National Fuel Gas NFG Marcellus Shale Fields — Extensions and Discoveries
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Where this comes from
Reported directly by National Fuel Gas in its filing.
Tagged under the XBRL concept srt:ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions.
The official record: National Fuel Gas’s 10-K, filed November 21, 2025, on SEC EDGAR. View the filing →
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Questions, answered.
- What is National Fuel Gas's marcellus shale fields — extensions and discoveries?
- National Fuel Gas (NFG) reported marcellus shale fields — extensions and discoveries of $0 in Q3 2025.
- How has National Fuel Gas's marcellus shale fields — extensions and discoveries changed year-over-year?
- National Fuel Gas's marcellus shale fields — extensions and discoveries decreased by 100.0% year-over-year, from $57.5K to $0.
- What is the long-term trend for National Fuel Gas's marcellus shale fields — extensions and discoveries?
- Over 4 years (2021 to 2025), National Fuel Gas's marcellus shale fields — extensions and discoveries has grown at a -100.0% compound annual growth rate (CAGR), from $180K to $0.
- What does marcellus shale fields — extensions and discoveries mean?
- This metric represents the volume of proved reserves added through the extension of existing reservoirs or the discovery of new productive zones within the Marcellus Shale region. It serves as a key indicator of exploration success and the company's ability to organically grow its resource base. High values suggest effective geological assessment and successful capital deployment in exploration activities.