Open Daily: 10am - 10pm | Alley door pickup 10am - 7pm 3038 Hennepin Ave Minneapolis, MN
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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Investigation of Riser Disconnect and Spill Green Canyon Block 652 OCS-F 21810

Investigation of Riser Disconnect and Spill Green Canyon Block 652 OCS-F 21810

U. S. Department of the Interior

Paperback

General Reference

ISBN10: 1503327884
ISBN13: 9781503327887
Publisher: Createspace
Published: Jan 3 2015
Pages: 36
Weight: 0.24
Height: 0.07 Width: 8.50 Depth: 11.02
Language: English
On July 5, 2005, an unplanned riser disconnect was initiated on the Ensco 7500 semi-submersible rig, which had been engaged in exploratory drilling activities, because of unfavorable sea and wind conditions associated with an approaching tropical depression. While the riser volume was being displaced with seawater in preparation for the disconnect operation, the rig was no longer able to maintain station adequately enough to complete the operation. As a result, the riser was disconnected from the Lower Marine Riser Package (LMRP), at which time 710 barrels of synthetic-based mud was released from the riser into the GOM. At the time of the disconnect, there were no open hole hydrocarbons exposed below the casing depth.

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