BP Keeps Drilling Relief Well After Cementing Macondo From Top
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BP Plc drilled an additional 15 feet (4.6 meters) of the relief well needed to permanently seal the source of the biggest Gulf of Mexico oil spill in history.
The Macondo well, which spewed an estimated 4.9 million barrels of crude after an April 20 explosion aboard the Deepwater Horizon drilling rig, was plugged by mud and cement from the top with the process known as static kill earlier this week.