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AbstractSelective gravel pack completions of multiple zones present the oil industry with major challenges and expenses. Current practices have two key problems associated with them: (1) they are limited to zones separated by 30 to 50 feet (depending on the treatment type) due to the length of the assemblies (2) they have proven to have a higher risk of installation failure. This paper describes equipment and procedures for gravel packing multiple zones in a single completion with total zonal isolation for spacing as small as 5 feet. Zones can be produced either separately or co-mingled. Risk of execution failure is significantly lower than with conventional stacked packs. Production data is presented which verifies complete zonal isolation, improved productivity, and reduced costs from this technique.
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