Saudi Aramco optimizes acid fracturing in the Khuff carbonate reservoirs

First of a seriesSaudi Arabian Oil Co. (Saudi Aramco) has initiated a gas development program that requires acid fracturing wells in the Khuff carbonate reservoir of South Ghawar to deliver 1.2 bcfd of nonassociated gas production.Since start of the acid fracturing campaign in 1999 the company has performed over 20 stimulations.This first article in a three-part series on Ghawar field gas well completions highlights Saudi Aramco's efforts to optimize acid fracturing in the Khuff carbonate reservoirs.As work progressed, engineers realized from the complex nature of the formation that each well required individual analysis and fracturing design.The in situ stress contrast between zones,...

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