Long, horizontal gravel packs are viable completions that have been placed successfully in over 20 wells. Extensive field-scale testing has significantly aided the development of field procedures and operating guidelines. Software has also been developed to assist with horizontal gravel-pack design. To be performed properly, these completions require a systems approach for their implementation since drilling and displacing the completion interval, maintaining hole stability, selecting and running equipment, and maintaining returns during the gravel packing operation must be integrated into the completion strategy. Field experience suggests that, in some cases, gravel packs maintain productivity better than prepacked screens or slotted liners.

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