The reservoir information from flow response on condition of stable bottom hole pressure helps to determine reservoir information.
定井底流压下流量响应所反应出的油藏信息，有助于确定油藏参数。
Mainly used for high pressure or flow resistance of the working conditions, but also can be used as the bottom discharge valve.
主要用于一些高压差或流阻小的工况，也可作为釜底放料阀使用。
In order to explore the effect of ambient pressure on jet flow field in deep well and ultra-deep well, a physical model for flow field of confined water jet at bottom hole was established.
考虑到深井、超深井中井底围压对射流流场有一定的影响，建立了井底受限射流流场的物理模型。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
Under the conditions of constant pressure boundary, when the time approaches to infinity, the curve between the flow rate and the bottom hole pressure is so called conventional IPR curve.
对于定压边界，当时间趋向于无穷大时，气井产量与井底压力关系曲线即是我们常用的IPR曲线（不妨称为常规IPR曲线或稳定IPR曲线）。
Air core comes into being because of central minus pressure and goes through the hydrocyclone from the overflow gate to the bottom outlet after the flow field become steady.
其内部由于中心负压而形成空气柱，当流场稳定后，该空气柱从底流口到溢流口贯穿始终。
On the basis of new research results in vertical multiphase flow and taking into account our oilfield conditions, a method for predicting flowing bottom-hole pressure in pumping Wells is presented.
以多相流理论为基础，结合我国油田的具体情况，介绍了一种计算抽油井井底流压的方法。
The flow rate of reservoir crude depends on bottom-hole pressure, reservoir pressure, rock permeability, and the viscosity of the oil.
储集层里原油的流速取决于井底压力、油层压力、岩石渗透率和原油粘度。
Thee flow rate of reservoir crude depends on bottom-hole pressure, reservoir pressure, rock permeability, and the viscosity of the oil.
译：储集层里原油的流速取决于井底压力、油层压力、岩石渗透率和原油粘度。
According to many affection factors such as fractures space and number, etc, the bottom-hole pressure and fracture flow rate distribution of horizontal well are analyzed in this paper.
针对裂缝间距和裂缝条数等影响因素，对水平井井筒压力和不同裂缝的流量进行了分析。
According to many affection factors such as fractures space and number, etc, the bottom-hole pressure and fracture flow rate distribution of horizontal well are analyzed in this paper.
针对裂缝间距和裂缝条数等影响因素，对水平井井筒压力和不同裂缝的流量进行了分析。
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