【Key words】 recovery efficiency； well spacing density； recoverable reserve； water-drive curve； decline method；
基于6个网页-相关网页
newton-decline method 牛顿下降法
production decline method 产量递减法
decline-curve method 递减曲线法
decline curve method 递减曲线法
pressure-decline curve method 压力递减曲线法
Double decline balance method 双倍余额递减法
The water drive and decline method is exploited by the rest of the development. A new method, applying air permeability, oil gravity on the ground, and effective porosity, and density of pay well, is supplied suit for the beginning development.
本文评价筛选出了不同开发阶段采收率预测的较好方法,开发前期和初期应用经验公式、综合评价法和类比法,开发中后期应用水驱法和递减法;提出了一种适合开发前期或初期的采收率预测新方法,新方法应用参数包括空气渗透率、地面原油粘度、有效孔隙度和生产井井网密度。
参考来源 - 效益规划模型研究及支持决策系统·2,447,543篇论文数据，部分数据来源于NoteExpress
Production decline method is an important technology to estimate the recoverable reserves of oil, gas and condensate reservoirs.
第二，产量递减是预测凝析气田可采储量的重要方法。
Finite element method is used in the study of nozzle damping of instable combustion in a solid rocket motor. Wave decline method is used in the experimental research.
应用有限单元法研究固体火箭发动机不稳定燃烧中的喷管阻尼，并用波衰减对比法进行了试验研究。
The characteristics of BP neural network and chaos optimal method are analyzed. By integrating chaos optimal method with gradient-decline method, an optimal method of combination search is created.
分析了BP神经网络和混沌优化的特点，并将混沌优化方法和梯度下降法结合起来构成一种新的组合搜索优化方法。
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