Benefits ? Reduced nonproductive time (NPT) and operation risk ? Minimized impact to perforation and formation ? Kept the metal shaving and other solids from suspending in the wellbore and reaching the surface equipment ? Minimized delayed production Well background and challenges ? Gulf of Mexico, August 2005 ? Deepwater well ? 7-in., 35-lb/ft casing at 22,439 ft, sump packer set at 22,098 ft ? 45° well angle ? CaBr 2 13.4

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