Drilling parameters typically include flow rate, pump pressure, standpipe pressure (SPP), pipe rotation (RPM), weight on bit (WOB), rate of penetration (ROP) and pit volume (PVT).
流量、泵压、钻压以及机械钻速等常用钻井参数还可用于监测井涌和泥浆漏失。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。
When the pump is first started, rotation of gears forces air out the casing and into the discharge pipe.
当泵首次启动时，齿轮的旋转迫使空气离开壳体进入排油管。
The ratchet type bent pipe wrench with repositioning rotation function is applied for fast tyre assembling and disassembling operation.
本发明令弯管扳手具有复位转动功效，以达到更快速的轮胎锁、卸作业。
The movable matrix module of the bending die for round pipe was drawn precisely according to the rotation property of the particle.
按质点的转动性质精确绘制出圆管弯曲模活动凹模模块，便于数控线切割机一次完成凹模加工，缩短了制模周。
In pipe laying and lifting analysis, the contact condition between pipeline and seabed, including deflection, rotation Angle and bending moment, is sometime tricky in a normal mechanical model.
海底管道的铺设分析和提升分析都用到管道和海床之间的接触条件，这个同时含有挠度、转角和弯矩的接触条件，在一般的力学模型中是很难理解的。
Then rotate the screw up so the rotation line lines up with the pipe you created in the previous step.
然后旋转螺钉，旋转线和你在上文中做出的线一致。
A first joint pipe extending downward from the rotation regulating component and a display mounting component.
法兰件，所述法兰件与上部接合部件联结以便支撑旋转调节部件；
It has proceeded the numerical simulation in the inner of rotation-starting pipe and considered the influence of turbulence effect.
在局部起旋管段内部进行数值模拟，考虑水流紊动效应的影响。
Resistance in the outlet pipe is too large. The rotation direction is wrong. The impeller is stagnated.
出水管阻力太大，旋转方向不对，叶轮淤塞。
For co-rotation and counter-rotation in which the centrifugal force dominates the flow, the secondary flow in a rotating helical pipe has the same direction with that in a stationary one.
对于正旋转和离心力占优的负旋转，二次流速度的方向和静止的情况相同；
The device comprises an alkali feeding pipe, an acid feeding pipe, a mixing chamber, a rotation mixing chamber, and a nozzle.
该装置包括有进碱、酸管，混合室，旋混室和喷嘴。
The utility model discloses an air filter, which relates to the absorption technology of charcoal (9), a rotation shaft (4) is connected with a propeller (2) through a gas pipe (13);
一种空气过滤机，它涉及炭（9）的吸附技术，转动轴（4）穿过输气管（13）与螺旋桨（2）相连。
Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔内气体压强减小进入，模型存在缩尺效应。
Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔内气体压强减小进入，模型存在缩尺效应。
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