The generalized large well method is not applicable when the influence radius doesn't exit and the complicated hydrogeological condition is not fit to the condition of Dupuit well-flow formula.
但是当水文地质条件复杂，不能引用影响半径时，就不符合裘布依井流公式的适用条件，也就不能再用大井法计算排水量；
With equivalent flow resistance method and on the base of the productivity formulae of a horizontal well, a new productivity formula of a fishbone well was derived in the paper.
根据等值渗流阻力方法和水平井产能计算公式推导了鱼骨型水平井产能计算公式。
The Character of the system, the calculative formula of the frequences as well as flow chart of program have been presented in this paper.
文中介绍了系统的特点，列举了串联谐振中各频率特性的计算公式及程序框图。
The paper takes the correlated non-steady-flow inrush water calculation formula as the basic formula, and has the well field regulating calculation in the form of tables.
将地下水非稳定流涌水量计算解析式作为基本公式，列表进行水源地调节计算。
The formula of steady well flow could be used in unsteady flow The possibilities to expand the usage of steady flow theory and its formulas were studied.
探讨了行之有效的稳定流理论及相应公式扩大其使用范围的可能性。
In chapter three, horizontal well non-darcy steady flow productivity formula for two different reservoir 'conditions were derived.
第三章中推导了两种不同储层条件下的水平井非达西稳态渗流方程。
In chapter three, horizontal well non-darcy steady flow productivity formula for two different reservoir 'conditions were derived.
第三章中推导了两种不同储层条件下的水平井非达西稳态渗流方程。
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