Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
Therefore, the impact of starting pressure gradient must be considered when analyzing the productivity of vertical fracture well in low permeability reservoir.
因此，在进行低渗透油藏垂直裂缝井产能分析时，必须考虑启动压力梯度的影响。
The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model.
给出了极限井底流压和产量拐点的求解方法，分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。
Experiments show that a low permeable reservoir has a starting pressure gradient, and therefore different seepage rule from that of middle and high permeable reservoirs.
实验表明，低渗透油藏具有启动压力梯度，因此其渗流规律与中、高渗透油藏不同。
Structure uplifting in Late Cretaceous made present reservoir pressure be normal-abnormal low.
晚白垩系构造抬升降压，使得现今储层为正常—低异常压力。
Reservoir pressure can be divided into normal pressure, abnormal high pressure and abnormal low pressure in terms of the ratio between formation pressure and hydrostatic pressure.
根据地层压力与静水压力的比值大小，可将地层压力分为异常高压、异常低压和正常压力三种压力状态。
It was difficult for pulse testing in the low permeability reservoir, selection of calculation point of pulse directly affected the interpreting results of pulse pressure response curves.
低渗透油藏脉冲试井难度大，脉冲计算点的取法直接影响脉冲压力反应曲线的解释结果。
And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propagating velocity.
低渗透油藏比中高渗透油藏的压力波传播速度慢。
The original elastic energy in low permeability reservoir is generally small, so all the oil fields early or late adopt water flooding to keep the pressure of the low permeability reservoir.
我国低渗透油藏的天然弹性能量普遍较小，所以基本上都先后采取了注水保持压力的开发方式。
The Cretaceous low resistivity reservoir in Junggar basin is characterized by high porosity, high permeability, low salinity of formation water, low formation pressure and low resistivity.
准噶尔盆地白垩系油气藏具有孔隙度、渗透率高，地层水矿化度、压力系数和电阻率低等低电阻率油气藏的基本特征。
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.
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。
In Kuche area, the sandstone reservoir is characterized by low porosity, low permeability and high pressure, and pore texture is complex, so, it is very difficult for reservoir log evaluation.
库车地区砂岩储层以高压低孔隙度低渗透率为显著特征，且储层结构复杂，给储层测井评价带来很大困难。
Abnormally low pore pressure might occur in areas where fluids have been drained, such as a depleted hydrocarbon reservoir.
异常的低孔隙压力可发生于流体已排泄的地区。如一个衰竭的油气储层。
Intermittent flow is caused by low reservoir pressure and permeability in slowly but steadily draining formation.
间歇自喷由缓慢、稳定排油地层的低地层压力和低渗透率所致。
A new adjustable way was developed first time which use cluster well to decrease drilling cost and increase benefit in deep imbedded, low permeability, high pressure reservoir.
首次提出在深层高压低渗油藏采用分支井技术降低钻井成本、提高开发效益的调整手段。
Swelling, cracking, dispersion, migration and plugging of clay minerals are the main factors of the reservoir damage in high-pressure low-permeability reservoirs.
粘土矿物的膨胀、破裂、分散、运移和堵塞是对高压低渗油藏储层伤害的主要因素之一。
According to fact condition, check valves and solenoid valves are selected, hydraulic pressure pumping station which provides high reservoir and low reservoir for hydraulic system is designed.
根据实际情况选择了单向阀和电磁阀，设计了液压泵站，为整个液压系统提供了高压源和低压源。
Formation of Tuha oilfield belongs to low pressure and bad reservoir property which makes conventional combing tech of testing and perforation not being suit for need of production of oil well.
吐哈油田地层压力较低、储层物性较差，且要进行上返试油的井采用常规测试射孔联作技术已不能满足生产需要。
Wen 88 block is a typical abnormal high pressure and low permeability oil reservoir, exploited by natural gas drive technique.
文88块是利用天然气驱开发的一个典型的异常高压低渗油藏。
Method Using analysis of reservoir fluid characteristics, petrophysical properties, such as high pressure, of crude and condensate gas from Baozhong low permeability reservoir have been studied.
方法应用油气藏流体特征的分析对宝中区块低渗储层的原油及凝析气的高压物性等进行分析研究。
There exist non Darcy's flow and starting pressure in a low permeability reservoir according to analyses of experiments and effect of low velocity non Darcy's flow.
低渗透油气藏存在不符合达西定律的渗流，从大量实验和产生低速非达西渗流的影响因素分析，低渗透油气藏确实存在启动压力。
Xujiahe sandstone formation is a set of typical low pressure and tight gas reservoir in the Hebaochang-Jishichang Area between central and southern Sichuan Basin.
四川盆地川南、川中过渡带荷包场—界石场地区的须家河组砂岩储层是一套典型的低压致密储集层。
Gas reservoir in Xujiahe Section 2 in west Sichuan are low porosity, low permeability, deep, high formation pore and fracture pressure, etc.
川西须家河组2段气藏属于低渗低孔致密深层气藏，地层压力和破裂压力高。
In low and ultra-low homogeneous reservoir start-up pressure have an impact on the flow rate, reservoir production decline law, water production laws and injected water sphere of influence.
低和特低均质储层中的渗流启动压力对渗流速度、油藏产量递减规律、产水规律和注入水的波及范围都有影响。
It is indicated that the main factors affecting low permeability gas reservoir are stress action, start-up pressure gradient, permeability, slippage effect, and water blocking effect etc.
结果表明影响低渗气藏的主要因素有应力作用、启动压力梯度、渗透率、滑脱效应、水锁效应等。
In accordance with the complex physical characteristics of the pressure and low permeability gas reservoir in Tabamiao block of Erdos, a set of practical and feasible protection plan is recommended.
针对鄂尔多斯塔巴庙区块低压低渗气藏物理特性复杂的情况，推荐一套切实可行的气层保护方案。
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.
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。
This paper introduces the features of coal-bed gas reservoir, and points out that most of coal-bed gas reservoir in China are of low pressure, low permeability and low productivity.
介绍了煤层气储层特点，指出我国煤层气储层多为低压、低渗透、低产能的。
The pressure sensitiveness of gas reservoir with low permeability is one of main factors resulting in gas formation damage during drilling.
低渗气层压力敏感性是钻井过程中造成气层损害的主要因素之一。
The pressure sensitiveness of gas reservoir with low permeability is one of main factors resulting in gas formation damage during drilling.
低渗气层压力敏感性是钻井过程中造成气层损害的主要因素之一。
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