Indirect fracs, frac packs successfully stimulate Saudi unconsolidated gas formations

Saudi Arabian Oil Co. (Saudi Aramco) successfully applies various fracturing programs in its pre-Khuff sandstone formation ('Unayzah and Jauf reservoirs), including indirect fracs and frac packs to stimulate unconsolidated gas zones.The fracturing programs include:Direct, conventional fracturing in competent rocks.Indirect fracturing in a competent reservoir interval, which has an intermixing of consolidated and unconsolidated sandstones.Frac packs for highly unconsolidated intervals encountered throughout the reservoir.The primary purpose of all propped fracturing is the control of sand production with a secondary objective of production enhancement.The wells in these reservoirs are ...

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