threshold pressure的例句大全

The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.

与水驱相比，微生物驱油可降低启动压力梯度，降低渗流阻力，扩大有效驱动距离。

While, long conductivity and threshold pressure are two keys to extra-low permeability oil reservoirs, and the two keys can influence the production and financial benefit.

同时文中还提出了，对于特低渗透油藏，必须使用长期导流能力，并且考虑启动压力带来的影响，以及这些因素对经济界限的影响。

The analysis shows that the longer the producing time, the greater the threshold pressure gradient is, and the faster the production decline is.

分析结果表明，随着生产时间增长，启动压力梯度对产量影响显著，启动压力梯度越大，井的产量下降得就越快。

An equation is also got to calculate the threshold pressure gradient in nonlinear seepage flow by analyzing to the data got form the single-phase seepage flow experiments.

通过对岩心单相渗流实验得到的数据进行分析归纳，得到了其流体非线性渗流段启动压力梯度的计算式。

Testing results indicate that the threshold pressure of jet aided drilling is 4.1 times of rock tensile strength and 26% of rock compressive resistance, also related with the bottom hole pressure difference and rock physical properties.

实验结果表明，射流辅助钻井的门限压力是岩石抗拉强度的4.1倍，是抗压强度的26%；还与井底压差及其它岩石物理力学性质有关。

Threshold pressure gradient selection in polymer flooding process

聚合物驱油过程中的阈压梯度选择

Transient Pressure of Percolation Through One Dimension Porous Media with Threshold Pressure Gradient

低渗透介质含启动压力梯度一维瞬时压力分析

Determination of threshold pressure with IPR method

利用IPR方法确定启动压力

One-dimension water-oil displacement mathematics model considering threshold pressure gradient is established.

建立了考虑启动压力梯度的一维油水两相驱替数学模型，进行了数值求解。

And this paper build the relationship formula between threshold pressure gradient and air permeability, water saturation.

并且建立了油水两相启动压力梯度与空气渗透率、含水饱和度的关系式。

Influencing Factors for Threshold Pressure Gradient near the Wellbore on Tight Sand Stones Reservoirs

致密砂岩储层近井区启动压力梯度的存在原因探讨

The relationship between permeability and the threshold pressure gradient is studied by the threshold pressure gradient experiment.

利用启动压力梯度实验，研究油层渗透率与启动压力梯度的关系；

Using speed-governed threshold pressure load inspiratory muscle training device in lung rehabilitation among COPD patients

慢性阻塞性肺疾病患者使用限速阈压力负荷吸气肌锻炼仪进行肺康复锻炼

The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.

给出了考虑注采比和启动压力梯度的平均地层压力和边界压力的确定方法。

The Experiment Study of the Influencing Factors on the Threshold Pressure and the Driving Oil Efficiency of the Low Permeability Sandstone Reservoir

低渗透砂岩储层启动压力及水驱油效率影响因素实验研究

The same rock core has a lower threshold pressure gradient when larger steady threshold seepage velocities occur.

同一块岩心在初始稳定渗流速度大的情况下，岩心的启动压力梯度小。

Many experiments justify that there is a threshold pressure gradient ( TPG) in low permeability reservoirs.

试验表明，低渗透油藏存在启动压力梯度。

The study results also show that low-permeability reservoir gas injection has a threshold pressure, and the value of this experiment is 2.48 MPa.

低渗透油藏注气存在注气启动压力，本次实验为2.48MPa。

The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.

为了研究低渗透砂岩的启动压力梯度，设计了一种非稳态渗流中测量压力的试验方法。

When the temperature increases from 700 ℃ to 800 ℃, the threshold pressure P_0 for infiltration markedly decreases.

另外预制型预热温度也对临界压力有较大影响，在温度从700℃增加到800℃过程中临界压力随着温度上升而明显下降。