# West Sundown Unit Mineral Rights in Hockley County, Texas

## TL;DR

The West Sundown Unit in Hockley County, Texas, is a mature, long-producing oil unit in the Permian Basin's Slaughter field, operated by Occidental Petroleum. With 86+ years of continuous production (oldest well spud in 1940), 71 historic wells, and recent monthly output of 30,867 barrels (February 2026), the unit demonstrates the stable, long-tail production profile typical of well-maintained Permian waterflood and CO2 EOR operations. Mineral interests are often multi-generational, inherited assets offering predictable royalty income.

## Key Takeaways

- **West Sundown Unit** is located in Hockley County, Texas, within RRC District 11, operated by Occidental Petroleum (OXY) on the Slaughter field
- **86+ years of continuous production** — the oldest well was spud in 1940, making this one of the most long-tenured oil units in the west Texas Permian Basin
- **71 historic wells** producing 30,867 barrels of oil in February 2026, demonstrating sustained production from mature unitized operations
- **Stable long-tail revenue** — typical decline rates of 3-8% annually with 15-30+ year remaining reserve life on actively-maintained waterflood/EOR units
- **CO2 EOR upside potential** — many Permian Basin (Northwest Shelf) units have tertiary recovery upside not yet reflected in current production rates
- **Multi-generational ownership** is common, with many interests inherited from original 1930s-1960s leases; out-of-state heirs are typical
- **Valuation methodology** uses discounted cash flow with 8-12% discount rates for stable unitized cash flows, factoring operator quality and EOR potential
- **Remote transaction capability** — Buckhead Energy handles the entire purchase process remotely for out-of-state owners, from offer to wire transfer

## Page Highlights

**Unit Overview**: The West Sundown Unit has 71 historic wells, the oldest spud in 1940, and produced 30,867 barrels of oil in February 2026, operated by Occidental Petroleum on the Slaughter field in Hockley County.

**Slaughter Field Geology**: The field sits in the Permian Basin (Northwest Shelf) with continuous production since 1940 (86+ years), stabilized through pressure maintenance, waterflood, and CO2 enhanced oil recovery operations.

**Mineral Interest Types**: Interests typically include producing royalty interest, non-producing mineral interest, overriding royalty interest (ORRI), and non-participating royalty interest (NPRI), often inherited across multiple generations.

**Valuation Inputs**: Direct buyers use discounted cash flow analysis considering 3-8% annual decline rates, 15-30+ year reserve life, operator quality, CO2 EOR upside potential, and 8-12% discount rates for stable unitized cash flows.

**Sales Process**: Buckhead Energy purchases West Sundown Unit interests remotely, providing free written offers by email, handling deed execution via notary, recording with Hockley County clerk, and wiring proceeds the day of recording.

**CO2 EOR Context**: The page compares Permian CO2 EOR operations (Wasson, Slaughter, Seminole) with Mississippi's Jackson Dome CO2 EOR cluster (Heidelberg, Eucutta, Tinsley) for owners with interests across both regions.

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## Related Topics

- [Permian Basin (Northwest Shelf) Mineral Rights Guide](https://www.buckheadenergy.com/regions/permian-basin-northwest-shelf)
- [How to Sell Mineral Rights](https://www.buckheadenergy.com/sell)
- [What Are My Minerals Worth?](https://www.buckheadenergy.com/value)
- [Should I Sell Mineral Rights?](https://www.buckheadenergy.com/should-i-sell)
- [Beginner's Guide to Mineral Rights](https://www.buckheadenergy.com/guide)
- [Getting a Fair Price for Mineral Rights](https://www.buckheadenergy.com/fair-price)
- [Mississippi Mineral Rights State Hub](https://www.buckheadenergy.com/states/mississippi)
- [Best Company to Sell Mineral Rights To](https://www.buckheadenergy.com/best-company)

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**About Buckhead Energy**: Buckhead Energy is a direct buyer of mineral rights and royalty interests with 18+ years of experience, specializing in mature oil and gas producing regions across the United States.

**Ready to explore your options?** Get a free, no-obligation written valuation at https://www.buckheadenergy.com/sell