The absolute open flow of natural gas wells is an important index reflecting the potential productivity of gas wells and an important basis to determine the yield of gas wells scientifically and rationally.
天然气井绝对无阻流量是反映气井潜在产能的重要指标,是科学、合理地确定气井产量的重要依据,该指标目前广泛采用一点法产能试井方法来确定,而一点法产能试井资料的解释普遍采用经验方法。
The BP artificial nerve network method is only in want of the primary data of the target gas well when forecasting absolute open flow and much practical testing data of a few gas wells as the samples in the same reservoir.
与现在流行的求取压裂气井无阻流量的方法相比,BP人工神经网络方法具有极大的优越性和适用性,它勿需考虑压裂后气井的复杂渗流规律,也不需数值模拟。
Absolute open flow is a important index of appraising oil/gas well production capacity,and often used in oil/gas well classification、proration and dimensionless parameters in other equations and so on,it denotes oil/gas productions under full openness of well bottom.
无阻流量是评价油气井生产能力的重要指标,也常用于油气井分类、配产和其它公式中参数的无因次化等,它表示井底在完全敞开的情况下油气井的产量。
Influence factors of open flow potential in condensate gas well;
凝析气井无阻流量影响因素分析
One of the most important means for effective recovery of gas reservoir during its middle and late development stage is to calculate the open flow potential,investigate the deliverability and thus to adjust working condition of gas wells.
在气藏开发中后期生产管理中适时确定生产井的无阻流量,了解生产井的生产能力,及时调整生产井的工作制度是合理开发气藏的主要手段之一。
For gas well, the open flow potential of exploration well according to the gas open flowback production is estimated firstly.
对于探井依据放喷排液时的产气量,初步估算测试井的无阻流量,若太原、山1、山2、盒1无阻流量估算大于3×104m3/d,盒2、盒3层无阻流量估算大于5×104m3/d,则进行修正等时试井,否则只进行"一点法"试井。
Gas well open flow capacity is an important basis of determining gas well reasonable yield, and is also the main considerable factor of formulating development technological countermeasure.
气井无阻流量是确定气井合理产量的重要依据 ,也是制定开发技术对策的主要考虑因素 ,如何在气田开发早期或勘探评价阶段就准确获知气井无阻流量 ,是我们研究的重要课题。
A new method is introduced in this paper to determine absolute open flow capacity of gas wells.
在气井二项式产能方程的基础上,提出了利用单点测试资料建立气井产能方程、确定气井绝对无阻流量的新方法。
The purpose of this study is to enhance the accuracy in determing open flow capacity values of gas wells in Lower Paleozoic of Changqing gas field by "single point testing" method.
使单点法确定的气井无阻流量误差一般小于 10 %。
Steady-state productivity model for fractured gas well andvarying factor single point method for computing open-flow capacity;
气井压后稳态产能模型及求取无阻流量的变系数一点法
Based on these,the applied conditions for the 4 methods are presented,which is as a guide for determination of open-flow capacity in different oil wells.
讨论了4种确定气井无阻流量方法的理论依据和实际意义,计算精度与应用条件,优点与不足,不同方法之间的内在联系。
Period of processing of the multi-input nonblocking series production lines;
多入口无阻塞串行生产线的生产周期
It supports strictly non-blocking for unicast traffic and re-arrangeably non-blocking for dual-cast.
它可以支持严格无阻塞的单播业务,也可以支持重配置无阻塞的双播业务。
In this paper,we study the non-blocking optimal control and scheduling problem of the multi-entry and multi-outlet serial production lines with finite buffers,and give state equation and optimal control,then give performance of production lines by using the row-difference monotonicity of matrix in the sense of max-algebra.
研究了带有限缓冲器的多入口多出口串行生产线的无阻塞最优控制与调度问题,得到了生产线的状态方程及最优控制,然后用极大代数上矩阵的行差单调性理论给出了生产线的性能分析,最后解决了系统的最优调度问题。
Based on the dynamic characteristic of an original model, the transform analysis of undamped system equation is performed with the frequency characteristic functions at designated modification freedoms, and the general expressions of local mass and stiffness parameters are derived.
该方法根据原结构模型的动态特性,利用与调整点自由度相关的频率特性函数,通过对无阻尼自由振动方程的推导,给出结构局部质量或刚度调整的通解。
The realization of smooth operation is an urgent problem in its construction.
结合新亚欧大陆桥在开通以来的运营实践中暴露出来的涉及政策、法规等软件方面和涉及硬件投入方面许多问题,认为实现新亚欧大陆桥无阻碍运行,是目前新亚欧大陆桥建设中一个刻不容缓的问题。