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环空中

环空中

环空中

环空中

3

The float shoe prevents reverse flow, or U -tubing, of cement slurry from the annulus into the casing .

浮鞋能够防止环空中的水泥浆向套管内流动这种回流或者 U 型管效应的发生。

4

When making a connection, wellhead back pressure is caused by pumping drilling mud in annular through automated pump .

接单根过程中利用回压泵向环空中泵入钻井液产生的井口回压控制井底压力。

6

Flow rate distribution of the non-steady flow of second-order fluid in eccentric annulus with the inner cylinder reciprocating axially

二阶流体在内管做轴向往复运动的偏心环空中非定常流的流量分布

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Pressure drop of flow of PAM aqueous solution in concentric annuli with isometric ring slots on the inner cylinder

聚丙烯酰胺水溶液在内管带有等距环槽的同心环空中流动的压降

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11

Stability parameter of Newton helical flow in eccentric annuli with the inner and outer cylinders rotating simultaneously

流体在内外管同时旋转的偏心环空中螺旋流的稳定性参数

14

The secondary flow in Newtonian fluid flow in annulus with the inner cylinder executing a planetary motion

流体在内管做行星运动的环空中流动的二次流

15

Numerical analysis of laminar viscous non-Newtonian liquid axial flows in eccentric annuli

偏心环空中非牛顿流体轴向层流的数值分析

16

Study on Transmitting Rules of Wellhead Hydraulic Pulse Pressure along Well Annular Space

井口脉冲压力在环空中传播规律分析

17

Velocity distribution of fluid in eccentric annuli with the inner cylinder reciprocating axially

流体在内管做轴向运动的偏心环空中的速度分布

18

Computer emulation of power-law fluid and Bingham fluid in eccentric annulus

宾汉、幂律流体在偏心环空中流动的计算机仿真

19

Temperature Distribution of Bingham Fluid in Annular Duct

宾汉流体在环空中温度分布规律研究

20

Numerical simulation of power-law flow in eccentric annulus

幂律流体在偏心环空中流动的数值模拟

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