Investigation of Riser Disconnect and Spill Green Canyon Block 652 OCS-G 21810, July 5, 2005, Gulf of Mexico, Off the Louisiana Coast.

摘要

On July 5, 2005, at approximately 1200 hours, an unplanned riser disconnect occurred on the Ensco (hereinafter referred to as Contractor or Ensco) semi-submersible drilling unit 7500 (hereinafter referred to as the Rig), resulting in the release of 710 barrels of synthetic-based mud. The incident occurred on Anadarko Petroleums (hereinafter referred to as Operator or Anadarko) Lease OCS-G 21810, Green Canyon Block 652, in the Gulf of Mexico (GOM), offshore the State of Louisiana. This is a report of the accident.