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Sealing cap installation update

Release date:
11 July 2010

Following approval from the National Incident Commander, BP began replacing the existing lower marine riser package (LMRP) containment cap over the Deepwater Horizon's failed blow-out preventer with a new sealing cap assembly.


Installation of the sealing cap is proceeding as planned. The Discoverer Enterprise removed the LMRP cap at approximately 12:40 PM CDT on Saturday, July 10. The Discoverer Enterprise then moved off station. Following the removal of the cap, a subsea dispersant wand was inserted into the riser. Two plugs and all six flange bolts were then removed. The Discoverer Inspiration is now moving on station.


The Q4000 containment system continues to capture oil and gas from the MC252 well and flare the hydrocarbons safely at the surface. Once it becomes operational, the Helix Producer containment system will begin capturing additional oil and gas.


Technical briefings

BP will host two technical briefings today, July 11, to provide updates on its subsea containment efforts. The briefings will be held at 7:30 AM CDT and 2:30 PM CDT. The dial-in details for these briefings are as follows:

  • US/Canada Dial-In Number: (877) 341-5824
  • International/Local Dial-In Number: (706) 758-0885

Password for morning briefings: AM Technical Briefing

Password for afternoon briefings: PM Technical Briefing

Further information




BP Press Office, London, +44 (0) 20 7496 4076, bppress@bp.com


BP Press Office, Houston, +1 281 366 4463, uspress@bp.com