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Over Pressurized Piping Causes Line Failure


A coiled tubing crew was conducting pressure tests of the blowout preventer. Following a successful low-pressure test the line was bled down. This pressure was bled off without issue. At this time, a high-pressure test was conducted. When the valve was feathered open to bleed off the pressure, a loud bang was heard, and the piping parted. Several workers were in the vicinity of the flying debris, but nobody was injured.