Well and fracture spacing are two subsurface challenges that have the largest impact on net present value in large-scale field development of unconventional Wells.
井间距和裂缝间距是地下所面临的两大挑战，对大规模非常规井油田开发的净现值影响最大。
Characterization technique of microstructure is discussed based on the microstructure study of the dense well spacing area and under-exploited area with wide-spaced Wells.
通过对八面河油田井网密集区及井网稀疏的欠开发区的微构造研究，探讨了微构造表征技术。
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