# Tanos Exploration IV, LLC Drilling Permits in Texas and Oklahoma

**TL;DR:** Tanos Exploration IV, LLC has filed 4 drilling permits across Texas counties (Harrison, Upshur, Panola) over the last 24 months, with the most recent permit dated April 28, 2026. All permits target the East Texas Basin, with lateral lengths ranging from 2,944 to 11,438 feet. Data is sourced from state regulator filings and refreshed monthly.

## Key Takeaways

- Tanos Exploration IV, LLC filed 4 oil and gas drilling permits in Texas between December 2025 and April 2026
- All four permits target wells in the East Texas Basin formation
- Harrison County, TX leads with 2 permits, followed by Upshur and Panola counties with 1 permit each
- Lateral lengths vary significantly, from 2,944 feet (Whelan OU 5 H 1UU) to 11,438 feet (Hemby-Brown HA 1H)
- The most recent permit was filed on April 28, 2026 for the Whelan OU 5 H 1UU well in Harrison County
- Permits represent forward-looking drilling activity and indicate where the operator is deploying capital
- Mineral owners near these permitted locations may see new production activity in the near future
- Data is sourced from Texas Railroad Commission and Oklahoma Corporation Commission filings

## Page Highlights

**Recent Drilling Activity Overview**: The page tracks 4 drilling permits filed by Tanos Exploration IV, LLC over a 24-month lookback period, with data current as of June 1, 2026 and refreshed monthly from state regulator sources.

**Geographic Concentration**: Drilling activity is focused exclusively in East Texas, with Harrison County leading at 2 permits, and Upshur and Panola counties each having 1 permit.

**Formation Focus**: All four permits target the East Texas Basin play, indicating a concentrated operational strategy in this geological formation.

**Well Details**: The permits include the Whelan OU 5 H 1UU (2,944 ft lateral), Tuel-Bogel GU 2 1H (8,466 ft), Bergson-Nesbitt HA 1H (9,738 ft), and Hemby-Brown HA 1H (11,438 ft), showing a range of horizontal well designs.

**Implications for Mineral Owners**: The page emphasizes that permits near mineral owner properties may signal upcoming production activity, making it a relevant time for owners to evaluate holding for royalties or considering a sale.

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## Related Topics

- [Tanos Exploration IV, LLC Profile](https://www.buckheadenergy.com/operators/tanos-exploration-iv-llc)
- [Full Operator Directory](https://www.buckheadenergy.com/operators)
- [Sell Your Mineral Rights](https://www.buckheadenergy.com/sell)
- [Mineral Rights Glossary](https://www.buckheadenergy.com/glossary)

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