BRIEF-Exxon Mobil says second well offshore Guyana confirms oil discovery
June 30 (Reuters) - Exxon Mobil Corp
* Exxon Mobil says second well offshore Guyana confirms significant oil discovery
* Potential recoverable resource of 800 million to 1.4 billion oil-equivalent barrels
* Well is second on 6.6-million acre Stabroek block and drilled to 17,963 feet
* Esso Exploration and production Guyana Limited is operator and holds 45 percent interest in Stabroek block Source text for Eikon: Further company coverage: (Bengaluru Newsroom: +1 646 223 8780)
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