钻井几乎是唯一的 开发手段，石油科技工作所研究的主要问题是井网密度(well spacing density)。约上世 纪20 年代前后，曾发表了不少关于井网密度对油层和油井产率等影响的文章和专著。
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reasonable well spacing density 合理井网密度
economic well spacing density 经济井网密度法
limit well spacing density 极限井网密度
proper well spacing density 合理井网密度
limited well spacing density 极限井网密度
economy rational well spacing density 经济合理井网密度
The relationship between the recovery factor and the well spacing density is vital to the development adjustment in oilfield.
油田(或区块)的采收率与井网密度关系式建立的正确与否,关系到整个油田开发调整的成败。
参考来源 - 建立采收率与井网密度关系的方法探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
The corresponding reasonable production and well spacing density to the three kinds of reservoir were calculated by using the method of economic limit evaluation and numerical simulation.
本文主要利用经济极限评价方法和数值模拟的方法确定出三类储层的合理产量以及井网密度。
This paper considers every factor affecting the well spacing density, uses net present value to improve the method for calculating economy rational well spacing density of matured oilfield.
本文提出经济采收率的概念 ，并以油田投入与经济极限井网密度关系及谢尔卡乔夫公式为基础 ，根据经济学投入产出均衡原理 ，建立了具有实际应用价值的经济采收率模型。
However, the pixel density of the film can be straightforwardly reduced by fabricating smaller array spacing and a smaller antenna size, as well as using a more tightly focusing lens for recording.
但是，薄膜的像素密度会由于通造更小的阵列间距和更小的晶须尺寸以及使用更精密的聚焦透镜等直接降低。
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