Influencing factors of deliverability of horizontal wells in carbonate gas condensate reservoirs 碳酸盐岩凝析气藏水平井产能的影响因素
The Correlation Between An English Learner s Lexical Phrase Size and His Sentence-producing Competence; Deliverability Evaluation of Perforated Horizontal Gas Well in Anisotropic Formation 句子产出水平与词块能力相关性研究各向异性射孔水平井气井的产能评价
An early forecast model of gas well deliverability of the Carboniferous gas reservoirs in East Sichuan 川东石炭系气藏气井产能早期预测模型
Application of skin factor in the deliverability testing of horizontal wells in gas reservoir 气藏水平井产能试井中表皮系数的应用
The deliverability equation of gas reservoirs with deformable porous medium considering the influence of irreducible water 考虑束缚水影响的变形介质气藏产能方程
The influence of stress sensitivity of abnormal high pressure and low permeability gas reservoir on the deliverability of a gas well 异常高压低渗透气藏储层应力敏感对气井产能的影响
Deliverability Evaluation of Perforated Horizontal Gas Well in Anisotropic Formation 各向异性射孔水平井气井的产能评价
When studying the conventional deliverability analysis of the tight gas reservoir, the tight gas reservoir will always need long test time to stabilize due to its low permeability. 对致密气藏进行常规产能分析时,由于渗透率极低,要达到稳定通常需要很长的测试时间。
This phase change will influence deliverability of condensate gas well in two respects: First, relative density of fluid in gas phase will lower, resulting in relevant changes of its viscosity and Z-factor. 这种相态变化对凝析气井产能存在两方面的影响:一是气相流体相对密度降低,其粘度、偏差因子等也随之发生变化;
To solve the problems mentioned above and based on gas well transient flow theory, this paper takes use of reservoir characteristic parameters of the single-well to deduce the time of reaching the pseudo-steady-state, then to calculate deliverability and open flow potential of gas well from this time. 针对上述问题,从气井渗流理论出发,利用单井储层特征参数,推导计算气井达到拟稳态的时间,再利用该时间计算气井的产能及无阻流量。
A simple method for establishing binomial deliverability equation of gas well 建立气井二项式产能方程的一种简单方法
Studies are made as follows: On the base of the material balance theory, by combining the deliverability equations of gas wells with the theories about wellbore hydromechanics, performance prediction models are built respectively for constant-volume gas reservoirs and water drive ones and abnormally pressured ones; 主要完成了以下工作:基于物质平衡原理,结合气井产能方程和井筒流体力学的相关理论,分别建立了定容封闭气藏、水驱气藏和异常高压气藏的生产动态预测模型;
In order to meet the requirements of deliverability calculation, formula for calculating deliverability of horizontal gas wells are established through improving the analytical formula for calculating deliverability of horizontal oil wells. 为满足气藏水平井产能计算的需要,文章对油藏水平井产能解析式进行了改进,提出了适用于气藏的水平井产能计算公式。
The methods of determining gas well deliverability and of choosing and calculating geological parameters are introduced in the paper. The initial binomial open flow capacity, stable production and primary gas productivity index are adopted as the criteria of evaluating gas well deliverability. 介绍了气井产能的确定方法及地质参数的选择与计算方法:采用初始二项式无阻流量、稳定产量及初始采气指数作为气井产能评价的指标;
Non-Darcy binomial deliverability testing formula of horizontal gas wells 气藏水平井非达西流动二项式产能试井公式
Difference lies between deliverability analysis of gas well and oil well in judgment of hole stability, sand prediction and deliverability equation. 气井产能分析与油井产能分析相比有其特殊性。定向气井与垂直气井无论是在井壁稳定性判断、出砂判断还是产能方程上都有不同。
This study provides basis for understanding the change of gas well deliverability and is of significance to condensate gas production. 此项研究对正确认识凝析气井的产能变化提供了依据,也对正确指导凝析气井的生产具有重要意义。
Deliverability test of gas wells takes the stable filtration theory as its basis and is aimed at defining the deliverability equations and rational production schemes for gas wells and predicting the production decline of gas wells along with the depletion of gas reservoirs. 气井产能测试以气体的稳定渗流理论为基础,目的是确定气井的产能方程和合理的生产制度,预测气井产量随着气藏衰竭而下降的方式。
This paper also explains how to determine the equations of steady gas production, formation permeability and other properties. In the end, several methods for comprehensive deliverability evaluation are put forward, which are of general significance for the development of low permeability oil and gas fields. 还说明了稳定产气方程的确定过程和如何利用不稳定试井曲线研究地层渗透性及其他性质,最后给出了综合产能评价的几个具体方法.这些方法对低渗透油藏的开发有着普遍参考意义。
Deliverability analysis of gas wells plays a very important role in the process of gas field development and is aimed at establishing a deliverability equation suitable for the gas reservoirs. Deliverability analysis of gas wells is carried out in two main steps, i.e. deliverability test and analysis. 气井产能分析在气田开发过程中起着十分重要的作用,其目的就是得到适合气藏的产能方程,气井产能分析主要分为气井产能测试、气井产能分析两个阶段。
Geological factors affecting gas well deliverability of the Carboniferous gas reservoirs in East Sichuan 影响川东石炭系气藏气井产能的地质因素
The characteristics of the geological parameters affecting gas well deliverability are analyzed and a correlation analysis of the gas well deliverability with the geological parameters is finished. 分析了影响气井产能的地质参数特征,完成了气井产能与地质因素的相关分析。
Comparing the other formulas, such as the deliverability formula of horizontal gas wells derived by Joshi 'formula, the new formula taking the characteristics of horizontal gas wells into full consideration can describe the percolation law of horizontal gas wells more accurately. 这些新公式充分考虑了水平气井的特点,较之其它文献,如据Joshi公式导出的气藏水平产能公式,更能准确地反映水平井的渗流规律。
A new method of computing the binomial deliverability coefficient of gas well 确定气井二项式产能系数的新方法
As the gas flow equations of gas reservoirs are quite different with the liquid flow equations of oil reservoirs, the formula for calculating the deliverability of horizontal oil wells cannot be directly used for horizontal gas wells. 由于气藏中气体的流动方程和油藏中液体的流动方程具有很大的差异,所以油藏中的水平井产能计算公式不能直接应用于气藏。
The result shows that stress sensitivity seriously effects the deliverability of fractured gas reservoir, and the deliverability equation of low-pressure can better evaluate the effect of stress sensitivity on gas production. 研究结果表明,压敏效应对裂缝性储层气井产能影响严重,采用低压气井产能公式能较好的评价压敏效应对裂缝性储层气井产能的影响。