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压裂改造技术是油气井增产、水井增注的一项重要技术措施,随着压裂技术的发展,从单井的增产增注逐渐发展到整个油藏的总体压裂优化设计。目前整体压裂优化设计计算大多采用数值模拟的方法,该方法适应性强但计算方法复杂。本文提出一种简单的优化设计计算方法:利用水电相似原理,建立等效渗流阻力优化计算模型。该方法计算简单适用,能够分析井网及压裂参数对压裂生产井产能的影响。
Fracturing technology is an important technical measure to increase production of oil and gas wells and increase injection of wells. With the development of fracturing technology, the overall fracturing optimization design of the entire reservoir has been progressively developed from single-well stimulation of single well production. At present, most of the overall fracturing optimization design calculation using numerical simulation method, the method is adaptable but the calculation method is complex. This paper presents a simple calculation method for optimization design: Based on the principle of hydropower similarity, an equivalent computational model of seepage resistance optimization is established. The method is simple and suitable for calculation and can analyze the influence of well pattern and fracturing parameters on the productivity of fracturing production wells.