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Shell, INEOS Strike Oil at Nashville Well

Shell and INEOS Energy confirmed high-quality oil at the Nashville exploration well in the deepwater Norphlet play, with further work under way to assess a potential Appomattox tie-back.
Photo source: INEOS Energy)

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Shell and INEOS Energy confirmed an oil discovery at the Nashville exploration well in the U.S. Gulf, after the well encountered hydrocarbons in the deepwater Norphlet formation.

The companies said the well was drilled more than five miles beneath the seabed and identified high-quality oil in a play they view as among the Gulf’s most promising deepwater targets. Shell operates Nashville with a 79% working interest, while INEOS Energy holds 21%.

The discovery is being assessed for a possible tie-back to the nearby Appomattox platform, subject to technical and commercial review. INEOS Energy added that the well was drilled using Deepwater Proteus, and further work is underway to determine the size and commercial potential of the find.

Editorial Note:
This article was prepared with the assistance of AI tools to enhance clarity and efficiency.
All information has been reviewed and verified by the HMT News editor.
Jackdaw's four-well platform connects to Shearwater through a subsea pipeline. Its jacket, topsides and pipeline are installed, and drilling was completed in early 2026, according to Adura.
Transocean reports about $1.1 billion in firm backlog additions as Equinor approves a three-rig agreement and Shell awards Transocean Norge two wells, with an estimated drilling duration of 120 days.
Shell has agreed to acquire 30% of Bay du Nord offshore Canada. Equinor will retain 70% and remain operator as the CAD 14 billion development moves towards an investment decision targeted for early 2027.

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