Horseshoe-1: massive Alaska North Slope oil discovery
Repsol (ticker: REP) and privately held Denver based Armstrong Energy LLC announced today the discovery of a massive oil field in Alaska, with an estimated 1.2 billion barrels of oil recoverable. This is the largest U.S. onshore conventional hydrocarbons discovery in the last 30 years, Repsol said in a press release.

Drilled during the 2016-2017 winter campaign, the Horseshoe-1 discovery well encountered more than 150 feet of net pay in several reservoir zones in the Nanushuk section. A ...

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