启动压力梯度

启动压力梯度动态变化对IPR方程影响分析

Effect of Starting Pressure Gradient Dynamic Change on IPR Equation

某低渗透油田的测试分析结果表明，该IPR方程能有效评价启动压力梯度动态变化对油井动态的影响。

The testing results of a low permeability reservoir indicate that this IPR equation can effectively evaluate the impact of starting pressure gradient on inflow performance .

未知油藏参数（h、Φ、Ct）时，采用两次开井生产，两次关井测稳态井底压力或岩心生产端压力方法，可以计算出岩心和油藏的启动压力梯度。

If these reservoir parameters are unknown , adopting dual opening and closing in procedure to measure bottom hole stable pressure or pressure of producing end of core .

基于考虑启动压力梯度和介质变形特性的单相流渗流方程，建立了适应于低渗透油藏油井的产能方程，并给出了低渗透油藏单相流IPR预测方法。

Based on the flow equation concerned on threshold pressure gradient and deforming media , this paper productivity equation and IPR forecasting method for low permeability reservoir .

利用渗透率小于1×10-3μm2的油层岩样，试验研究了地层油通过岩石渗流启动压力梯度的影响。

Rock samples with permeability less than 1 × 10 ~ - 3 μ m ~ 2 are used to conduct an experimental study on the effect of start-up pressure gradient of in-place oil percolating through rocks .

使用建立油气渗流数学模型的一般方法，通过在动边界上引入合理的Stefan条件，建立了考虑启动压力梯度带Stefan条件的动边界模型；

The paper discuss the following content mainly : 1 . Using the general method to set up fluid flow through low-permeability media mathematics model and considering the influence of threshold pressure gradient , we set up a moving boundary model with Stefan condition .

考虑启动压力梯度的低渗透油藏不稳定渗流模型

Unsteady seepage model for low permeability reservoir with threshold pressure gradient

研究了考虑启动压力梯度的非线性稳定渗流问题。

The non-linear stable flow considering threshold pressure gradient is studied .

考虑渗流启动压力梯度对复杂断块油藏面积波及效率和纵向波及效率的影响研究。

Start-up pressure gradient affect sweep efficiency and vertical sweep efficiency .

启动压力梯度对压裂井生产动态影响研究

Effect of starting pressure gradient on the production performance of fractured wells

低渗透油藏启动压力梯度的简单测量

Simple measuring of starting pressure gradient of low permeability reservoir

存在启动压力梯度时储层动用半径的确定

The determination of drainage radius for reserviors with a start-up pressure gradient

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。

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

低渗透油藏存在显著的应力敏感效应和启动压力梯度。

Stress sensibility and start-up pressure gradient lie in low permeability reservoir .

低渗透介质含启动压力梯度一维瞬时压力分析

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

严重非均质油藏启动压力梯度变化趋势研究

Tendency of Starting Pressure Gradient Changes in Heterogeneous Reservoirs

有启动压力梯度渗流的数学模型

Mathematical Model of Fluid Flow in Porous Media Related to Start-up Pressure Gradients

油气储层渗透率应力敏感性与启动压力梯度的关系

The relationship between stress - sensitivity permeability and starting pressure gradient of reservoir

低渗气藏启动压力梯度研究与分析

The study and analysis of starting pressure gradient in low permeability gas reservoirs

特低渗油藏启动压力梯度新的求解方法及应用

A new solution and application of starting pressure gradient in ultra-low permeability reservoir

低渗油藏中含启动压力梯度水平井生产动态

The Performance of a Horizontal Well With Starting Pressure Gradient in Low Permeability

普通稠油启动压力梯度表征及物理模拟方法

The method of characterization and physical simulation of TPG for ordinary heavy oil

基于启动压力梯度的低渗透砂岩储层分类研究

Study on Classification of Low-Permealility Sandstone Reservoirs Based on the Starting Pressure Gradient

结合油田实际，说明了启动压力梯度在特低渗透油气藏开发中的应用。

Finally , the application of TPG in ultra-low permeability reservoir exploitation is described .

径向基函数神经网络在启动压力梯度预测中的应用

Application of Radial Basic Function Neural Network on the Prediction of Starting Pressure Gradient

致密砂岩储层近井区启动压力梯度的存在原因探讨

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

结果表明，随着启动压力梯度的增大，影响程度越来越强。

Results indicate that the more start-up pressure gradients , the more affection degree .

利用启动压力梯度计算低渗油藏极限注采井距

Calculating the limit injector-producer distance in low permeability pool by with start-up pressure gradient

低渗多孔介质非达西渗流启动压力梯度存在判识

Criterion of starting pressure gradient existence of non-Darcy flowing in low permeability porous media

一般认为，低渗油藏渗流过程中不遵循达西定律，表现为：存在启动压力梯度；

Generally , percolation in low permeability reservoirs does not follow Darcy 's law .