Unocal discovers oil on Tobago prospect in deepwater Gulf of Mexico

May 5, 2004
Unocal Corp. said Wednesday that its Tobago prospect exploratory well discovered oil on Alaminos Canyon Block 859 in the deepwater Gulf of Mexico.

By OGJ editors
HOUSTON, May 5 -- Unocal Corp. said Wednesday that its Tobago prospect exploratory well discovered oil on Alaminos Canyon Block 859 in the deepwater Gulf of Mexico.

The well, drilled to 18,510 ft, found 50 ft of net pay in high quality sandstone. A sidetrack drilled to 18,425 ft further delineated the well. Together, the well and sidetrack cost $25 million.

The Tobago well, which was temporarily plugged, confirmed that Tobago could be part of a future Alaminos Canyon area development, said Unocal, which operates Tobago with 40.01% interest. Partners are Shell Oil Co. 30%, ChevronTexaco Corp. 16.66%, and Nexen Inc., Calgary,13.33%.