Abstract:Horizontal well is an important technology to enhance oil recovery for both old oilfield and new oilfield. Horizontal well have four characteristics: large drainable area; small producing pressure drop; high fluid productivity index and long water free production period (Joshi S. D. 1991) compared with vertical well. The contact pattern between horizontal section and the layer is line contact, and the pressure drop around the horizontal section is a linear distribution. The pressure drop near the bottom of the… Show more
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