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。
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Accordingly, a field observation scheme for rainfall, stream flow and subsurface flow is implemented.