Based on these, the new method that pressure build-up curve associated with pressure fall-off curve to determining the productivity of gas well is proposed.
在此基础上提出了用不稳定试井资料确定气井产能的新方法，即用压力恢复曲线法与压降曲线法相结合确定气井产能的新方法。
Based on the research of gas producing method selection and optimization of production parameters at home and abroad, forecasting model of gas well productivity is optimized using field documents.
采气方式优选和生产参数优化是气井合理生产的保证，而气井产能研究是确定采气方式和优选采气参数的基础。
The abandonment formation pressure(AFP) of gas well is usually calculated by stable productivity equation and abandonment flowing bottom hole pressure.
通常人们采用气井某一时刻的稳定产能方程结合废弃井底流压来计算废弃地层压力。
Design of forgings Anneal Furnace with Natural Gas has been introduced, which has improved environment as well as forgings quality and productivity.
介绍天然气锻件退火炉的设计，改善了环境，提高了锻件质量和生产率。
Gas well productivity, influenced by many factors, is the basis of development well network deployment and rational proration.
气井的产能是开发井网布署及合理配产的依据，受多种因素的影响。
As an important index of condensate gas field development, gas well reasonable productivity is related with development level and economic benefit of gas reservoir.
气井合理产能是凝析气藏开发的一项重要指标，关系到气藏的开发水平和经济效益。
Analysis result of high productivity gas Wells in Luojiazhai shows temperature effect of well bore as the key factor affecting well head pressure.
罗家寨高产气井测试分析结果认为井筒的温度效应是影响井口压力的关键因素。
The productivity analysis method of tight gas reservoir is presented in this paper, then, we establish the optimal model of gas well productivity analysis and discuss the method to solve the model.
提出了致密气藏的产能分析方法，建立了气井产能分析的最优化模型，并讨论了该模型的求解方法。
As a productivity testing method of the gas well in low permeability gas reservoir, the modified isochronal testing has been widely applied in foreign gas fields.
修正等时试井作为适合于低渗透气藏气井产能试井的方法，在国外气田得到了广泛应用。
Workover is a very important job to maintain normal productivity of oil and gas well from start-up to depleted period and increase EOR.
修井是维护油气井从投产之日起直至枯竭这段时期内的正常生产能力，并提高油气井的最终采收率的一项重要的工艺。
By changing the initial formation of reservoir permeability and pressure, the impact of coalbed gas single well productivity was obtain.
通过改变储层渗透率和初始地层压力，分析了储层变形对煤岩气藏单井产能的影响。
Coal gas reservoir single well productivity formula was established by use of the model of reservoir permeability changes with reservoir deformation.
依据储层变形与渗透率变化关系数学模型，推导建立了考虑储层变形的煤岩气藏单井产能公式。
According to formation resistance coefficient, it has also brought forward horizontal productivity equation of water-producing gas well.
并根据地层阻力系数原理，推导出了产水气井水平井产能方程。
This method is a beneficial attempt to evaluate the gas well productivity under the special mining patterns of the Sulige gas field and proves to be simple and practical in actual USES on fields.
该方法是针对苏里格型气田特殊开采模式下气井产能评价的一种尝试，经过验证表明该方法简便实用。
Using conventional deliverability testing way to productivity of low porosity and low permeability gas well, testing time is long and cost is high.
采用常规产能试井方式确定低孔低渗气井产能，其测试时间长、成本偏高。
Through producing and well testing for many times in existent 11 gas producing wells, the gas productivity of the reservoir is relatively high.
根据现有的1 1口生产气井，经多次试井测试及生产证实，天然气产能较高。
Is there any method, which ascertain gas well productivity via unstable gas well test? At first, this thesis discusses the above problem on base of the practical open flow potential.
是否存在着通过不稳定的气井试井来确定气井产能的方法呢？本文首先在基于实际无阻流量(或称瞬时无阻流量)的概念的基础上，讨论了这个问题。
The results showed that due to those three factors, large quantity of gas is trapped in the reservoir and horizontal well productivity and gas recovery decrease.
结果表明：以上三个因素引起大量气体圈闭在该气藏中，导致水平气井产量低和气体采出程度低。
The results showed that due to those three factors, large quantity of gas is trapped in the reservoir and horizontal well productivity and gas recovery decrease.
结果表明：以上三个因素引起大量气体圈闭在该气藏中，导致水平气井产量低和气体采出程度低。
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