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 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。
The spread range gets smaller because of threshold pressure gradient, and there will be a additional pressure drop in the bottom of the well because of the skin damage.
启动压力梯度使压力波传播范围变小，井底污染会造成一个附加压力降。
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。
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。
By assuming the existence of mercury-ejection threshold pressure and mercury-ejection ending for extreme low-permeable rock, a necessary correction for mercury-ejection volume was made.
在考虑退汞麻痹效应和特低渗透率岩样退汞中止点假定条件下，对退汞量作了必要的修正。
While ambient pressure is less than the threshold pressure, the effect of ambient pressure on the spray process, velocity distribution of droplets and performance of the thruster can be ignored.
当工作环境压力低于一定值时，其对喷雾过程的影响可以忽略，而推力器性能基本保持不变。
The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs are analyzed.
根据低渗透非均质油藏的特点，分析了启动压力梯度、纵向非均质性、小层厚度和平面砂体厚度展布对该类油藏开发的影响。
The second value is the threshold for a memory pressure mode to begin to apply pressure to buffer usage.
第二个值是内存压力模式开始对缓冲区使用应用压力的上限。
Objective To develope a new instrument with a pressure sensitive strain gauge for measuring the pain perception threshold of oral mucosa.
目的研制电阻应变式口腔黏膜压力测痛仪，并对正常年轻人的牙龈黏膜疼痛阈进行测试。
A displacement threshold was used to control DC upset butt welding process, and constant pressure and varied pressure tests were carried out on Q235 a steel strips.
采用位移门槛电压控制焊接过程，对Q 235 - A钢进行了变压式和等压式扁钢带直流电阻对焊试验。
MAIN OUTCOME MEASURES: The vein blood oxygen partial pressure, pyruvate and lactate contents under lactate threshold intensity and oxygen inhaling supplementary.
主要观察指标：人体组和大鼠组乳酸阈强度下及补充吸氧前后的静脉血氧分压、丙酮酸、乳酸含量。
The load reacting unit (9) preferably comprises a fluid pressure unit and the indicator (60) comprises a mechanical indicator that operates at a predetermined pressure threshold.
负载反应单元(9)优选地包括流体压力单元，指示器(60)包括在预定压力阈值下操作的机械指示器。
With ability to program these devices, reaching a threshold of pressure level indicates it is time to change the element.
通过对这些设备进行编程，当压力水平达到临界值时，就表示需要更换元件了。
The threshold of VEMP was used to determine pressure or sound sensitive vertigo;
VEMP的阈值检查主要用于压力或声音敏感性眩晕；
For a new measuring appliance, it can be useded convenientty for detection and evaluation of a patient′s pressure pain threshold value, and for the research of bodily channels and network vessels.
介绍一种能定量检测人体不同部位压痛力度的新仪器，可方便地用于病人压痛阈值的检查和评价； 用于人体经络的研究。
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
声学。测听设备校准用参照区。第1部分：纯音和耳挂式耳机的参考等效阈声压级。
Objective To investigate the relationship between taste recognition threshold to salt, salt intake and salt-sensitive blood pressure.
目的探讨盐阈、盐摄入量与血压盐敏感性之间的关系。
The valve is suitable for preventing an inner pressure within the body channel or cavity to exceed a threshold value.
所述阀适于防止身体通道或体腔的内部压力超过临界值。
The valve is suitable for preventing an inner pressure within the body channel or cavity to exceed a threshold value.
所述阀适于防止身体通道或体腔的内部压力超过临界值。
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