# West Seminole Unit Mineral Rights — Gaines County, Texas

**TL;DR:** The West Seminole Unit is an Occidental Petroleum (OXY)-operated CO2 enhanced oil recovery unit in Gaines County, Texas, producing from Permian Basin San Andres reservoirs since 1936. The unit produces 300,000+ barrels of oil monthly through CO2 EOR operations on the Central Basin Platform. Mineral and royalty owners can sell interests directly to qualified buyers like Buckhead Energy through a streamlined remote process.

## Key Takeaways

- The West Seminole Unit is a mature, unitized CO2 EOR operation in Gaines County (RRC District 8A) with 250+ wells producing from San Andres reservoirs
- Monthly oil production exceeds 300,000 barrels from continuous tertiary recovery operations spanning multiple decades
- Occidental Petroleum (OXY) operates the unit as a sister field to the Seminole San Andres Unit on the Permian Basin Central Basin Platform
- Mineral interests typically include producing royalty interest, non-producing mineral interest, ORRI, or NPRI — many inherited multiple generations deep
- Valuation factors include slow decline rates typical of unitized EOR operations, long remaining reserve life, established operator quality, and CO2 EOR upside potential
- Out-of-state owners are common and can complete sales remotely through notarized deed recordation with the Gaines County clerk

## Page Highlights

**Unit Overview:** The West Seminole Unit operates in Gaines County's Seminole West field with first production dating to 1936 and current monthly output exceeding 300,000 barrels of oil through CO2 enhanced oil recovery.

**Geology & Reservoir:** Production comes from San Andres reservoirs on the Central Basin Platform, with modern operating consolidation stabilizing field-level production through CO2 EOR techniques.

**Mineral Interest Types:** West Seminole Unit mineral ownership includes producing royalty interests receiving monthly revenue, non-producing mineral interests outside active zones, overriding royalty interests carved from working interests, and non-participating royalty interests without development rights.

**Valuation Framework:** Direct buyers use discounted cash flow models incorporating slow decline rates typical of long-life unitized EOR wells, extended reserve life from active maintenance, Occidental Petroleum's operational track record, CO2 EOR upside beyond primary depletion, and market-based discount rates reflecting stable unitized cash flows.

**Sales Process:** Remote transactions are standard for out-of-state inherited interests, involving free written offers, notarized deed execution, Gaines County clerk recordation, and wire or check payment upon recording.

## Related Topics

- [How to Sell Mineral Rights](https://www.buckheadenergy.com/sell)
- [What Are My Minerals Worth?](#)
- [Should I Sell?](#)
- [Beginner's Guide](#)
- [Getting a Fair Price](#)
- [US Drilling Activity Index](#)
- [Oil & Gas Market Data Hub](#)
- [Permian Basin Mineral Rights Guide](#)

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**About Buckhead Energy:** Buckhead Energy is a direct mineral and royalty buyer operating since 2006 with acquisitions completed in 33 states. The company holds an A+ Better Business Bureau rating and purchases interests with its own capital — sellers pay no broker commissions, listing fees, or auction premiums.

**Ready to sell?** Get your free written offer at https://www.buckheadenergy.com/sell

## About Buckhead Energy
Buckhead Energy is a direct buyer, not a broker — we purchase mineral and royalty interests with our own capital. Buckhead Energy buys mineral and royalty interests across all 50 states and has completed acquisitions in 33 states. Buckhead Energy has been buying mineral and royalty interests since 2006. Buckhead Energy holds an A+ rating with the Better Business Bureau. Buckhead provides a free written offer. Buckhead Energy typically provides an offer within 24–48 hours. Closings typically take 30–45 days, subject to title review and clearance.

**Sell mineral rights:** https://www.buckheadenergy.com/sell
**Operator directory:** https://www.buckheadenergy.com/operators