizontal branch.
水平支管中马赫反射三波点迹线始于右尖点下游。
The moment-curvature relationship chosen is assumed to have a horizontal branch beyond yield, with the moment remaining constant at the ultimate value.
所选用的弯矩-曲率关系是假定超过屈服后有一个水平段，即弯矩保持在极限值不变。
Developed excogitates of two decumbence and one horizontal molding die realized the increasing height of branch pipe of heat pressure tee.
研发出了两个横梁和一个水平成型模具，实现了热压三通支管高度的增加。
Radial horizontal well is the most complicated one in horizontal well series, it has a major horizontal section and one or several branch sections.
辐向水平井是水平井系列中的高难度井，它除了有一段水平井段外，还有另外一条或多条分支井段。
The productivity formulas of branch horizontal wells which have or not have common joint are derived by applying conformal transformation and isopleth map of percolation resistance force.
运用保角变换和等值渗流阻力推得分支水平井（有公共点或没有公共点）产能公式。
Making use of horizontal pinnate branch well to develop and utilize coal seam gas, is a new drilling technique, which is different from horizontal drilling and has its own uniqueness.
利用水平羽状分支井来开发利用煤层气，是一项新的钻探技术，它有别水平钻井，有其独特性。
The branch may be vertical, horizontal, inclined, or any combination of the three.
支井可以是垂直的、水平的、倾斜的、或这三种的任一组合。
In this paper, the differential equation for the frictional resistance on the drill string in branch horizontal Wells was established and the total drill string friction during tripping was got.
本文建立了在水平分支井眼中的钻柱摩擦阻力微分方程，并得到了在起、下钻过程中钻柱的总摩阻。
By using compressed air as conveyance power and millet as a transport medium in horizontal Y-shaped branch pipes, the solid flow distribution characteristics of the above pipes were studied.
以压缩空气为输送介质，粒径相同而密度不同的小米和空心玻璃珠为输送物料，在水平变角度Y型分支管气力输送试验台上对气固两相的流量分配特性进行了研究。
Both ends of the three-tiered water collecting branch pipe respectively communicate with the corresponding three-tiered horizontal water collecting pipe on both sides.
三层集水支管的两端分别与两侧相应的三层水平集水管相连通。
To increase output of coalbed gas well, we have designed and drilled Lan M1-1 coalbed gas multi-branch horizontal well. With a large coalbed gas reserves, the buried depth is about 900 m.
为开采煤层气提高煤气产量，设计钻探了岚m 1 - 1煤层气多分支水平井，该井煤层气储量大，埋深在900 m处左右。
The flow rate for the branch horizontal well increases when the number of wellbores is larger.
井筒数越多，分支水平井流量越大。
Studying on productivity evaluation and parameters optimization of multi-branch horizontal well is the front subject of this technique.
而针对多分支水平井产能评价与参数优化设计研究则是该技术的前沿课题。
The varied types of horizontal plane, vertical plane and branch member of the steel microwave tower are compared to find their influences on the standardized design and cost.
分析了钢结构微波塔平面、立面和腹杆选型对其标准化设计及经济性的影响。
TK908DH is the first dual branch horizontal well in Tahe Oilfield. It is the deepest in vertical depth in China.
TK 90 8dh井是塔河油田第一口双分支水平井，同时也是国内垂深最深的一口双分支水平井。
Meanwhile, a lot of regularity knowledge is got from the research which can provide the technical basis of the completion optimization studying of multi-branch horizontal well.
同时得到了大量规律性的认识，为研究多分支水平井完井优化提供了技术基础。
Therefore, Studying on productivity evaluation and parameters optimization of multi-branch horizontal well is important for enhancing oil recovery and integral exploitation benefit of oilfields.
因此，研究多分支水平井产能评价与参数优化对提高采收率及油田整体开发效益具有十分重要的意义。
Therefore, Studying on productivity evaluation and parameters optimization of multi-branch horizontal well is important for enhancing oil recovery and integral exploitation benefit of oilfields.
因此，研究多分支水平井产能评价与参数优化对提高采收率及油田整体开发效益具有十分重要的意义。
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