GEO ExPro

Recent Hydrocarbon Discoveries in the Gulf of Mexico

Exploration update on the United States as Chevron and Shell hit two major discoveries.
This article appeared in Vol. 15, No. 1 - 2018

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Discovery for Chevron in the Mississippi Canyon & Shell in Alaminos Canyon

Location of Chevron's Ballymore discovery well & Shell's Whale 1 NFW discovery well. Image source: Drillinginfo. Chevron’s G34451 1 (Ballymore) well in the deepwater (1,988m) Mississippi Canyon 607 block in the Gulf of Mexico encountered 205m of net oil pay, in a high quality Norphlet reservoir. The well, about 5 km from Chevron’s Blind Faith platform and 80 km from the Louisiana coast, spudded in July 2017 and reached a final TD of 8,898m. A sidetrack well is currently being drilled to further assess the discovery and begin to define development options. Equity in MC 607 is shared between Chevron USA (60%) and Total (40%).

Another Gulf of Mexico success story came at the end of January 2018, when Shell reported that it had encountered over 427m net oil-bearing pay in its Whale 1 NFW in Alaminos Canyon Block AC 772, near the ultra-deep Perdido spar, about 322 km off south-east Texas. The discovery lies up-dip of the Tobago and Silvertip fields. Block 772 is shared between operator Shell Offshore (60%) and Chevron USA (40%). 

Did You Know?

The Perdido Field complex is one of the deepest and most remote developments in the world, spurring a string of similar discoveries in recent years to the south in Mexican waters.

This update is brought to you by Drillinginfo.

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