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- Reservoir pressure decline,the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s... 疏松砂岩油藏开采过程中,油层压力下降和采油速度的增加以及岩石结构的破坏,是造成油层岩石微细粒运移和油井出砂的主要原因。
- Reservoir pressure decline 地层压降
- Reservoir pressure is approximately 2,150 p.s.i.. 油层压力大致为2,150磅/英。
- With the decline of reservoir pressure and oil saturation, water cut became high and the gas - oil ratio was lowed, so the production benefit got worse. 蒸汽吞吐中随着地层压力的降低和地层含油饱和度的减少,周期含水上升,油汽比下降,开采效益变差。
- Good results have been achieved in the pressure decline analysis of the acid fracturing well in Tahe Oilfield. 将该方法应用到塔河油田酸压井的压降曲线分析中取得了较好的效果。
- The pressure decline analysis and evaluating techniques for acid fracturing wells develop quite slowly. 油气酸压井压后的压力递减分析和评估技术,发展相对比较缓慢。
- In addition, in acute stroke the circadian BP rhythm is disrupted, and there is a reduced physiological night-time pressure decline. 翻译:此外,急性卒中后患者血压的生理性节律遭破坏,因而生理性夜间血压降低程度将减低。
- Put forward the means of compartmentalizing the flow type and the universal formula for the pressure decline of gas-liquid . 分析得出了气液两相流型划分的方法;推导出了气液两相压降计算的通式。
- Abstract: Reservoir pressure and temperature decrease radially to the borehole after the gas wells were put into production. 文章摘要: 元素硫是高含硫气藏开发的有害物质。
- It is easy to infer that, to drill safely, the Hydrostatic Pressure exerted by the Drilling Mud column must slightly overcompensate the Reservoir Pressure. 通过以上实验,可以很容易做出如下推断:为安全钻探起见,钻井液柱施加的流体静压力必须对储集层压力进行稍加过度补偿。
- For a new well, it is an important work to determine initial reservoir pressure, effective permeability, summary skin coefficient, supplementary pressure loss and flow efficiency. 对于一口新井,确定原始地层压力、有效渗透率、总表皮系数、附加压力损失和流动效率,是试井的重要任务。
- Finally,shallow gassy sand's gas reservoir pressure characteristics with SWCC are analyzed and forecasted,and it's conservative if the same thing is done b... 应用所得持水特征曲线进行含浅层气砂土中气藏压力状态的分析预测,结果表明使用无围压下持水特征曲线进行预测是偏于安全的。
- During practical production,due to heterogeneity and control ascending of water cut latterly,reservoir pressure will be below bubble point pressure locally. 在实际生产过程中,由于储层非均质性,以及开发后期为了控制含水的上升,油藏中局部地区的压力会降到饱和压力之下。
- The paper has expounded components and several types of coal bed gas and analys ed the influences of microlithotype, matur ity, reservoir pressure and so fort... 对分析煤盆地间、钻孔间以及煤层间煤层气成分的变化具有重要意义。
- Voltage regulation water injection in an oilfield is the precondition and inportant assurance to assure the reservoir pressure and realize stable yields. 油田稳压注水是保证油层压力,保证油田稳产的前提和重要保证。
- Simulation experiment was carried out on composition changes of air and crude oil in low-temperature oxidization (LTO) at reservoir temperature and reservoir pressure. 摘要通过空气与原油在油藏温度和一定压力下低温氧化过程的模拟实验,对反应前后气体与原油的组成进行分析。
- In the depressurization method, hydrates dissociate by means of decrease the reservoir pressure, and the effect on the gas production by several pressure drops is studied. 中文摘要本研究目的是利用天然气水合物之物理及化学特性而研究其熔化机制,并估算热采收法及减压法之天然气生产采收量。
- Especially to old people, the heart function fails, vascular sclerosis and blood pressure reflect the regulating function obstacle, blood pressure decline appear more if doing a sport after the meal. 特别是老年人,心功能减退、管硬化及血压反射调节功能障碍,餐后多出现血压下降等现象。
- The post section of buildup curves is in decline due to disturbance from offset wells, which represent the pressure decline status in the whole oil region.The analysis of the dist... 利用干扰试井资料对生产井间的干扰影响程度进行的分析表明,该油藏是一个渗透性高、裂缝连通性好的高渗透裂缝系统的油藏。
- So the gradient of pressure decline in vertical well section and deviated well section is different, it aroused the gradient of fluid viscosity in the two sections has differentia. 在稠油流动过程中,压力损失主要表现为摩阻损失,因此,在定向井中,直井段和斜井段的压降梯度有所不同,流体粘度梯度在直井段和斜井段也有差异。