Horizontal wells find varied applications in Saudi fields

M.S. Al-Blehed, G.M. Hamada, M.N.J. Al-Awad, M.A. Al-SaddiqueKing Saud University, RiyadhHorizontal-well applications in Saudi Arabia have many objectives, such as controlling oil and gas coning in relatively thin remaining oil columns, improving waterflood sweep efficiency, improving productivity rates from thin and tight reservoirs, and saving development costs.At yearend 1999, about 200 horizontal wells had been drilled in Saudi oil fields.Horizontal wellsHorizontal wells are recognized as one of the most important technical advances in the oil and gas industry in the last 20 years.At first, the industry considered this technology to be an exotic way of drilling, and reservoir and prod...

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